EXCELL EPW1792500.01 Pressure Washer User Manual

: June 6, 2024
: EXCELL

EXCELL™ EPW1792500.01 Pressure Washer User Manual

EPW1792500-01

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Purchase Date:__
Serial #: ___

IMPORTANT: Please make certain that the person who is to use this equipment carefully reads and understands these instructions before operating.

Safety Guidelines/Definitions

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This manual contains information that is important for you to know and understand. This information relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols below. Please read the manual and pay attention to these symbols.

Indicates an imminently hazardous situation which, if not avoided , WILL result in DEATH OR SERIOUS INJURY.

Warning
Indicates a potentially hazardous situation which, if not avoided, COULD result in DEATH OR SERIOUS INJURY.

Indicates a potentially hazardous situation which, if not avoided, MAY result in MINOR OR MODERATE INJURY.

Indicates a potentially hazardous situation which, if not avoided, MAY result in PROPERTY DAMAGE.

Consumer Safety Instructions

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Warning This product may not be equipped with a spark arresting muffler. If the product is not equipped and will be used around flammable materials, or on land covered with materials such as agricultural crops, forest, brush, grass, or other similar items, then an approved spark arrester must be installed and is legally required by the state of California. It is a violation of California statutes section 13005(b) and/or sections 4442 and 4443 of California Public Resources Code, unless the engine is equipped with a spark arrester, as defined in section 4442, and maintained in effective working order. Spark arresters are also required on some U.S. Forest Service land and may also be legally required under other statutes and ordinances.

WARNING: CONTAINS LEAD. MAY BE HARMFUL IF EATEN OR CHEWED. MAY GENERATE DUST CONTAINING LEAD. WASH HANDS AFTER USE. KEEP OUT OF REACH OF CHILDREN.

WARNING : THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS INCLUDING LEAD, WHICH IS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM. FOR MORE INFORMATION GO TO WWW.P65WARNINGS.CA.GOV.

Important Safety Instructions

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Warning Do not operate this unit until you have read and understand this Operator’s Manual and the Engine Owner’s Manual for Safety, Operation, and Maintenance Instructions.

READ AND SAVE THESE INSTRUCTIONS

Important Safety Instructions 1

Important Safety Instructions 2

Important Safety Instructions 3

Important Safety Instructions 4

Important Safety Instructions 5

Important Safety Instructions 6

Important Safety Instructions 7

Important Safety Instructions 8

Safety Features

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THERMAL RELIEF VALVE

A thermal relief valve is provided to protect the pump from overheating if the spray gun is closed for an extended length of time or the nozzle becomes plugged. However, it is intended to be used as a backup system and every effort should be made to not permit the pump to heat up.

We recommend turning the pressure washer off if it will not be used for more than five minutes. This saves wear on the unit, reduces fuel consumption and extends the life of the pump by avoiding heat.

The pump will overheat and may be damaged, or cause damage if allowed to circulate more that five minutes.

SAFETY LOCK OFF LATCH

To prevent accidental discharge of high pressure water, the safety latch on the trigger should be engaged whenever the pressure washer is not in use. (Refer to Operating Instructions.)

LOW-OIL SHUTDOWN

The unit is equipped with a low oil sensor. If the engine oil level becomes lower than required, the pressure washer will automatically shut off. (Refer to the engine manual for this feature.) This protects your pressure washer engine from operating without proper lubrication.

If the pressure washer engine shuts off and the oil level is according to specification, check to see if the pressure washer is sitting at an angle that forces oil to shift. Place on an even surface to correct this. If the engine fails to start, the oil level may not be sufficient to deactivate low oil level switch. Be sure the engine is completely full of oil. See engine manual.

SPARK ARRESTING MUFFLER

THIS PRODUCT MAY NOT BE EQUIPPED WITH A SPARK ARRESTING MUFFLER. If the product will be used around flammable materials, such as agricultural crops, forests, brush, grass, or other similar items, then an approved spark arrester should be installed and is legally required in the State of California. The California statutes requiring a spark arrester are Sections 13005(b), 4442 and 4443. Spark Arresters are also required on some U.S. Forest Service land and may also be legally required under other statutes and ordinances. For more information, contact our Customer Service Department at 1-888-895-4549.

