23
Small repairs - do it yourself!
Proceeding:
Switch o the HP cleaner and pull plug from
socket. Stop water supply. Disassemble pipe
connection to hose drum. Unscrew pump
outlet
.
There is no guarantee if the pump is damaged by
defective O-rings due to air induction or lack of water (cavitation).
Remove check body and check O-Ring for
soiling or damage.
Also check seal seat inside pump housing
for soiling or damage.
If sealing rings are defective replace
O-rings at once.
Problem:
After closing of the trigger gun with safety catch the machine keeps switching
on and o.
Possible cause no. 2:
The non-return valve is defective.