Harbor Freight Tools 91142 - Manual (Page 9)

SKU 91142 For technical questions, please call 1-800-444-3353. Page 9
Maintenance
1. Wipe down the entire unit with a clean cloth. Do not use any solvents.
2. Store the unit in a clean and dry location, away from anything flammable.
3. Read and follow maintenance instructions for the engine in the Robin Subaru 6 HP
Engine Maintenance Manual.
4. If water in leaking from connections during operation, shut down the Pressure Washer
and retighten all connections.
Troubleshooting Tips
Symptom Possible cause Solution
Engine will not start Gas tank empty
Low oil level
Choke is not in correct position
Engine throttle set too low
Pressure build up in pump 1.
2.
3.
4.
5. Fill gas tank
Add oil
Close choke
Increase throttle setting
Squeeze trigger to release pressure 1.
2.
3.
4.
5.
Does not produce
high pressure
Diameter of water supply hose too small
Water supply is restricted
Not enough water supply
1.
2.
3.
Replace garden hose with a ¾ inch
hose
Check water supply hose for kinks,
leaks, or blockage
Open water faucet all the way
1.
2.
3.
Output pressure
varies
Not enough water supply
Water inlet screen is clogged
Nozzle is clogged
Nozzle has mineral build up
1.
2.
3.
4.
Check water supply hose for kinks,
leaks, or blockage. Open faucet all
the way
Remove inlet screen and rinse out
Remove nozzle and clean
Remove nozzle and clean with
vinegar
1.
2.
3.
4.