TROUBLE SHOOTING
FAULT | CAUSE | REMEDY |
|
|
|
Pump running normally but | Pump sucking air. | Check that hoses and fittings |
pressure does not achieve rated |
| are air tight. |
pressure. | Valves worn or dirty. | Check, clean or replace. |
| Insufficient water flow. | Increase water supply. |
| Unloader valve packing worn. | Check and replace. |
| Nozzle incorrect or worn. | Check and replace. |
| Worn piston packing. | Check and replace. |
|
|
|
Fluctuating pressure | Valves worn, dirty or stuck. | Check, clean or replace. |
| Pump sucking air. | Check that hoses and fittings |
|
| are air tight. |
| Worn piston packing. | Check and replace. |
| Insufficient water flow. | Increase water supply. May |
|
| require new water supply |
|
| source. |
|
|
|
Pressure drops after period of | Nozzle worn. | Check and replace. |
normal use. | Valves worn, dirty or stuck. | Check, clean or replace. |
| Unloader valve packing worn. | Check, clean or replace. |
| Worn piston packing. | Check and replace. |
|
|
|
Pump noisy | Pump sucking air. | Check that hoses and fittings |
|
| are air tight. |
| Valves dirty or worn. | Check, clean or replace. |
| Worn bearings. | Check and replace if necessary. |
| Water too hot. | Reduce temperature. |
|
|
|
Presence of water in oil | High humidity in air. | Check and change oil twice as |
|
| often. |
| Piston packing and oil seal | Check and replace. |
| worn. |
|
|
|
|
Water dripping from under | Piston packing worn. | Check and replace. |
pump. | The | Check and replace. |
| retainer worn. |
|
| Thermal relief valve opened. | Check and replace. |
|
|
|
Oil dripping. | Oil seal worn. | Check and replace. |
|
|
|
Engine will not start. | Low fuel level. | Add fuel. |
| Low oil level. | Add oil. |
| Worn spark plug or gap. | Replace. |
|
|
|
H.E.R.O. Industries
Page 7 | Pressure Washer Owners Manual |