15
Maintenance
PROBLEM
POSSIBLE CAUSE
SOLUTION
PRESENCE
OF WATER
IN PUMP 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-Ring plunger retainer worn
Check and replace if necessary.
OIL
DRIPPING
FROM PUMP
Oil seal worn
Check and replace if necessary.
EXCESSIVE
VIBRATION
IN HIGH
PRESSURE
HOSE
Irregular functioning of the pump
valves
Check and replace if necessary.
Obstruction in filter
Clean inlet filter.
MOTOR WILL
NOT RUN
Motor overload
Push in the overload button located on the
motor (single phase) or the overload button on
the magnetic start switch (three phase).
Stepdown transformer fuses
Check fuses and voltage. Replace
if necessary.
Coil of magnetic starter defective
Replace coil after the timer and unloader switch
have been tested.
MACHINE
WILL NOT
TURN ON
WHEN SWITCH
IS PUSHED
Timer is defective
Join wires 15 and 16 together on timer.
If machine works, replace timer.
Landa SEA Operator Manual 8.913-999.0 - AK
