Harbor Freight 62323 Chipper Shredder Owner’s Manual

Harbor Freight 62323 Chipper Shredder

Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.212 CC
CHIPPER SHREDDER

Danger

• Using an engine indoors
• CAN KILL YOU IN MINUTES.
• Engine exhaust contains carbon monoxide. This is a poison you cannot see or smell.

NEVER use inside a home or garage, EVEN IF doors and windows are open.

Only use OUTSIDE and far away from windows, doors, and vents.

• Visit our website at : http://www.harborfreight.com
• Email our technical support at : productsupport@harborfreight.com
• Email our engine support at: predator@harborfreight.com

When unpacking, make sure that the product is intact and undamaged. If any parts are missing or broken, please call 1-888-866-5797 as soon as possible.
Copyright© 2023 by Harbor Freight Tools®. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.

Warning
Read this material before using this product. Failure to do so can result in serious injury. SAVE THIS MANUAL.

Specifications

Chipper/Shredder Specifications

Engine Specifications

NHSP® / Torch® F6TC

Gap| 0.027″ – 0.031″
Valve Clearance| Intake| 0.004″ – 0.006″
Exhaust| 0.006″ – 0.008″
Speed| Idle| 1740 ± 50 RPM

The emissions control system for this Engine is warranted for standards set by the U.S. Environmental Protection Agency. For warranty information, refer to the last pages of this manual.

For technical questions, please call 1-888-866-5797.

Warning Symbols and Definitions

| This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
| Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
| Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
| Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
| Addresses practices not related to personal injury.

Symbol Definitions

| | | | |
---|---|---|---|---|---
Symbol| property or Statement| | Symbol| property or Statement|
rpM| Revolutions Per Minute| **| WARNING marking concerning|
Risk of Respiratory Injury.|
Operate engine OUTSIDE and far away|
Hp| Horsepower|
from windows, doors, and vents.|
**| WARNING marking concerning Risk of Fire while handling fuel. Do not smoke while handling fuel.|
| WARNING marking concerning
Risk of Eye Injury. Wear ANSI-approved safety goggles with side shields.|
| WARNING marking concerning|
| |
Read the manual before set-up and/or use.| Risk of Fire.
Do not refuel while operating. Keep flammable objects away from engine.|
| |
WARNING marking concerning| |
|
Risk of Hearing Loss.|
Wear hearing protection.|

IMPORTANT SAFETY INSTRUCTIONS

WARNING! Read all instructions.
Failure to follow all instructions listed below may result in fire, serious injury and/or DEATH. The warnings and precautions discussed in this manual cannot cover all possible conditions and situations that may occur. It must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator.
SAVE THESE INSTRUCTIONS

Set up Precautions

1. Gasoline fuel and fumes are flammable, and potentially explosive. Use proper fuel storage and handling procedures. Do not store fuel or other flammable materials nearby.
2. Have multiple ABC class fire extinguishers nearby.
3. Operation of this equipment may create sparks that can start fires around dry vegetation. A spark arrestor may be required. The operator should contact local fire agencies for laws or regulations relating to fire prevention requirements.
4. Set up and use only on a flat, level, well-ventilated surface.
5. Wear ANSI-approved safety goggles, heavy-duty work gloves, and dust mask/respirator during set up.
6. Use only lubricants and fuel recommended in the Specifications chart of this manual.

