TABLE OF CONTENTS SECTION PAGE GENERAL INFORMATION SAFETY GUIDELINES COMPONENTS & CONTROLS How The Pressure Washer Works Controls ASSEMBLY INSTRUCTIONS Assembly for Item 8102477 Assembly for Item 8038317 Assembly for Item 8186322 Assembly for Item 8038382 Assembly for Item 8186306 Assembly for Item 8093254 Assembly for Item 8093247 Assembly for Item 8093270...
1. GENERAL INFORMATION Congratulations on your choice of a Power Fist Pressure Washer. This equipment has been designed and manufactured to meet the needs of a discerning light industrial and consumer customer for efficient washing and cleaning. Power Fist Pressure Washers are categorized based on their applications into the following three classes: Consumer Class: pressure washers are designed for up to 3 hours a week of use, for such applications as washing your car, sidewalk, lawnmower or your home.
2. SAFETY GUIDELINES DEFINITIONS Safety symbols identify important safety messages that alert to the possibility of personal injury or death. Review them carefully before operating the unit and before performing maintenance or repairs. Check the rules and regulations at your location and identify possible hazards. The appropriate signal word for each message has been selected using the following guidelines: - Danger indicates an immediate and specific hazard, which will result in severe personal injury or death if the proper precautions are not taken.
3. COMPONENTS & CONTROLS 3.1 HOW THE PRESSURE WASHER WORKS The gas engine powers the plunger piston pump to pressurize the incoming water supplied by a standard garden hose. The pressurized water flows through an operator controlled unloader valve to set the system pressure.
3.2 CONTROLS 1. Engine Controls – See Engine Manual 2. Unloader Valve Controls the system pressure. The unloader is pre-set at the factory to a maximum system pressure. Do not readjust this maximum pressure setting. If a lower working pressure is required, turn unloader knob counter-clockwise.
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3.2 CONTROLS (cont’d) Nozzle To select the correct nozzle size, determine the pressure (PSI) and flow (GPM) rating of your pressure washer. This can be found on the manufacturer’s serial plate or literature. Using the chart for nozzle requirements (see Figure 3 below) read across the top to the PSI of your pressure washer then read down the column to the GPM of your pressure washer.
4. ASSEMBLY INSTRUCTIONS The washer is shipped in a carton and requires assembly before it can be used. Follow this procedure when assembling: 1. Select an area that is firm and dry with sufficient space to work around all sides of the unit. 2.
4.2 ASSEMBLY FOR ITEM 8038317 (ref. pages 30-31) 9. Assemble coupler (28) on free end of hose (34). 10. Assemble hose/coupler (34/28) to the discharge end of the pump (3). 11. Connect spray gun (20) to hose (34). 12. Install rubber grommets (14) and nozzle (22) to handle (5). 13.
4.4 ASSEMBLY FOR ITEM 8038382 (ref. pages 34-35) 5. Install engine (11) on base (1) using bolts (22) and nuts (26). 6. Assemble male quick coupler (29) to the spray gun (30). 7. Assemble wand (31) to spray gun (30). 8.
4.6 ASSEMBLY FOR ITEM 8093254 (ref. pages 38-39) 1. Install rubber feet (7) to rear leg (6) using nuts (8). 2. Install rear leg (6) to base (1) using bolts (9) and nuts (8). 3. Place axle (15) through holes on base (1). Place spacers (17) on axle on either side of the base. Place wheels (4) on the axle so the spacers are snug against the flanges of the base.
4.7 ASSEMBLY FOR ITEM 8093247 (ref. pages 40-41) 1. Install rubber feet (6) to rear leg (5) using nuts (8). 2. Install rear leg (5) to base (1) using bolts (7) and nuts (8). 3. Place axle (13) through holes on base (1). Place spacers (14) on axle on either side of the base. Place wheels (39) on the axle so the spacers are snug against the flanges of the base.
4.8 ASSEMBLY FOR ITEM 8093270 (ref. pages 42-43) 1. Install rubber feet (6) to rear leg (5) using nuts (7). 2. Install rear leg (5) to base (1) using bolts (8) and nuts (7). 3. Place axle (13) through holes on base (1). Place spacers (14) on axle on either side of the base. Place wheels (45) on the axle so the spacers are snug against the flanges of the base.
