16
High Pressure Washer
Problem Cause Correction
Pump has following problems: 1. Nozzle in low pressure mode. 1. Pull nozzle backward for high
failure to produce pressure, erratic pressure mode.
pressure, chattering, loss of pressure, 2. Water inlet is blocked. 2. Clear inlet.
low water volume. 3. Inadequate water supply. 3. Provide adequate water flow.
4. Inlet hose is kinked or leaking. 4. Straighten inlet hose, patch leak.
5. Clogged inlet hose strainer. 5. Check and clean inlet hose
strainer.
6. Water supply is over 140°F. 6. Provide cooler water supply.
7. Outlet hose is blocked or leaks. 7. Clear blocks in outlet hose.
8. Gun leaks. 8. Replace gun.
9. Nozzle is obstructed. 9. Clear nozzle.
10. Pump is faulty. 10. Contact Generac service facility.
Detergent fails to mix with spray. 1. Chemical injection tube is not submerged. 1. Insert chemical injection tube into
detergent.
2. Chemical injection tube filter is clogged. 2. Clean or replace filter/chemical
injection tube.
3. Nozzle is in high pressure mode. 3. Push nozzle forward for
low pressure mode.
Engine runs well at no-load but bogs Engine speed is too slow. Move throttle control to FAST .
when load is added. position. If engine still bogs down
contact Generac service facility.
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