Operating Precautions

1.  CARBON MONOXIDE HAZARD Using an engine indoors CAN KILL YOU IN MINUTES. Engine exhaust contains carbon monoxide. This is a poison you cannot see or smell. NEVER use inside a home or garage, EVEN IF doors and windows are open. Only use OUTSIDE and far away from windows, doors, and vents.
2. Keep children away from the equipment, especially while it is operating.
3. Locate the Chipper/Shredder on a flat, level, sturdy surface capable of supporting the weight of the Chipper/Shredder and any additional tools and equipment.
4. Be extremely cautious of the rotating Blades in the Chipper/Shredder. Never allow your hands, fingers, or any other part of your body to enter the Chipper Chute or Hopper.
5. Never place your hands, fingers, feet, or any other part of your body close to the Discharge Opening while the Chipper/Shredder is in operation.
6. Do not look into the Hopper, Chipper Chute or Discharge Opening when the machine is running.
7. Do not allow metal, stone, glass, or other foreign objects to be fed into the Chipper/Shredder. Use a stick to push the tree limbs, leaves, etc. into the feed Hopper.
8. Do not attempt to use the machine on a slope or slick surface.
9. Feed material slowly into the machine.
10. Branches larger than 3″ diameter should not be fed into the Chipper Chute and branches larger than 1/2″ diameter should not be fed into the Hopper.
11. Do not allow Discharge Bag to overfill with processed material. This may prevent proper discharge and can result in kickback of material through the feed Hopper
12. If the machine becomes clogged, immediately turn the Engine off. Wait until the Chipper/Shredder comes to a complete stop. Unplug the Spark Plug Wire from the Spark Plug. Then clear the machine of the clogged material.
13. Keep all spectators at least six feet from the Engine during operation
14. Fire Hazard! Do not fill fuel tank while engine is running. Do not operate if gasoline has been spilled. Clean spilled gasoline before starting engine. Do not operate near pilot light or open flame.
15. Do not touch engine during use. Let engine cool down after use
16. Never store fuel or other flammable materials near the engine.
17. Only use a suitable means of transport and lifting devices with sufficient weight bearing capacity when transporting the equipment.
18. Secure the equipment on transport vehicles to prevent it from rolling, slipping, and tilting.
19. Industrial applications must follow OSHA requirements.
20. Do not leave the equipment unattended when it is running. Turn off the equipment (and remove safety keys, if available) before leaving the work area.
21. The equipment can produce high noise levels. Prolonged exposure to noise levels above 85 dBA is hazardous to hearing. Wear ear protection when operating the equipment or when working nearby while it is operating.
22. Wear ANSI-approved safety glasses and hearing protection during use.
23. People with pacemakers should consult their physician(s) before use. Electromagnetic fields in close proximity to a heart pacemaker could cause pacemaker interference or pacemaker failure. Caution is necessary when near the engine’s magneto or recoil starter.
24. Use only accessories that are recommended by Harbor Freight Tools for your model. Accessories that may be suitable for one piece of equipment may become hazardous when used on another piece of equipment.
25. Do not operate in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Gasoline-powered engines may ignite the dust or fumes.
26. Stay alert, watch what you are doing and use common sense when operating this piece of equipment. Do not use while tired or under the influence of drugs, alcohol or medication.
27. Do not overreach. Keep proper footing and balance at all times. This enables better control of the equipment in unexpected situations.
28. Use this equipment with both hands only. Using equipment with only one hand can easily result in loss of control.
29. Dress properly. Do not wear loose clothing or jewelry. Keep hair, clothing and gloves away from moving parts. Loose clothes, jewelry or  hair can be caught in moving parts.
30. Parts, especially exhaust system components, get very hot during use. Stay clear of hot parts.
31. Do not cover the equipment during operation.
32. Keep the equipment, engine, and surrounding area clean at all times.
33. Do not smoke, or allow sparks, flames, or other sources of ignition around the equipment, especially when refueling.
34. Use the equipment, accessories, etc., in accordance with these instructions and in the manner intended for the particular type of equipment, taking into account the working conditions and the work to be performed. Use of the equipment for operations different from those intended could result in a hazardous situation.
35. Do not operate the equipment with known leaks in the engine’s fuel system.
36. When spills of fuel or oil occur, they must be cleaned up immediately. Dispose of fluids and cleaning materials as per any local, state, or federal codes and regulations. Store oil rags in a bottom-ventilated, covered, metal container.
37. Keep hands and feet away from moving parts. Do not reach over or across equipment while operating.
38. Before use, check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the equipment’s operation. If damaged, have the equipment serviced before using. Many accidents are caused by poorly maintained equipment.
39. Use the correct equipment for the application. Do not modify the equipment and do not use the equipment for a purpose for which it is not intended.

Service Precautions

1. Before service, maintenance, or cleaning:
2. Turn the engine switch to its “OFF” position.
3. Allow the engine to completely cool.
4. Then, remove the spark plug cap from the spark plug.
5. Keep all safety guards in place and in proper working order. Safety guards include muffler, air cleaner, mechanical guards, and heat shields, among other guards.
6. Do not alter or adjust any part of the equipment or its engine that is sealed by the manufacturer or distributor. Only a qualified service technician may adjust parts that may increase or decrease governed engine speed.
7. Wear ANSI-approved safety goggles, heavy-duty work gloves, and dust mask/respirator during service.
8. Maintain labels and nameplates on the equipment. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replacement.
9. Have the equipment serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the equipment is maintained. Do not attempt any service or maintenance procedures not explained in this manual or any procedures that you are uncertain about your ability to perform safely or correctly.
10. Store equipment out of the reach of children.
11. Follow scheduled engine and equipment maintenance.

Refueling

1. Do not refill the fuel tank while the engine is running or hot.
2. Do not smoke, or allow sparks, flames, or other sources of ignition around the equipment, especially when refuelling.
3. Do not fill fuel tank to the top. Leave a little room for the fuel to expand as needed. TO PREVENT FUEL LEAKAGE AND FIRE HAZARD, do not fill fuel above the bottom of fuel strainer.
4. Refuel in a well-ventilated area only.
5. Wipe up any spilled fuel and allow excess to evaporate before starting engine.

To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

SAVE THESE INSTRUCTIONS.

Set Up

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.

TO PREVENT SERIOUS INJURY: Operate only with proper spark arrestor installed.

• Operation of this equipment may create sparks that can start fires around dry vegetation.

• A spark arrestor may be required. The operator should contact local fire agencies for laws or regulations relating to fire prevention requirements.

• TO PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING: Turn the Power Switch
  of the equipment to its “OFF” position, wait for the engine to cool, and unplug the spark plug wire(s) before assembling or making any adjustments to the equipment.

• At high altitudes, the engine’s carburetor, governor (if so equipped), and any other parts that control the fuel-air ratio will need to be adjusted by a qualified mechanic to allow efficient high-altitude use and to prevent damage to the engine and any other devices used with this product.
  Note : For additional information regarding the parts listed in the following pages, refer to the Assembly Diagrams near the end of this manual.

