33
Trouble
Cause
Measures to take
Pressure in main
tubing is not built
up
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 tubing
Grease leaking from
pump discharge port or
pipe connection parts on
machine
(Due to looseness or
excessive tightness)
Tighten them with proper
torque or re-pipe them
For proper torque,
refer to "Tightening
level for connecting
Sections" of the next
page
Damaged tubing
Replace damage tubing
Air in the system
Air in the system due to
above reasons
Refer to above measures for
"Air in the pump" and "Air in
the tubing"
Due to a low level of grease
in the tank or the cartridge,
air is introduced into the
pump
Replenish with grease of the same
brand and grade as those of the
currently used grease, or replace
the cartridge with a new one. After
that, bleed air
The distributer (the
valve and the grease
supply pipe) does not
discharge grease
No grease is filled in the
grease supply pipe
Fill tail tubing with grease at
installation
Clogged valve(s)
Replace valve(s)
Pressure in pipe
does not decrease
properly
The cartridge or grease
used is not what we
designated
Install a designated cartridge
or use designated grease, and
then replace the grease in the
pipes and valves
NLGI# of grease and
ambient temperature do
not match
Check NLGI# and ambient
temperature
Crashed tubing
Replace the tubing
