Product Manual

29
Small repairs - do it yourself
Proceeding:
Switch o the high pressure cleaner and
pull plug from socket. Stop water supply.
Unscrew pump outlet.
There is no guarantee if the high pressure 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 in-
side pump housing for soiling or damage.
If sealing rings are defective replace
O-rings at once.
Problem
After closing the safety trigger gun the high pressure cleaner
keeps switching on and o.
The stainless steel pressure gauge continuously displays full pressure.
Possible cause No. 2
The non-return valve is defective.