Assembly

1. Slide a Wheel (17) and Flat Washer (19) onto each end of the Axle Assembly (16) at the lower rear of the unit.
2. Insert a Cotter Pin (18) through each end of the axle and bend the Cotter Pin over to secure the Wheels in place.
3. Secure the Support Leg (46) to the Engine using Bolts (45), Shock Absorbers (53), Large Flat Washers (54), Flat Washers (15) and Lock Nuts (33).
4. Position the Chipper Chute over the three threaded studs protruding from the Engine Plate, and attach using three Flat Washers and Lock Nuts (15, 33).
5. Install Hopper (4) and Hopper Gasket (56) with Flange Nut (58). Install Locking Bar (27) to Hopper Gasket (56) with Bolts (6). Refer to Figure B.
6. Install Batten (2) and Hopper Flap (3) to Hopper with four Flange Bolts (1). Refer to Figure C.
7. Attach Handle (7) to Hopper with four Lock Nuts (5) and four Bolts (6). Bolt should go through the Hopper.
8. To attach the Discharge Bag (55), lift the Discharge Port Cover (22) and attach the Bag onto the discharge port using the rope tie.

Components and Controls

High Altitude Operation Above 3000 feet

• WARNING! TO PREVENT SERIOUS INJURY FROM FIRE:
• Follow instructions in a well-ventilated area away from ignition sources.
• If the engine is hot from use, shut the engine off and wait for it to cool before proceeding. Do not smoke.

NOTICE : Warranty void if necessary adjustments are not made for high altitude use.
At high altitudes, the engine’s carburetor, governor (if so equipped), and any other parts that control the fuel-air ratio will need to be adjusted by a qualified mechanic to allow efficient high-altitude use and to prevent damage to the engine and any other devices used with this product. The fuel system on this engine may be influenced by operation at higher altitudes. Proper operation can be ensured by installing an altitude kit at altitudes higher than 3000 ft. above sea level. At elevations above 8000 ft, the engine may experience decreased performance, even with the proper main jet. Operating this engine without the proper altitude kit installed may increase the engine’s emissions and decrease fuel economy and performance. The kit should be installed by a qualified mechanic.

1. Turn off the engine.

2. Close the fuel valve.

3. Place a bowl under the fuel cup to catch any spilled fuel.
   CAUTION! Carburetor bowl may have gas in it which will leak upon removing the bolt.

4. Unthread the bolt holding the fuel cup.

5. Remove the bolt, Bolt Seal, fuel cup, Fuel Cup Seal and Main Jet from the body of the carburetor assembly. A carburetor screwdriver (not included) is needed to remove and install the Main Jet.
   Note : The mixing tube is held in place by the Main Jet and might fall out when it is removed. If it falls out, replace it in the same orientation before replacing the Main Jet.

6. Replace the Main Jet with the replacement Main Jet needed for your altitude range (part 1a or 2a).
   Note : The Fuel Cup Seal and Bolt Seal may be damaged during removal and should be replaced with the new ones from the kit.

7. Replace the Fuel Cup Seal (4a), fuel cup, Bolt Seal (3a), and bolt. Tighten in place.
   NOTICE : Do not cross thread bolt when tightening. Finger tighten first and then use a wrench to make sure the bolt is properly threaded.

8. Wipe up any spilled fuel and allow excess to evaporate before starting engine. To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

High Altitude Kit Parts List – A

Operation

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.

Pre-Start Checks
Inspect engine and equipment looking for damaged, loose, and missing parts before set up and starting. If any problems are found, do not use equipment until fixed properly.
Checking and Filling Engine Oil.
NOTICE : Your Warranty is VOID if the engine’s crankcase is not properly filled with oil before each use. Before each use, check the oil level. Engine will not start with low or no engine oil.

1. Make sure the engine is stopped and is level.
2. Close the Fuel Valve.
3. Clean the top of the Dipstick and the area around it. Remove the Dipstick by turning it counterclockwise, and wipe it off with a clean, lint free rag. Reinsert the Dipstick without threading it in and remove it to check the oil level. The oil level should be up to the full level as shown above.
4. If the oil level is at or below the low mark add the appropriate type of oil until the oil level is at the proper level. SAE 10W-30 oil is recommended for general use. (The SAE Viscosity Grade chart on page 15 in the Maintenance section shows other viscosities to use in different average temperatures.)
5. Thread the dipstick back in clockwise.

NOTICE : Do not run the engine with too little oil. Engine will shut off if engine oil level is too low.

Checking and Filling Fuel

WARNING! TO PREVENT SERIOUS INJURY FROM FIRE:
Fill the fuel tank in a well-ventilated area away from ignition sources. If the engine is hot from use, shut the engine off and wait for it to cool before adding fuel. Do not smoke.

1. Clean the Fuel Cap and the area around it.

2. Unscrew and remove the Fuel Cap.

3. Remove the Strainer and remove any dirt and debris. Then replace the Strainer.
   Note : Do not use gasoline containing more than 10% ethanol (E10). Do not use E85 ethanol. Add fuel stabilizer to the gasoline or the Warranty is VOID.
   Note : Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container. It can cause particles to enter the carburetor, affecting engine performance and/or causing damage.

4. If needed, fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline that has been treated with a fuel stabilizer additive. Follow fuel stabilizer manufacturer’s recommendations for use.

5. Then replace the Fuel Cap.

6. Wipe up any spilled fuel and allow excess to evaporate before starting engine.
   To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

Before Starting the Engine

Before starting the engine

• Inspect the equipment and engine.
• Fill the engine with the proper amount and type of both stabilizer-treated unleaded gasoline and oil.
• Clean debris from discharge area — engine will not start if discharge area is jammed.
• Engage the Wheel Locks on both wheels to prevent Chipper/Shredder movement during use.

