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Troubleshooting
Problem Cause Correction
Pump has following
problems: failure to
produce pressure, loss
of pressure, low water
volume.
1. Low pressure spray tip installed.
2. Inadequate water supply.
3. Clogged inlet hose screen.
4. Spray tip is obstructed.
5. Connections leak.
6. High pressure hose or spray gun leaks.
1. Replace with high pressure spray tip.
2. Provide adequate water flow.
3. Check and clean inlet hose screen.
4. Clean spray tip. See Spray Tip
Maintenance.
5. Tighten connections or replace o-rings.
6. Replace.
Detergent fails to mix with
spray.
1. High pressure spray tip installed.
2. Check ball stuck in detergent siphoning
system.
3. Detergent siphoning tube is clogged or
cracked.
1. Replace with low pressure black spray tip.
2. Free check ball. See Detergent Siphoning
Check Ball.
3. Clean or replace detergent siphoning tube.
Engine will not start;
starts and runs rough or
shuts down when running.
1. Engine switch set to off (0) position.
2. Fuel shut-off lever is in off position.
3. Low oil level.
4. Dirty air cleaner.
5. Out of fuel.
6. Spark plug wire not connected to spark
plug.
7. Flooded with fuel.
1. Set switch to on (I) position.
2. Move fuel shut-off lever to on position.
3. Fill crankcase to proper level or place
pressure washer on level surface.
4. Clean or replace air cleaner.
5. Fill fuel tank.
6. Connect wire to spark plug.
7. Wait 5 minutes and re-crank engine.
Idle control (if equipped)
not functioning.
Idle control cable is loose. Contact local authorized dealer.
For all other issues, see an authorized dealer.
*This pressure washer is rated in accordance to the Pressure Washer Manufacturers’ Association (PWMA) standard PW101-2018
(Testing and Rating Performance of Pressure Washers).
Specifications
Model CMXGWAS020790 Model CMXGWAS020791
White, 40
°
2700 PSI (186 bar) @ 2.3 GPM (8.7 L/min)* 2700 PSI (186 bar) @ 2.5 GPM (9.5 L/min)*
Green, 25° N/A 3000 PSI (207 bar) @ 2.3 GPM (8.7 L/min)*
Yellow, 15
°
2800 PSI (193 bar) @ 2.3 GPM (8.7 L/min)* 3000 PSI (207 bar) @ 2.3 GPM (8.7 L/min)*
Red, 0
°
3000 PSI (207 bar)* @ 2.2 GPM (8.3 L/min) 3300 PSI (228 bar)* @ 2.1 GPM (7.9 L/min)
Water Supply
Temperature
41°F (5°C) - 100°F (38°C) 41°F (5°C) - 100°F (38°C)
min Water Supply Flow
Rate
3.3 GPM (12.5 L/min) 3.5 GPM (13.25 L/min)
min Water Supply
Pressure
20 PSI (1.38 bar) 20 PSI (1.38 bar)
Engine Displacement 12.69 in
3
(208 cc) 12.69 in
3
(208 cc)
Spark Plug Gap 0.030 in. (0.76 mm) 0.030 in. (0.76 mm)
Oil Capacity 20 oz (0.6 L) 20 oz (0.6 L)
16 Craftsman.com
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