YO99-0874-DI-002-18
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6. Maintenance and Check
6.1 Maintenance
Conduct the maintenance regularly in appropriate check interval. Maintenance period shall differ
depending on the operation purpose. Set the interval once a day at first. Once a week from next week if
you had no problem, then conduct once a month for example. We recommend you, however, to conduct
visual checks and check on the utility every day to see the system condition.
(1) You should check following points at least once per three days while you continue operation.
(2) Whether the Vacuum oil pump oil volume is between two level lines or not.
(3) Check the machine much more frequently during high overload operation (continuous operation
1kPa or more, repeated exhaust atmospheric pressure – vacuum).
(4) Whether the Vacuum pump oil is discolored or not.
(5) Whether the Coolant flows by specified volume.
(6) Whether there is no foreign noise.
(7) Whether there is anything strange in the Motor current value.
(8) Whether there is no water leak.
Summary of Contents for PRC-003A
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