Manual Start

1. To start a cold engine, move the Choke to the START position. To restart a warm engine, leave the Choke in the RUN position.

2. Open the Fuel Valve.

3. Slide the Throttle or Speed Control Lever to 1/3 away from the SLOW position (the “turtle”).
   Note : Some tools have a Speed Control Lever located elsewhere on the tool which functions the same as the Throttle. Use the Speed Control Lever in place of the Throttle when the tool is so equipped.

4. 5. 4. Turn the Engine Switch on.
      Note : If engine does not start, check engine oil level. Engine will not start with low or no engine oil
      Note : If engine does not start, check engine oil level. Engine will not start with low or no engine oil. it slowly several times to allow the gasoline to flow into the Engine’s carburetor. Then pull the Starter Handle gently until resistance is felt. Allow Cable to retract fully and then pull it quickly. Repeat until the engine starts.
      Note : Do not let the Startera Handle snap back against the engine. Hold it as it recoils so it doesn’t hit the engine.

5. Allow the Engine to run for several seconds. Then, if the Choke lever is in the START position, move the Choke Lever very slowly to its RUN position. Note : Moving the Choke Lever too fast could stall the engine.
   IMPORTANT : Allow the engine to run at no load for five minutes after each start-up so that the engine can stabilize.

6. Adjust the Throttle as needed. Break-in Period:

   • Breaking-in the engine will help to ensure proper equipment and engine operation.
   • The operational break-in period will last about 3 hours of use. During this period:
   • Do not apply a heavy load to the equipment.
   • Do not operate the engine at its maximum speed.
   • The maintenance break-in period will last about 20 hours of use.
   • Change the engine oil after this period.

Under normal operating conditions subsequent maintenance follows the schedule explained in the MAINTENANCE section.

Chipping and Shredding

Warning

• TO PREVENT SERIOUS INJURY: Do not force the Chipper/Shredder. Branches cannot be thicker than 1/2″ for Hopper and branches cannot be thicker than 3″ for Chipper Chute.
• Do not force branches into machine. The Chipper/Shredder is designed to draw material at the proper rate.
• Never use your hands to feed material directly into the Shredder. If needed, use a stick to push the material into the Shredder.

1. Without putting your hands into Shredder (on top), slowly drop material into the Hopper (one branch at a time). The machine will pull the material in automatically.
2. The Chipper Chute is located on the side of the unit; only feed one branch in at a time, larger end first.
3. Material discharges from the discharge port at high speed. Make sure the Discharge Bag is properly attached before use. Do not operate the Chipper/Shredder without the Discharge Bag in place.
4. Do not allow Discharge Bag to overfill with processed material. This may prevent proper discharge and can result in kickback of material. Empty bag periodically as needed.

Note : Should Chipper/Shredder jam during use, immediately turn off the Engine. Wait until the machine completely stops. Disconnect the Spark Plug. Clear the jam in the machine by shifting the material with a long stick. Then, resume operation.

Stopping the Engine

1. To stop the engine in an emergency, turn the Engine Switch off.
2. Under normal conditions, cause the following procedure
   • Slide the Throttle or Speed Control Lever to SLOW (the “turtle”).
   • Turn the Engine Switch off.
   • Close the Fuel Valve.

Cleaning and Storing

1. After every use and before storing, clean debris out of machine:
   • Remove spark plug cap from spark plug.
   • Allow engine to cool completely.
   • Remove the Socket Head Cap Screw (34) and Washers (15) holding the Hopper/Rotor Housing assembly in place. Refer to Figure E.
   • Clear all debris out of the Main Housing and discharge port.
   • Replace the Hopper/Rotor Housing assembly and secure in place using the Washers and Lock Nuts.
2. Store the Chipper/Shredder in a dry indoor location that does not allow access by children.

NOTICE
See Long-Term Storage on page 17 for complete storage instructions.

Maintenance

Warning

• TO PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING
• Turn the Power Switch of the equipment to its “OFF” position, wait for the engine to cool, and disconnect the spark plug cap before performing any inspection, maintenance, or cleaning procedures.
• TO PREVENT SERIOUS INJURY FROM EQUIPMENT FAILURE
• Do not use damaged equipment. If abnormal noise, vibration, or excess smoking occurs, have the problem corrected before further use.
• Follow all service instructions in this manual. The engine may fail critically if not serviced properly.
• Many maintenance procedures, including any not detailed in this manual, will need to be performed by a qualified technician for safety. If you have any doubts about your ability to safely service the equipment or engine, have a qualified technician service the equipment instead.

Cleaning, Maintenance, and Lubrication Schedule

Note : This maintenance schedule is intended solely as a general guide. If performance decreases or if equipment operates unusually, check systems immediately. The maintenance needs of each piece of equipment will differ depending on factors such as duty cycle, temperature, air quality, fuel quality, and other factors.
Note : The following procedures are in addition to the regular checks and maintenance
explained as part of the regular operation of the engine and equipment.

Service more frequently when used in dusty areas.
These items should be serviced by a qualified technician.

Checking and Filling Fuel

WARNING! TO PREVENT SERIOUS INJURY FROM FIRE:
Fill the fuel tank in a well-ventilated area away from ignition sources. If the engine is hot from use, shut the engine off and wait for it to cool before adding fuel. Do not smoke.

