Landa VLP3-1100, Руководство оператора

Страница: 39 / 44

VNG/VLP SERIES PRESSURE WASHER
OPERATOR’S MANUAL
39
TROUBLESHOOTING
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.
PRESENCE OF WATER
IN OIL
Oil seal worn Check and replace if necessary.
High humidity in air Check and change oil twice as often.
WATER DRIPPING
FROM UNDER PUMP
Piston packing worn Check and replace if necessary.
O-ring plunger retainer worn Check and replace if necessary.
OIL DRIPPING Oil seal worn Check and replace if necessary.
EXCESSIVE VIBRATION
IN DELIVERY LINE
Irregular functioning of the valves Check and replace if necessary.
RELIEF VALVE LEAKS
WATER
Relief valves defective Replace or repair.