Disconnect the compressor from the
power source and remove the
compressed air from the air tank
before performing the maintenance
the intake filter
Remove the intake filter (Refer to Fig. 1.) every 50
hours or once a week and clean the inside of the
intake filter and the filter element with compressed
Use a phillips
Never clean filter element with a
liquid or solvent.
Pour oil into the hole of the dipstick.
To the level indicated
on the dipstick (Fig. 4).
For oil replacement,
the table below.
SAE 5W50 SYNTHETIC
For both summer
SAE 10W40 MULTI-GRADED
For warm weather
(2) Check the oil level of the pumping
50 hours or once a week.
(3) Change the oil every 300 working
hours or every 6
SERVICE AND REPAIRS
All quality compressors
of parts because of wear from normal
To assure that only authorized
parts will be
used, all service and repairs must be performed
SERVICE CENTER, ONLY.
are subject to change without
on the part of the HITACHI.
Replace the filter element when it becomes dirty.
Drain tank daily or after 4 hours of use. Open drain
and tilt compressor
to empty accumulated
water. (Fig. 6).
(1) Within the first 50 hours of operation,
replace the oil of the pumping
the oil drain cap on the casing cover, drain all the
oil, and screwthe
cap back on (Fig. 8).