1. Clean the Fuel Cap and the area around it.

2. Unscrew and remove the Fuel Cap.

3. Remove the Strainer and remove any dirt and debris. Then replace the Strainer.
   Note : Do not use gasoline containing more than 10% ethanol (E10). Do not use E85 ethanol. Add fuel stabilizer to the gasoline or the Warranty is VOID.
   Note : Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container. It can cause particles to enter the carburetor, affecting engine performance and/or causing damage.

4. If needed, fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline that has been treated with a fuel stabilizer additive. Follow fuel stabilizer manufacturer’s recommendations for use.

5. Then replace the Fuel Cap.

6. Wipe up any spilled fuel and allow excess to evaporate before starting engine.
   To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

Engine Oil Change

CAUTION! Oil is very hot during operation and can cause burns. Wait for engine to cool before changing oil.

1. Make sure the engine is stopped and is level.

2. Close the Fuel Valve.

3. Place a drain pan (not included) underneath the crankcase’s drain plug.

4. Remove the drain plug and, if possible, tilt the crankcase slightly to help drain the oil out. Recycle used oil.

5. Replace the drain plug and tighten it.

6. Clean the top of the Dipstick and the area around it. Remove the Dipstick by turning it counterclockwise, and wipe it off with a clean, lint free rag.

7. Add the appropriate type of oil until the oil level is at the full level. SAE 10W-30 oil is recommended for general use.
   The SAE Viscosity Grade chart shows other viscosities to use in different average temperatures.

8. Thread the dipstick back in clockwise.
   NOTICE : Do not run the engine with too little oil. Engine will not start with low or no engine oil.

Spark Plug Maintenance

1. Disconnect spark plug cap from end of plug. Clean out debris from around spark plug.
2. Using a spark plug wrench, remove the spark plug.
3. Inspect the spark plug
   If the electrode is oily, clean it using a clean, dry rag. If the electrode has deposits on it, polish it using emery paper. If the white insulator is cracked or chipped, the spark plug needs to be replaced.

recommended Spark plugs

NGK®| BP-6ES
NHSP® / TORCH®| F6TC

NOTICE : Using an incorrect spark plug may damage the engine.

1. When installing a new spark plug, adjust the plug’s gap to the specification on the Specifications chart. Do not pry against the electrode, the spark plug can be damaged.

2. Install the new spark plug or the cleaned spark plug into the engine.

   • Gaske t- style
     Finger-tighten until the gasket contacts the cylinder head, then tighten about 1/2-2/3 turn more.

   • Non-gasket-style
     Finger-tighten until the plug contacts the cylinder head, then tighten about 1/16 turn more.
     NOTICE : Tighten the spark plug properly. If loose, the spark plug will cause the engine to overheat.
     If overtightened, the threads in the engine block will be damaged.

3. Apply dielectric spark plug boot protector (not included) to the end of the spark plug and reattach the wire securely.

Air Filter Maintenance

1. Remove the Air Cleaner Cover and the air filter(s) and check for dirt. Clean as described below.

2. Cleaning :

   • For paper filters
     To prevent injury from dust and debris, wear ANSI-approved safety goggles, NIOSH-approved dust mask/respirator, and heavy-duty work gloves. In a well- ventilated area away from bystanders, use pressurized air to blow dust out of the filter. If this does not get the filter clean, replace it.

   • For foam filters
     Wash the filter in warm water and mild detergent several times. Rinse. Squeeze out excess water and allow it to dry completely. Soak the filter in lightweight oil briefly,
     then squeeze out the excess oil.

3. Install the cleaned filter(s). Secure the Air Cleaner Cover before use.

Shredding Hammer Inspection

1. Remove the Bolts (10), Spring Washers (11), and Flat Washers (15) securing the circular Access Panel (13) located on the back of the Rotor Housing (14), then remove the Panel.
2. Inspect the Rectangular Hammers (32) and L-Hammers (29) on the cutting edges for wear or damage.
3. If necessary, have the Hammers replaced by a qualified technician.

Chipper Blade Inspection

1. Remove the Lock Nuts (33) and Washers (15) securing the Chipper Chute (38) to the Chipper/Shredder. Remove the Chute to gain access to the Chipper Blades (35).
2. Slowly pull the Starter Handle to rotate the Rotor Assembly into a position where the Blades can be inspected for wear or damage.
3. If necessary, have the Chipper Blades sharpened or replaced by a qualified technician.

Long-Term Storage
When the equipment is to remain idle for longer than 20 days, prepare the engine for storage as follows:

1. CLEANING
   Wait for engine to cool, then clean engine with dry cloth. NOTICE : Do not clean using water. The water will gradually enter the engine and cause rust damage. Apply a thin coat of rust preventive oil to all metal parts.

2. FUEL
   To protect the fuel tank during storage, fill the tank with gasoline that has been treated with a fuel stabilizer additive. Follow fuel stabilizer manufacturer’s recommendations for use. Refer to Checking and Filling Fuel on page 17.
   WARNING! TO PREVENT SERIOUS INJURY FROM FIRE
   Fill tank in a well-ventilated area away from ignition sources. If the engine is hot from use, shut the engine off and wait for it to cool before adding fuel. Do not smoke.

3. LUBRICATION

   • Change engine oil.
   • Clean out area around spark plug. Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole.
   • Replace spark plug, but leave spark plug cap disconnected.
   • Pull Starter Handle to distribute oil in cylinder. Stop after one or two revolutions when you feel the piston start the compression stroke (when you start to feel resistance).

