POWR FIST 8925521 20 in 4 In1 Self Propelled Lawn Mower User Manual

June 13, 2024
POWR FIST

POWR FIST 8925521 20 in 4 In1 Self Propelled Lawn Mower

POWR FIST 8925521 20 in 4 In1 Self Propelled Lawn
Mower

SPECIFICATIONS

HP Rating 4.5 HP
Engine Displacement 173cc
Fuel Capacity 1.3 quarts
Oil Capacity 0.53 quarts
Power Rating 3,300 W
Cutting Height Adjustment Centre adjustment
Cutting Height 7 heights: 0.98 to 2.95 in.
Cutting Width 20 in.
Cutting Range/Yard Size 1,913 sq. yds.
Mulching Capable Yes
Bagger Included Yes
Blade Engagement Type Straight blade
Transmission Type Gear
Blade Type Straight
Blade Size 20 in.
Blade Material Steel
Handle Type Soft grip
Max. Forward Speed 2.23 MPH
Start Type Recoil
Overall Length 61.81 in.
Overall Width 27.56 in.
Wheel Size (front/rear) 8 and 10 in.

INTRODUCTION

The 20 in. 4-in-1 Self-Propelled Lawn Mower has a 173cc, 6 HP gas engine with recoil start and a soft handle grip. A separate engine manual is included. Please consult it when necessary.

SAFETY

WARNING! Read and understand all instructions before using this tool. The operator must follow basic precautions to reduce the risk of personal injury and/or damage to the equipment. Keep this manual for safety warnings, precautions, operating or inspection and maintenance instructions.

HAZARD DEFINITIONS
Please familiarize yourself with the hazard notices found in this manual. A notice is an alert that there is a possibility of property damage, injury or death if certain instructions are not followed.
DANGER! This notice indicates an immediate and specific hazard that will result in severe personal injury or death if the proper precautions are not taken.
WARNING! This notice indicates a specific hazard or unsafe practice that could result in severe personal injury or death if the proper precautions are not taken.
CAUTION! This notice indicates a potentially hazardous situation that may result in minor or moderate injury if proper practices are not taken.
NOTICE! This notice indicates that a specific hazard or unsafe practice will result in equipment or property damage, but not personal injury.

WORK AREA

  1. Operate in a safe work environment. Keep your work area clean, well-lit and free of distractions. Place lights so you are not working in a shadow.
  2. Keep anyone not wearing the appropriate safety equipment away from the work area.
  3. Store unused tools properly in a safe and dry location to prevent rust or damage. Lock tools away and keep out of the reach of children.
  4. Do not install or use in the presence of flammable gases, dust or liquids.
  5. Inspect and remove objects from the area that can be thrown by the lawn mower’s spinning blade.
  6. Never mow when there are bystanders or animals in the same area.

PERSONAL SAFETY

WARNING! Wear personal protective equipment approved by the Canadian Standards Association (CSA) or American National Standards Institute (ANSI).

PERSONAL PROTECTIVE EQUIPMENT

  1. Always wear impact safety goggles that provide front and side protection for the eyes. Eye protection equipment should comply with CSA Z94.3-07 or ANSI Z87.1 standards based on the type of work performed.
  2. Wear gloves that provide protection based on the work materials or to reduce the effects of tool vibration.
    • Do not wear gloves when operating a tool that can snag the material and pull the hand into the tool.
  3. Wear protective clothing designed for the work environment and tool.
  4. Non-skid footwear is recommended to maintain footing and balance in the work environment.
  5. Wear the appropriate rated dust mask or respirator.

PERSONAL PRECAUTIONS
Control the tool, personal movement and the work environment to avoid personal injury or damage to tool.

  1. Do not operate any tool when tired or under the influence of drugs, alcohol or medications.
  2. Avoid wearing clothes or jewelry that can become entangled with the moving parts of a tool. Keep long hair covered or bound.
  3. Do not overreach when operating a tool. Proper footing and balance enable better control in unexpected situations.
  4. Keep your feet well away from the blade at all times, including when starting the lawn mower.

SPECIFIC SAFETY PRECAUTIONS

WARNING! DO NOT let comfort or familiarity with product (gained from repeated use) replace strict adherence to the tool safety rules. If you use this tool unsafely or incorrectly, you can suffer serious personal injury.

  1. Use the correct tool for the job. This tool was designed for a specific function. Do not modify or alter this tool or use it for an unintended purpose.
  2. Do not use the tool if any parts are damage broken or misplaced. Repair or replace the parts.
  3. Check municipal by-laws to determine if there is a minimum age requirement for operating a lawn mower.
  4. Replace any faulty or missing noise abatement devices.
  5. Use caution when rotating one blade, as this could cause the other blade to rotate.
  6. Avoid cutting wet grass. Watch your footing if you are cutting on wet grass or a slope.
  7. Avoid cutting straight up or down a steep slope. Cut across the slope to avoid tipping over the lawn mower.
  8. Stop the blade when tilting the lawn mower for transport across a surface other than grass, and when transporting the lawn mower to and from the area you are mowing.
  9. Never operate the lawn mower with any missing or damaged safety guards, including deflectors and grass catchers.
  10. Disengage all blade and drive clutches before starting the engine.
  11. If you need to tilt the lawn mower when starting, keep the tilt angle as small as possible
  12. Do not stand in front of the discharge chute when starting the engine.
  13. Never pick up or carry the lawn mower while it is running.
  14. Reduce the throttle setting before turning the engine off.
  15. Keep the lawn mower clean and free of grass, leaves, excessive grease, or any other flammable substance.

