Landa SEHW6-3500, Руководство оператора, Страница: 14 / 38

LANDA SEHW • 8.913-932.0 • Rev. 02/12a
PRESSURE
W
ASHER
Tr
oub
leshooting Guide
14
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
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 temperature of liquid Reduce to below 60°C (140°F).
Foreign 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.
Piston packing worn Check and replace if necessary.
WATER
DRIPPING
FROM UNDER
PUMP
Piston packing worn Check and replace if necessary.
O.R. Plunger retainer worn Check and replace if necessary.
Cracked ceramics Check and replace if necessary.
OIL DRIPPING
Oil seal worn Check and replace if necessary.
Cracked manifold Check and replace if necessary.