4. STORAGE AREA
   Cover and store in a dry, level, well-ventilated area out of reach of children. Storage area should also be away from ignition sources, such as water heaters, clothes dryers, and furnaces.
   Cover and store in a dry, level, well-ventilated area out of reach of children. Storage area should also be away from ignition sources, such as water heaters, clothes dryers, and furnaces.

5. AFTER STORAGE
   Before starting the engine after storage, keep in mind that untreated gasoline will deteriorate quickly. Drain the fuel tank and change to fresh fuel if untreated gasoline has been sitting for a month,
   if treated gasoline has been sitting beyond the fuel stabilizer’s recommended time period, or if the engine does not start.

Troubleshooting

| |
---|---|---
problem| possible Causes| probable Solutions
Engine will not start| Fuel Related

1. No fuel in tank or fuel valve closed.

2. Choke not in START position, cold engine.

3. Gasoline with more than 10% ethanol used. (E15, E20, E85, etc.)

4. Low quality or deteriorated, old gasoline.

5. Carburetor not primed.

6. Dirty fuel passageways.

7. Carburetor needle stuck.
   Fuel can be smelled in the air.

8. Too much fuel in chamber. This can be caused by the carburetor needle sticking.

9. Clogged Fuel Filter.

| Fuel Related

1. Fill fuel tank with fresh 87+ octane stabilizer- treated unleaded gasoline and open fuel valve.
   Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.).

2. Move Choke to START position.

3. Clean out ethanol rich gasoline from fuel system. Replace components damaged by ethanol. Use fresh 87+ octane stabilizer- treated unleaded gasoline only.
   Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.).

4. Use fresh 87+ octane stabilizer-treated unleaded gasoline.
   Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.).

5. Pull on Starter Handle to prime.

6. Clean out passageways using fuel additive. Heavy deposits may require further cleaning.

7. Gently tap side of carburetor float chamber with screwdriver handle.

8. Turn Choke to RUN position. Remove spark plug and pull the start handle several times to air out the chamber. Reinstall
   spark plug and set Choke to START position.

9. Replace Fuel Filter.

Ignition (spark) Related

1. Spark plug cap not connected securely.
2. Spark plug electrode wet or dirty.
3. Incorrect spark plug gap.
4. Spark plug cap broken.
5. Incorrect spark timing or faulty ignition system.

| Ignition (spark) Related

1. Connect spark plug cap properly.
2. Clean spark plug.
3. Correct spark plug gap.
4. Replace spark plug cap.
5. Have qualified technician diagnose/ repair ignition system.

Compression Related

1. Cylinder not lubricated.
   Problem after long storage periods.

2. Loose or broken spark plug. (Hissing noise will occur when trying to start.)

3. Loose cylinder head or damaged head gasket. (Hissing noise will occur when trying to start.)

4. Engine valves or tappets mis-adjusted or stuck.

| Compression Related

1. Pour tablespoon of oil into spark plug hole. Crank engine a few times and try to start again.

2. Tighten spark plug.
   If that does not work, replace spark plug. If problem persists, may have head gasket problem, see #3.

3. Tighten head. If that does not remedy problem, replace head gasket.

4. Have qualified technician adjust/ repair valves and tappets.

Engine oil Related

1. Low engine oil.
2. Engine mounted on slope, triggering low oil shutdown.

| Engine oil Related

1. Fill engine oil to proper level.
   Check engine oil before EVERY use.

2. Operate engine on level surface. Check engine oil level.

1. Spark plug cap loose.
2. Incorrect spark plug gap or damaged spark plug.
3. Defective spark plug cap.
4. Old or low quality gasoline.
5. Incorrect compression.

|

1. Check cap and wire connections.

2. Re-gap or replace spark plug.

3. Replace spark plug cap.

4. Use only fresh 87+ octane stabilizer-treated unleaded gasoline.
   Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.).

5. Diagnose and repair compression. (Use Engine will not start: Compression related section.)

Engine stops suddenly|

1. Fuel tank empty or full of impure or low quality gasoline.
2. Low oil shutdown.
3. Defective fuel tank cap creating vacuum, preventing proper fuel flow.
4. Faulty magneto.
5. Disconnected or improperly connected spark plug cap.

|

1. Fill fuel tank with fresh 87+ octane stabilizer- treated unleaded gasoline.
   Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.).

2. Fill engine oil to proper level.
   Check engine oil before EVERY use.

3. Test/replace fuel tank cap.

4. Have qualified technician service magneto.

5. Secure spark plug cap.

Engine stops when under heavy load|

1. Dirty air filter
2. Engine running cold.

|

1. Clean element.
2. Allow engine to warm up prior to operating equipment.

Engine knocks|

1. Old or low quality gasoline.
2. Engine overloaded.
3. Incorrect spark timing, deposit buildup, worn engine, or other mechanical problems.

|

1. Fill fuel tank with fresh 87+ octane stabilizer- treated unleaded gasoline.
   Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.).

2. Do not exceed equipment’s load rating.

3. Have qualified technician diagnose and service engine.

Engine backfires|

1. Impure or low quality gasoline.
2. Engine too cold.
3. Intake valve stuck or overheated engine.
4. Incorrect timing.

|

1. Fill fuel tank with fresh 87+ octane stabilizer- treated unleaded gasoline.
   Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.).