UNPACKING

WARNING! Do not operate the tool if any part is missing. Replace the missing part before operating. Failure to do so could result in a malfunction and personal injury.
Remove the parts and accessories from the packaging and inspect for damage. Make sure that all items in the Identification Key are included.

IDENTIFICATION KEY

  • A Drive/Clutch Lever
  • B Throttle
  • C Upper Handle
  • D Fixing Knob/Bolt
  • E Grass Clipping Bag
  • F Height Adjustment Handle
  • G Rear Wheel
  • H Side Discharge Chute
  • I Side Discharge Cover
  • J Deck
  • K Front Wheel
  • L Front Cover
  • M Engine
  • N Starter Handle
  • O Rear Discharge Cover
  • P Lower Handle
  • Q Brake/Stop Lever
  • R Soft Grip

ASSEMBLY & INSTALLATION

Dashed numbers in parenthesis (Fig. 1-1) refer to a specific point in an illustration or image.

HANDLE

  1. Attach the lower handle to the deck using two small bolts (Fig. 2-1), washers and knob (Fig. 2-2), one set on either side.
  2. Attach the upper handle using two large bolts (Fig. 3-1) and large knob (Fig. 3-2), one on either side. Make sure that the rope guide is on the right side, as seen from behind the lawn mower.
  3. Secure the starter cord to the handle using cord clips (Fig. 4-1). POWR FIST 8925521 20 in 4 In1 Self Propelled Lawn Mower 2

TRAY

  1. Position the tray on the upper handle. The cup holders are on the side closest to the mower.
  2. Fit the slot on the right side of the tray over the throttle lever, so it can still be accessed.
  3. Align the bolt holes on either side of the tray with the bolt holes in the upper handle. There is one bolt hole on the right and two on the left. Insert a bolt through each bolt hole. Secure hand-tight with the included nut.
  4. Check that the cables can move freely. If they are pinched by the tray, loosen the bolt and reposition the cables. Once they move freely, tighten the nuts with a wrench.

STARTER HANDLE

  1. Pull the start handle and cord out slowly to avoid starting the motor.
  2. Place the handle into the handle holder on the right side of the upper handle. It will remain there until used.

CONFIGURATION
You may configure the lawn mower in one of four ways:

  • Rear Discharge: Remove the grass bag, mulching plug, and side discharge duct.
  • Rear bagging: Remove the mulching plug and side discharge duct, then attach the grass bag.
  • Mulching: Remove the grass bad and side discharge duct, then add the mulching plug.
  • Side discharging: Remove the grass bag, then add the mulching plug and side discharge duct.

GRASS BAG
If you are using a grass bag:

  1. Lift the rear discharge cover (Fig. 5-1) with one hand, and then hook in the grass bag’s plastic clips to the metal frame (5-2).
  2. Release the rear discharge cover to secure the grass bag in position. ****

MULCHING PLUG
If you are using the mulching plug:

  1. Remove the grass bag.
  2. Hold the rear discharge cover open with one hand (Fig. 5-1).
  3. Push the plastic mulching plug (Fig. 6-2) into the discharge chute (Fig. 6-1) until it locks in pace.
  4. Release the rear discharge cover.

SIDE DISCHARGE CHUTE
To use the side discharge chute:

  1. If needed, remove the grass bag, and then insert the mulching plug.
  2. Lift the side discharge cover (Fig. 7-1) with one hand, and then hook in the side discharge chute (Fig. 7-2) with the other hand.
  3. Release the side discharge cover to secure the side discharge chute in position. ****

OPERATION

WARNING! Always wear eye and ear protection, long trousers and closed toe shoes when operating the lawn mower.
WARNING! Always perform the “Before Each Use” procedure under Care and Maintenance before operating the lawn mower.

CUTTING HEIGHT

  1. Turn the engine off if is running.
  2. Pull the adjusting handle out, select the desired cutting height, and then let the adjusting handle snap into position. The lawn mower includes seven (7) cutting heights from 0.98 to 2.95 in. (25 mm to 75 mm). ****

STARTING AND STOPPING THE ENGINE

  1. Push the primer bulb 3 to 5 times when starting a cold engine.
  2. Move the throttle lever into the start position.
  3. Pull the brake/stop lever down to the upper handle and hold it there during use. The engine will stop if the brake/stop lever is released.
  4. Remove the starter handle from the handle holder.
  5. Pull the starter handle slowly until you feel resistance, then pull the cord quickly. This will start the engine.
    • You may need to pull the starter cord multiple times before the motor. Press the primer bulb 3 to 5 times after several attempts to make sure there is fuel available.
  6. Place the starter handle back into the handle holder once the engine is running.
  7. Release the brake/stop lever to stop the engine.

