Sumitomo CX - Page 12

HMP-1817E 6 (12/18)
Table 2 Check items, interval and criterion for determination
Item Method Interval Criterion for
determination
Note
A) Amount of
coolant
level gauge Always the level of coolant
shall not be lower
than lower limit.
B) Coolant By seeing Always Coolant shall not rot
and the sludge shall
not grow in tank.
If it discolored
or was
contaminated remarkable,
it is necessary
to renew
the coolant.
C) Suction filter Disassemble
and check
1 3 months
No clogging of filter If the working time of
machine tool is long,
interval of check should be
shortened.
If suction filter clogs,
operating noise of
pump becomes loud.
D) Operating status of pump
1) Noise of pump
and motor
By hearing 1 month Comparing with
initial operating
noise, it shall not be
louder.
Be careful of loosening of
suction pipes by vibration.
2)temperature of
motor
Thermometer 1 month Comparing with
initial operating
temperature, it shall
not be hotter.
Pressure shall not
increase.
3) Vibration of
pump and motor
Touch 1 month No abnormal
vibration
Check also delivery
pipes of pump.
4) Delivery of
pump
Pressure
1 3 months
Pressure does not
lower.
E) Pump
disassembling
check
Return to
us
2 3 years
Abrasion of
components