2. Use cold weather fuel and oil additives to prevent backfiring.

3. Have qualified technician diagnose and service engine.

4. Check engine timing.

After sudden impact, engine will run, but equipment will not operate| Shaft key or other shear pin broken by impact to disconnect engine and limit damage.| Have qualified technician check and replace broken shaft key or other shear pins.
problem| possible Causes| probable Solutions
---|---|---
Chipping action slow, or Engine stalling|

1. Branch diameter too thick.
2. Throttle set too low.

|

1. Do not process branches over 3″ diameter.
2. Adjust throttle to increase Engine speed.

Branch vibrates and moves excessively when chipping|

1. Branches are too hard and/or dried out.
2. Chipping blades are dull or damaged.

|

1. Material is not suitable for chipping.
2. Have qualified technician service Chipper/Shredder.

Engine runs but no material is processed|

1. Chipper/Shredder is jammed.
2. Throttle set too low.

|

1. Clear all debris out of the Main Housing and discharge port.
2. Adjust throttle to increase Engine speed.

Unusual noise and/or vibration during use|

1. Rotor Assembly area clogged with material.
2. Hammers loose, damaged, or obstructed by debris.

|

1. Stop adding material to Hopper/ Chipper Chute–allow Chipper/Shredder to clear itself before continuing.
2. Have qualified technician service Chipper/Shredder.

PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
Record Product’s Serial Number Here
Note : If product has no serial number, record month and year of purchase instead.
Note : Some parts are listed and shown for illustration purposes only, and are not available
individually as replacement parts. Specify UPC 193175528285 when ordering parts.

Parts Lists and Diagrams

Parts List

part| Description| Qty.| | part| Description| Qty.
---|---|---|---|---|---|---
1| Flange Bolt M8 x 16| 4| 30| Socket Head Cap Screw M8x20| 2
2| Batten| 1| 31| Washer| 4
3| Hopper Flap| 1| 32| Rectangular Hammer| 2
4| Hopper| 1| 33| Lock Nut M8| 31
5| Lock Nut M6| 12| 34| Socket Head Cap Screw M8x25| 4
6| Bolt M6 x 16| 18| 35| Chipper Blade| 2
7| Handle| 1| 36| Rotor Assembly| 1
8| Bolt5/16-24UNF×80| 4| 37| Engine Plate| 1
9| Flange Nut M8| 1| 38| Chipper Chute| 1
10| Bolt M8 x 16| 6| 39| Chipper Chute Flap| 1
11| Spring washer 8| 19| 40| Chipper Chute Mounting Ring| 1
12| Flat Washer 6| 11| 41| Spring washer 6| 5
13| Access Panel| 1| 42| Engine Mounting Block| 1
14| Rotor Housing| 1| 43| Engine Flat Key| 1
15| Flat Washer 8| 47| 44| Engine| 1
16| Axle Assembly| 1| 45| Bolt M8 x 65| 4
17| Wheel| 2| 46| Support Leg| 1
18| Cotter Pin 4×30| 2| 47| Left Brake Lever| 1
19| Flat Washer 16| 2| 48| Left Brake Pad| 1
20| Bolt M8 x 20| 10| 49| Right Brake Pad| 1
21| Socket Head Cap Screw M8 x 100| 1| 50| Right Brake Lever| 1
22| Discharge Port Cover| 1| 51| Socket Head Cap Screw M6 x 16| 2
23| Main Housing| 1| 52| Socket Head Cap Screw M6 x 25| 2
24| Socket Head Cap Screw5/16- 24UNF×130| 1| 53| Shock Absorber| 4
54| Flat Washer 8| 7
25| Cutter plate| 1| 55| Discharge Bag 1340×540| 1
26| Socket Head Cap Screw M8x50| 4| 56| Hopper Gasket| 1
27| Locking strip| 1| 57| Feed backing bracket| 1
28| Long Spacer Bushing| 4| 58| hex tooth nut M6| 10
29| L-Hammer| 2|