SELF-PROPELLED MOVEMENT
The lawn mower has an optional self-propelled function that will move the lawn mower forward without any effort from the user.

  1. Pull the drive/clutch lever upward and hold against the handle while mowing.
  2. The lawn mower will move forward, as long as the drive/clutch lever is held.
  3. Release the lever to disengage the function. The lawn mower will continue to run and you can still push it forward or backward.

MOWING

  1. Push the lawn mower at a steady walking pace. Never run while the engine has power.
  2. Mow across slopes. Do not mow up or down, as you may lose control of the lawn mower.
  3. Mow when the grass is dry. Wet or damp grass can clog the blade and force the engine to work harder, causing it to wear more quickly.
  4. Cut long grass in stages to avoid clogging the blade. Lower the blade height between each stage until you reach the desired height.
  5. Empty the grass bag when clippings begin to trail behind the mower. Clippings are expected when mulching.
  6. Shut the motor off.
  7. Lift the rear discharge cover.
  8. Pull the bag upward to unhook the bag and let the rear discharge cover down.
  9. Empty the bag, then reinstall it onto the mower.
  10. Shut the engine off before removing stuck clippings. Use a brush or similar tool when removing clippings from any discharge chute or the main casing. Do not use your hands or feet

CARE & MAINTENANCE

  1. Maintain the tool with care. A tool in good condition is efficient, easier to control and will have fewer problems.
  2. Inspect the tool components periodically. Repair or replace damaged or worn components. Only use identical replacement parts when servicing.
  3. Keep the tool handles clean, dry and free from oil/grease at all times.
  4. Maintain the tool’s labels and name plates. These carry important information. If unreadable or missing, contact Princess Auto Ltd. for replacements.
    WARNING! Only qualified service personnel should repair the tool. An improperly repaired tool may present a hazard to the user and/or others.

REPLACE THE BLADE

CAUTION! Wear gloves to avoid a cutting your hands while replacing the lawn mower blade.
NOTICE! Do not flip the lawn mower over to change the blade. This can cause fuel and/or oil to leak. Tip the lawn mower upward and reach under the unit.

  1. Shut the engine off and allow it too cool.
  2. Lift the lawn mower front enough to access the glad from underneath.
  3. You can place the lawnmower on sawhorses for easier access. Make sure the wheels are not on the sawhorses to avoid unwanted movement.
  4. Hold the blade by gloved hand or brace it with a chunk of wood. Loosen the nut with a wrench, then remove the nut and washer by hand.
  5. Remove the blade for sharpening or dispose of it.
  6. Place the washer on the bolt in preparation for the following steps.
  7. Fit the replacement or resharpened blade onto the two studs. Make sure the upward sweep on the blade is towards the lawn mower underbody.
  8. Hold the blade in place and screw the bolt and washer through the blade and into the engine’s shaft until hand tight.
  9. Tighten the bolt with a wrench to secure the blade.

CLEANING
Clean all grass clippings from the body and discharge ports with a brush or similar tool before storing the lawn mower. Follow the instruction for replacing the blade to access the lawn mower’s underbody to remove stuck clippings.

MAINTENANCE SCHEDULE
Follow the maintenance schedule in the engine manual.

STORAGE
Clean all grass clippings from the body, discharge ports and engine surfaces. Follow the storage instructions in the engine manual, in addition to these instructions.

DISPOSAL
Recycle a tool damaged beyond repair at the appropriate facility. Contact your local municipality for a list of disposal facilities or by-laws for electronic devices, batteries, oil or other toxic liquids.
IMPORTANT! DO NOT pollute the environment by allowing uncontrolled discharge of waste oil.

TROUBLESHOOTING
Visit a Princess Auto Ltd. location for a solution if the tool does not function properly or parts are missing. If unable to do so, have a qualified technician service the tool.

Problem(s) Possible Cause(s) Suggested Solution(s)
Loud while running, machine vibrates heavily 1.    Screws are loose.

2.    Blade fasteners are loose.

3.    Blade is unbalanced.

| 1.    Check and tighten all screws.

2.    Check blade fasteners.

3.    Suggested solution.

Uneven mowing results| 1.    Blade is blunt.

2.    Cutting height is too low.

| 1.    Sharpen the blade

2.    Set correct height.

Grass bag is not filled sufficiently| 1.    Blade is worn

2.    Grass bag is clogged

3.    Wet grass sticking to lawnmower.

4.    Discharge opening is blocked.

| 1.    Replace or sharpen the blade

2.    Empty the grass bag

3.    Wait for lawn to dry before mowing. Remove stuck grass.

4.    Clean grass clippings from opening.

References

Read User Manual Online (PDF format)

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