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Fig.9
Fig.10
1. Cleaning 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 air (Fig. 9). Use a phillips
screwdriver to disassemble intake filter.
WARNING: Never clean filter element with a flammable
liquid or solvent.
CAUTION: Do not operate without the intake filter.
NOTE: Replace the filter element when it becomes dirty.
2. Draining tank
Drain tank daily or after 4 hours of use. Open drain
cock and tilt compressor to empty accumulated
water (Refer to Fig. 7).
3. Oil change-oil topping off
CAUTION: Overfilling with oil will cause premature
compressor failure. Do not overfill.
(1) Within the first 50 hours of operation, completely
replace the oil of the pumping element. Unfasten the oil
drain cap on the casing cover, drain all the oil, and
screw the cap back on (Refer to Fig.1 and to Fig.10).
Intake filter
Filter element
Pour oil into the hole of the dipstick.
To the level indicated on the dipstick (Refer to Fig.4).
For oil replacement, follow the table below.
OIL TYPE
SAE 5W50 SYNTHETIC OIL (-20° + 120°F)
For both summer and winter use
SAE 10W40 MULTI-GRADED OIL (+50° +120°F)
For warm weather use only
(2) Check the oil level of the pumping elemt every 50 hours
or once a week.
(3) Change the oil every 300 working hours or every 6
months.
Drain cap
SERVICE AND REPAIRS
All quality compressors will eventually require servicing or
replacement of parts because of wear from normal use.
To assure that only authorized replacement parts will be used,
all service and repairs must be performed by a HITACHI
AUTHORIZED SERVICE CENTER, only.
NOTE: Specifications are subject to change without any
obligation on the part of the HITACHI.