Main Assembly Diagram

Engine Parts List

part| Description| Qty.| | part| Description| Qty.
---|---|---|---|---|---|---
1| Bolt| 9| 47| Shroud| 1
2| Cover Subassembly, Cylinder Head| 1| 48| Starter Assy, Recoil| 1
3| Gasket, Cylinder Head Cover| 1| 49| Flywheel Subassembly| 1
4| Tube, Breather| 1| 50| Impeller| 1
5| Nut, Valve Lock| 2| 51| Pulley,Starter| 1
6| Nut, Valve Adjusting| 2| 52| Nut, Flywheel| 1
7| Rocker, Valve| 2| 53| Coil, Ignition| 1
8| Bolt, Rocker Shaft| 2| 54| Bolt| 2
9| Plate Subassembly, Lifter Stopper| 1| 55| Gasket, Carburetor Insulator| 1
10| Bolt, Cylinder Head| 4| 56| Plate, Carburetor Insulator| 1
11| Clamp, Valve Lock| 4| 57| Gasket, Carburetor| 1
12| Seat, Valve Spring| 2| 58| Carburetor Assy.| 1
13| Spring, Valve| 2| 59| Gasket, Air Cleaner| 1
14| Guide, Seal| 1| 60| Cleaner, Air| 1
15| Head Subassembly, Cylinder| 1| 61| Bolt| 2
16| Plug, Spark| 1| 62| Gasket, Exhaust Outlet| 1
17| Gasket, Cylinder Head| 1| 63| Muffler Assy.| 1
18| Pin| 2| 64| Nut| 2
19| Lifter, Valve| 2| 65| Support Subassembly, Governor| 1
20| Valves Set| 1| 66| Pin| 1
21| Ring Assy, Piston| 1| 67| Washer, Flat| 1
22| Clip, Piston Pin| 2| 68| Arm, Governor| 1
23| Rod, Connecting| 1| 69| Bolt, Governor Support| 1
24| Tappet, Valve| 2| 70| Spring, Governor| 1
25| Piston| 1| 71| Rod, Governeor| 1
26| Pin, Piston| 1| 72| Control Assy, Throttle| 1
27| Crankcase Subassembly.| 1| 73| Spring, Throttle Valve Returning| 1
28| Seal, Oil| 2| 74| Cover, Fuel Tank| 1
29| Gear Assy, Governor| 1| 75| Strainer, Fuel| 1
30| Bearin, Deep Groove Ball| 2| 76| Tank, Fuel| 1
31| Sensor, Engine Oil| 1| 77| Outlet Subassembly, Fuel Tank Oil| 1
32| Camshaft Assy.| 1| 78| Clamp| 1
33| Crankshaft Assy.| 1| 79| Tube, Fuel| 1
34| Gasket, Crankcase| 1| 80| Clamp| 2
35| Pin| 2| 81| Jacket, Rubber| 1
36| Dipstick Subassembly, Oil| 1| 82| Bolt| 4
37| Plug Subassembly, Engine Oil| 1| 83| Bolt| 2
38| Cover, Crankcase| 1| 84| Bolt| 1
39| Bolt| 6| 85| Bolt| 2
40| Bolt, Drain Plug| 2| 86| Bolt| 1
41| Washer, Flat| 2| 87| Nut| 5
42| Protector, Oil| 1| 88| Nut| 1
43| Shield,Lower| 1| 89| Bolt| 3
44| Collar| 1| 90| Valve, One Way| 1
45| Switch Subassembly, Stop Engine| 1| 91| Hose, Fuel Steam Rubber| 1
46| Shroud, Cylinder Body| 1|

When ordering replacement parts from this list, the “A” suffix must be included in order to get the correct part.

Engine Assembly Diagram

Emissions Control System Warranty

Harbor Freight Tools (HFT) is pleased to explain the emissions control system warranty on your Small Off-Road Engine produced after January 1, [Model Year] (engine), in addition to the Retail Warranty above. HFT warrants that the emissions control system on your engine is designed, built, and equipped so that it conforms to the United States Environmental Protections Agency’s (EPA) emissions requirements in effect at the time of manufacture. HFT also warrants that the emissions control system on your engine will be free from defects in material and workmanship for two (2) years, provided there has been no improper maintenance, misuse, or abuse of your engine.
Your emissions control system may include parts such as the carburetor or fuel-injection system, and the ignition system. Also included may be hoses, belts, connectors and other emissions-related assemblies.
WHAT WE WILL DO
Where a warrantable condition exists, HFT will repair or replace, at our option, any emissions-related part on your engine if it becomes defective, malfunctions, or otherwise fails to conform with this warranty under normal use and service during the two (2) year term of this warranty at no cost to you, including diagnosis, parts and labor. This warranty applies to the original purchaser and any subsequent owner within the two year warranty period.
WHAT IS COVERED?
The following parts are examples of components of the emissions control system and are covered by this two (2) year warranty. For a full list of emissions control components covered by this warranty, please see 40 CFR § 1068, Appendix I.

1. Fuel Metering System
   • Carburetor and its internal parts.
   • Fuel pump (if so equipped).
   • Cold start enrichment system.
2. Air Induction System
   • Intake pipe/manifold.
   • Air cleaner.
3. Ignition System
   • Spark plug.
   • Magneto ignition system.
4. Catalyst System (if so equipped)
   • Exhaust pipe stud.
   • Muffler.
   • Catalytic converter (if so equipped).
5. Miscellaneous Items Used in Above Systems
   • Vacuum, temperature and time sensitive valves and switches.
   • Hoses, belts, connectors, and assemblies.

This warranty does not cover normal maintenance services or replacement of maintenance items such as filters, oils, or spark plugs.

WHAT YOU MUST DO TO OBTAIN WARRANTY SERVICE
As the engine owner, you are responsible for the performance of the required maintenance listed in your Owner’s Manual. HFT may deny you warranty coverage if your engine or a part has failed due to abuse (including failure to follow the fuel use instructions contained in this manual), neglect, improper maintenance, or unapproved modifications.
In order to obtain warranty repair or replacement, you may either (a) contact HFT product support at 1-888-866-5797 or productsupport@harborfreight.com; or (b) bring the to your nearest Harbor Freight Tools retail store. When going to the retail store or contacting product support, you must indicate the specific emissions control part or defect that you are claiming and the date this was originally purchased. The nearest Harbor Freight Tools retail store can be found on the internet at http://www.harborfreight.com.

Warranties

Limited 90 Day Warranty (Retail)

• Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries
  to persons or property, or for incidental, contingent, special or consequential damages arising from the use of our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING

• THE WARRANTIES OF MERCHANTABILITY AND FITNESS, EXCEPT FOR THE EMISSIONS CONTROL SYSTEM WARRANTY BELOW.

• To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise. If our inspection verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return repaired products at our expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of our warranty, then you must bear the cost of returning the product.

• This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

• 26677 Agoura Road

• Calabasas, CA 91302

• 1-888-866-5797

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