Kärcher Landa VLP Series, Operator'S Manual

Page: 32 / 82

32
Maintenance
PROBLEM POSSIBLE CAUSE SOLUTION
FLUCTUATING
PRESSURE
Valves worn Check and replace if necessary.
Blockage in valve Check and replace if necessary.
Pump sucking air
Check water supply and air seepage at joints in
suction line.
Worn piston packing Check and replace if necessary.
PUMP NOISY
Air in suction line
Check water supply and connections on
suction line.
Broken or weak inlet or discharge
valve springs
Check and replace if necessary.
Excessive matter in valves Check and clean if necessary.
Worn bearings Check and replace if necessary.
Landa VNG Operator’s Manual 8.913-939.0 - AB