32
6-3 Troubleshooting
When troubles occur, take the measures as defined in the chart below.
Trouble
Cause
Measures to take
No grease
discharged from
pump
Little grease left in the tank
or the cartridge
Replenish with grease
of the same brand and
grade as the grease
currently used, or
replace the cartridge
with a new one
Refer to
"5.
Refilling
grease
"
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
Pump does not operate
Check the wiring of power supply,
and if it is wrong, correct the
wiring
Check the supply power voltage,
and if it is out of specification,
correct it
If the motor operation time
exceeds 1,500 hours (NLGI 00 =
500 hours), or if the number of
solenoid operation cycles exceeds
3 million, contact us
Air in the pump
Bleed air
Refer to "6-1
Bleeding air"
The filter is clogged (for
a type with a filter)
Replace the filter
Refer to "6-2-3
Replacement of
filter"
Problems with the pumping
unit or the relief unit (such
as foreign particle)
Replace the pumping unit or the
relief unit
Refer to "6-2-1
Replacement of
pumping unit" or
"6-2-2 Replacement
of relief unit"
