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Troubleshooting and Measures to take
Trouble
Cause
Measures to take
Little grease left in the reservoir.
Refill the reservoir or replace cartridge
with the same or equivalent grease.
Air in the pump.
Bleed air.
No grease discharged
from pump
Insufficient move of the handle.
Move the handle until it does
not move.
No grease discharged from pump
due to any of above causes.
Refer to above measures.
Air in the tubing.
Take off closure plug(s) at the end
and operate pump and bleed air in
the tubing.
Foreign particle(s) at the Ball seating
section of relief valve.
Contact LUBE
Pump discharge pressure is low due to relief
valve’s wrong pressure setting.
Contact LUBE
The relief valve pressure has been set
before shipment.
Grease leaking from pump discharge port
or pipe connection parts.
(Due to looseness or excessive tightness)
Tighten them with proper torque or re-pipe
them.
Damaged tubing.
Replace damage tubing.
Pressure in main tubing
is not built up
Handle is pushed to reservoir too much.
（
Depressurize valve is opened.
）
Operate the handle at correct range.
Air in the system due to above reasons. Refer to above measures for
“
Air in the
pump
”
and
“
Air in the tubing
”
.
Air in the system
Due to low level of grease in tank or
cartridge, air is introduced into pump.
Refill reservoir with same or equivale
nt grease or replace cartridge and then
bleed air.
Clogged valve(s)
Replace valve(s)
No grease discharged from
valve(s)
No grease is filled in tail tubing.
Fill tail tubing with grease at installation.
