Landa VLP3-1100 Operator's Manaul page 39

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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