BSC BSJ600LC - Page 27

Trouble Causes Processing method
Pressure does
not drop
Contamination inside the casing or
on the rotor surface.
Decomposition repair(cleaning,
Adjusting clearance).
Connection pipe diameter is too
small
or long.
Change the diameter of the pipe and
shorten the length of the pipe.
Abnormal sound
Panel screws loose.
Tighten the screws.
No oil or low oil level.
Refilling to the correct oil level.
Dust inside the pump.
Decompose and repair, remove dust.
Click sound synchronize with rotation
speed.
Decompose and repair (adjustment of
gears, bearings)
Damage to the pump parts.
Decomposition repair (replace damaged
parts).
Motor rotate in the opposite
direction
Correct wiring.
Motor current
value is
abnormal
Dust in the pump, and the rotor is
difficult to rotate.
Decompose and repair, remove the dust.
Abnormal vibration of rotor and
blade.
Inspection.
High suction pressure continuous
operation.
Adjust pressure.
Oil leakage from
the exterior of
the pump
The oil drain plug is not tightened.
Tighten the oil drain plug.
Side cover O
-ring and flat sealant are
aging.
Decompose and repair. Change the side
cover O
-ring and the flat sealant.