User Manual

Problem
Cause
Possible
Solution
ELECTRIC PRESSURE WASHER
13
Water leaking on the
pump.
Oil leaking on the pump.
When stop the spray gun,
the pressure doesn't
return to zero but rise &
fall continuously.
1) Some O-ring worn off.
2) Oil seal worn off.
3) Add to much oil to the
crankshaft case.
4) Air vent clogged.
1) Returning valve damage
on outlet pump side.
1) Supporting ring worn off
2) Water seal worn off.
3) Plunger worn off.
1) Replace the supporting
ring.
2) Replace the water seal.
3) Replace the plunger.
1) Replace some O-rings.
2) Replace the oil seal.
3) Drain some oil until the
oil level is in middle or 2/3
level of the oil window.
4) Clear the air vent.
1) Replace the returning
valve.
Pressure unloads.
1) Replace some O-rings
or go to agent for repairs.
2) Clear pressure loader.
3) Replace the Mushroom
nail.
4) Tighten the connecting
or replace the gun.
1) Pressure valve leaking
water.
2)Pressure loader clogged
3)Mushroom nail worm off
4) Connecting between gun
and hose leaking or gun
leaking.