Specifications

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Maximum Pressure (PSI): 2500
Gallons Per Minute (GPM): 2.3
Maximum Inlet Pressure: Up to 90 PSIG
RPM: 3750 RPM
Temperature of Pumped Fluids: Up to 80°F
Inlet Ports: 3/4” GHT (F)
Discharge Ports: M22

Your pressure washer has a maintenance-free pump. There is no need to change the pump oil.

Assembly instructions

Place the unit on its back and insert wheel axle into front tube (FIG 1). Use (1) M6 washer and (1) M6 x 15mm long hex head screw to assemble wheel axle to frame using the supplied open-end wrench. Tighten securely. Repeat for opposite side.
Remove (1) M8 washer and (1) M8 nut from wheel axle and place wheel onto axle (FIG 2). Be sure the hub on the wheel goes to the inside (FIG 3). The wheel hub side of the wheel has the center piece that protrudes out from the wheel approximately a 1/4 inch. Re-assemble the washer and nut onto axle using the supplied open-end wrench (FIG 4). Tighten securely. Repeat for opposite side.
With the unit still on its back, assemble the rubber feet using (1) M8 x 25 mm long socket head cap screw and (1) M8 nut (FIG 5). Using the supplied hex wrench and open-end wrench, tighten securely. Repeat for opposite side (FIG 6).
Place the unit on its wheels and rubber feet. Insert the handle into the frame (FIG 7). Locate the handle hardware (bolts, washers and knobs) in the plastic bag with the Operation Manual. Ensure that the holes on the handle and frame are aligned. Insert the handle bolts through the holes from the outside (FIG 8). Add the washer to the bolt, then thread the knob onto the bolt from the inside and securely tighten it into place (FIG 8).
Assemble the lower gun hook using (1) M6 x 45mm long socket head cap screw, (1) M6 nut, and the supplied hex wrench and open-end wrench (FIG 9). Tighten securely (FIG 10).
Assemble the upper gun hook using (1) M6 x 45mm long socket head cap screw, (1) M6 nut, and the supplied hex wrench and open-end wrench (FIG 11). Tighten securely. Assemble the wand by screwing together the threaded connections of the two wand halves. Hang the wand on the upper gun hook, as shown in FIG 12.
Assemble the upper hose hanger using (2) M6 x 45mm long socket head cap screws, (2) M6 nuts, and the supplied hex wrench and open-end wrench (FIG 13-16). Tighten securely.
Final unit assembly (FIG 17).
A spark plug removal tool is included for future maintenance (FIG 18). See provided engine manual for spark plug maintenance procedures.

Spray Nozzle Selection

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Following is information concerning the five nozzles provided with your pressure washer.

NOTE: The force of the spray on the surface you are cleaning increases as you move closer to the surface.

0° High Pressure (Red): The water stream discharged is very aggressive. Use with extreme caution to prevent damage to the surface being cleaned or injury to persons or animals.

15° High Pressure (Yellow): This is the nozzle used for most cleaning applications. It provides narrow coverage and a highly powerful water stream.

25° High Pressure (Green): Use of this nozzle offer both a medium coverage and water stream. Best used for flushing dirt and debris off surfaces.

40° High Pressure (White): This nozzle is chemical injector to apply chemicals used for cleaning with the widest coverage over a larger area with a powerful water stream.

65° Low Pressure (Black): Provides low pressure spray and a wide coverage. Used primarily when operating the chemical injector to apply chemicals.

Before Operation

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NOTE: The engine and pump on your EXCELL™ Pressure Washer will often have improved performance after a break-in period of several hours.

PRE-START PREPARATION
Before starting the pressure washer, check for loose or missing parts and for any damage which may have occurred during shipment.

HOSE AND GUN ASSEMBLY
NOTE: Align threaded connections carefully to prevent damaging threads during assembly. Tighten connections securely to prevent leaks during operation.

FUEL
Fill the tank with clean, fresh unleaded automotive gasoline. (See Figure 1). Regular grade gasoline may be used provided a high octane rating is obtained (at least 85 pump octane).

