Troubleshooting - Landa VNG/VLP3-11021D Operator's Manual

VNG/VLP SERIES PRESSURE WASHER
PROBLEM
FLUCTUATING
PRESSURE
PUMP NOISY
PRESENCE OF WATER
IN OIL
WATER DRIPPING
FROM UNDER PUMP
OIL DRIPPING
EXCESSIVE
VIBRATION IN
DELIVERY LINE
RELIEF VALVE LEAKS
WATER

TROUBLESHOOTING

POSSIBLE CAUSE
Valves worn
Blockage in valve
Pump sucking air
Worn piston packing
Air in suction line
Broken or weak inlet or
discharge valve springs
Excessive matter in valves
Worn bearings
Oil seal worn
High humidity in air
Piston packing worn
O-Ring plunger retainer worn
Oil seal worn
Irregular functioning of the
valves
Relief valves defective
OPERATOR'S MANUAL
SOLUTION
Check and replace if necessary.
Check and replace if necessary.
Check water supply and air seepage at joints in
suction line.
Check and replace if necessary.
Check water supply and connections on suction
line.
Check and replace if necessary.
Check and clean if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and change oil twice as often.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Check and replace if necessary.
Replace or repair.
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