Hanshin Machinery GRH 3 series, User Manual

Page: 58 / 79

58 / Hanshin
7. Maintenance
7-2 Maintenance Methods
1. Replacement and cleaning of inhalation filter / 3000hr
The inhalation filter diff. pressure during operation
is 4.98kpa [508mmH2O]. The inhalation filter
should be maintained according to the standard
maintenance criteria.
Open the front left of the sound proof cover.
Open the inhalation filter cover and detach the
filter.
After detaching the filter, a special attention
should be paid to avoid any impurities or dust
from inserting into the inhalation valve.
Clean the compressor air to clean up the
inhalation filter.
If it is time to replace the filter, immediately
replace the filter.
Open the front left of the sound proof cover.
Open the drain valve located at the bottom of
the separator tank, discharge the used lubricant
and then, close it again.
Open the lubricant inlet and replenish
lubricant. Keep inserting it until it indicates the
upper limit.
If lubricant is completely replenished, operate
the compressor, stop it, check the flowmeter
and replenish it more if the level is not
sufficient.
Open the front left of the sound proof cover.
Loosen the oil filter by using chain wrench or
other tools.
To couple the oil filter, apply small quantity of
oil on O-ring by hands and smoothly tighten it
by using wrench or other tools.
Visually check whether it has any oil leakage
while operating the compressor.
Inhalation filter
cover
Inahaltion filter
Separator tank
Lubricant inlet
Flowmeter
Drain valve
Oil filter