Gasoline is very dangerous. Serious injury may result from fire caused by gasoline contacting hot surfaces.

Do not overfill the tank. Keep maximum fuel level 1/2 inch below the bottom of the filler neck. This will allow expansion in hot weather and prevent overflow.

Engine and Pump Features – Figure 1

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Engine and Pump Features - Figure 1

Operating Connections

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HIGH PRESSURE HOSE
Attach the high pressure hose to the outlet connection located on the pump. (See Figure 1).

WATER CONNECTION
Before connecting to unit, run water through the garden hose (not supplied) to flush out any foreign matter. Check that the screen is clean and is in the inlet of the pump. Attach garden hose to the inlet connection located on the pump. (See Figure 1).

NOTE: The water supply must provide a minimum of 4 GPM at 40 to 80 PSI or the pump will be damaged.

Operating Instructions

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START-UP PROCEDURE

Ensure water supply is connected and turned on.
Release gun safety lock.
To allow air to escape from the hose, squeeze trigger on the gun until there is a steady stream of water coming from the nozzle.
Remove any dirt or foreign matter from the gun outlet and the male connector of the wand.
Insert the nozzle wand into the gun wand and tighten the twistfast fitting securely by hand.

The pump is supplied with the correct amount of oil and does not require further service.

STARTING THE ENGINE (See Figure 1, page 10)

Check engine oil and fuel levels
Move the fuel lever to the “ON” position.
Adjust the choke lever as necessary (full choke “ON” for a cold engine, half choke or no choke may be needed for a warm engine – recently run).
Adjust the throttle lever as necessary (half throttle is recommended for starting).
Turn the engine on/off switch to the “ON” position.
Squeeze and hold the trigger on the high pressure gun to release the pressure on the pump. Failure to do this will make the unit hard to start.
While still holding the trigger on the high pressure gun, pull the engine starter rope with a fast steady pull until engine starts.
As the engine warms up, move choke lever to off position

Warning
If the wand or nozzle is not securely locked into place, it could be ejected under high pressure when operating the gun, possibly causing injury or damage.

Chemical Injection

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Attach injection tube assembly to the siphon injector on the pump (see Figure 1, page 10).
Open a container of pressure washer chemical and place next to the unit near the injection tube.
Visually inspect strainer at the end of the injection tube to verify that it is not clogged.
Insert the injection tube into the container all the way to the bottom.
Remove the high-pressure nozzle from the wand and install the black injection nozzle. The solution will automatically be mixed with the water and discharged through the nozzle.

This pressure washer is intended for use only with liquid car wash detergents, developed specifically for pressure washer and with mild soaps. Only use chemicals compatible with the aluminum and brass parts of the pressure washer. Powdered soaps may clog the injection system. Always use chemicals according to manufacturer directions. MAT Industries, LLC assumes no responsibility for any damages caused by chemicals injected through this pressure washer.

Cleaning Techniques

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When cleaning with the pressure washer, many cleaning tasks can be solved with water alone, but for most tasks it is advantageous to use a detergent also. A detergent ensures a quick soaking of the dirt allowing the high pressure water to penetrate and remove the dirt more effectively.

Pressure washer chemicals are specially formulated to be used with your pressure washer.

APPLICATION OF SOAP OR DEGREASER

Apply the solution to a DRY work surface. On a vertical surface, apply horizontally from side to side starting from the bottom to avoid streaking.
NOTE: Wetting the surface first is not recommended, as it dilutes the detergent and reduces its cleaning ability. Avoid working on hot surfaces or in direct sunlight to minimize the chances of the chemical damaging painted surfaces. Damage may occur to painted surface if chemical is allowed to dry on the surface. Hold nozzle far enough away from surface to prevent damage to the surface.
Allow chemical to remain on the surface for a short time before rinsing.
Rinse with clean water under high pressure. On a vertical surface, first rinse from the bottom up, then rinse from the top down. Hold nozzle 6 to 8 inches from the work surface at a 45° angle using the flat spray as a peeling tool rather than a scrub brush.