4.9 ASSEMBLY FOR ITEM 8093262 (ref. pages 44-45) 1. Remove the wooden carton supports that are fastened to the base of the pressure washer sub- assembly by removing the screws (2 per support). 2. Install rubber feet (6) to rear leg (5) using nuts (7). Prior to steps 4 through 6, place the base (1) consisting of the pump/engine on a stool or bench for ease of assembly.
4.10 ASSEMBLY FOR ITEM 8186751 (ref. pages 46-47) 1. Remove the wooden carton supports that are fastened to the base of the pressure washer sub- assembly by removing the screws (2 per support). 2. Install rubber feet (6) to rear leg (5) using nuts (7). Prior to steps 4 through 6, place the base (1) consisting of the pump/engine on a stool or bench for ease of assembly.
4.11 HOSE REEL INSTALLATION Items 8093247, 8093254, 8093270, 8093262 and 8186751 provide the option of installing a hose reel on the top of the rear handle assembly (see Figure 4 below). Please note that a hose reel is not included with these pressure washers. The 4000 PSI hose reel can be purchased at any Princess Auto store under item number 8055908.
5. OPERATION 5.1 WATER CONNECTIONS Water is supplied to the pump from an external source, normally a garden hose. To safely and efficiently use the pressure washer follow this procedure: 1. Connect the water hose (not supplied) to the inlet swivel ring at the water tap. IMPORTANT! The hose should not be longer than 25 feet to avoid pressure-drop related problems.
5.3 PRIME THE PUMP When using the pressure washer for the first time or after a long storage period, follow this procedure to ensure that the pump primes: 1. Prepare unit and worksite. Turn on the supply water. 2. Hold the trigger for at least one minute until the spray leaves the nozzle in a steady stream (no sputtering).
5.5 WASHING 1. Review Section 5.2. 2. Organize the work to be done. Unwrap as much of the pressure hose that will be required. Position the washer out of the way of the spray. 3. Turn on water supply. 4. Be sure the safety latch is in position under the trigger. 5.
5.6 CHEMICAL ADDITIVES 1. Additives can be introduced into the water only when it is being used in the low-pressure mode (less than 500 PSI). A black, low-pressure nozzle is included for this reason. Install this nozzle when chemical injection is desired. 2.
5.8 STORAGE When placing the pressure washer into storage, follow this procedure: 1. Thoroughly clean the injector valve and additive line with clean water. 2. Spray with the pressure washer for 1 minute using clean water to clean the system of contaminants. 3.
6. MAINTENANCE 6.1 MAINTENANCE SAFETY 1. Stop engine, remove spark plug wire, relieve internal pressure and wait for all moving parts to stop before servicing, adjusting or repairing. 2. Relieve the internal pressure before any maintenance to the spraying system. DANGER! 1.
6.2.2 ROUTINE INSPECTION Regular inspection is the key to preventing breakdowns and prolonging the life of the equipment. Follow these procedures faithfully. 1. Daily a) Check that the nozzle on the spray wand is not clogged or worn. b) CHECK PUMP OIL LEVEL. The oil level should always be at the center of the sight glass. c) CHECK ENGINE OIL LEVEL.
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6.2.3 PULLEY ALIGNMENT & BELT TENSION (for items 8093262 & 8186751) cont’d 1. Belt Tension (cont’d) 1/2” Deflection 10 Lbs Force Figure 5: Belt Tension a) Remove the belt guard. b) Loosen the pump mounting bolts. c) Shift the pump to the point where the correct deflection exists. d) Retighten the pump mounting bolts.
7. TROUBLESHOOTING PROBLEM CAUSE SOLUTION Engine won’t run. No fuel. Add fuel. Carburetor out of adjustment. Refer to Engine Operator’s Manual. Low-oil shutdown is shutting off Add oil to proper level as indicated on engine. dipstick. Pressure Loss. Unloader valve has been Turn unloader clockwise until it locks at loosened (turned counter- original factory preset position.
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