APPLICATION OF WAX

Immediately after cleaning, apply pressure washer wax. Place injection tube in container of wax.
Apply the wax sparingly in an even layer. Apply to wet surfaces from the bottom up for even distribution and to avoid streaking.
Remove the suction tube from the wax bottle and rinse off the surplus wax.
NOTE: IF SURPLUS WAX IS NOT REMOVED, A HAZY FINISH MAY RESULT.
Wipe dry to reduce water spotting.

End of Cleaning Operation

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When you have completed use of the chemical injection system, remove tube from container. Continue to run in low pressure position and inject clean water through the tube and injection system by placing end of tube in a container of clean water. Continue to run until it is thoroughly cleaned.

Maintenance

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CONNECTIONS

Connections on pressure washer hoses, gun and spray wand should be cleaned regularly and lubricated with silicon grease to prevent leakage and damage to the o-rings.

NOZZLE

Clogging of the nozzle causes the pump pressure to be too high and cleaning is immediately required.

A nozzle cleaner must only be used when the spray nozzle is disconnected from the gun or personal injury could result.

Remove the nozzle from the wand.
Clear the nozzle with the nozzle cleaner pin provided with the pressure washer.
Flush the nozzle backwards with water.
Re-install the nozzle into the wand.

Restart the pressure washer and depress the trigger on the spray gun. If the nozzle is still plugged or partially plugged, repeat above items 1-4.

If the previous procedure does not clear the nozzle, replace with a new nozzle.

WATER SCREEN

The pressure washer is equipped with a water inlet screen to protect the pump. If the screen is not kept clean, it will restrict the flow of water to the pressure washer and may cause damage to the pump. Do not damage the screen while removing or cleaning screen. Any foreign particles entering the pump may damage the pump. Do not operate pressure washer without the screen in place.

Remove the screen and back flush to remove impurities from screen. Replace immediately.

ENGINE MAINTENANCE

During the winter months, rare atmospheric conditions may develop which will cause an icing condition in the carburetor. If this develops, the engine may run rough, lose power, and may stall.

NOTE: Refer to the engine manufacturer’s manual for service and maintenance of the engine.

Storage

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PUMP STORAGE

If you must store your pressure washer in a location where the temperature is below 32°F, you can minimize the chance of damage to your machine by utilizing the following procedure:

Shut off water supply and relieve pressure in the spray gun by depressing the trigger. Disconnect the garden hose from the pressure washer, but leave the high-pressure hose connected.
Tip the unit on its side with the inlet connection pointing up.
Insert a small funnel (to prevent spilling) into the inlet and pour in approximately 1/4 cup of RV antifreeze.
Disconnect spark plug wire.
Without connecting garden hose pull the recoil several times to circulate the anti freeze in the pump system. Continue to add antifreeze and pull the recoil until the antifreeze is expelled when the trigger is pulled.
Turn the unit upright.

Prior to restarting, thaw out any possible ice from the pressure washer hoses, spray gun and wand.

Another method of reducing risks of freeze damage is to drain your pressure washer as follow:

Stop the pressure washer and detach supply hose and high pressure hose. Squeeze the trigger of the discharge gun to drain all water from the wand and hose.
Restart the pressure washer and let it run briefly (about 5 seconds) until water no longer discharges from the high pressure outlet.

ENGINE STORAGE

When the pressure washer is not being operated or is being stored more than one month, follow these instructions:

Replenish engine oil to upper level.
Drain gasoline from fuel tank, fuel line, fuel valve and carburetor.
Pour about one teaspoon of engine oil through the spark plug hole, pull the recoil starter several times and replace the plug. Then pull the starter slowly until you feel increased pressure which indicates the piston is on its compression stroke and leave it in that position. This closes both the intake and exhaust valves to prevent the inside of the cylinder from rusting.
Cover the pressure washer and store in a clean, dry place that is well ventilated away from open flame or sparks.

NOTE: We recommend always using a fuel stabilizer. A fuel stabilizer will minimize the formulation of fuel gum deposits during storage. The fuel stabilizer can be added to the gasoline in the fuel tank, or into the gasoline in a storage container.