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Maintenance; Service And Repairs - Hitachi EC 79 Safety And Instruction Manual

Hitachi air compressor instruction manual ec 79
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WARNING: Check the manufacturer's maximum
pressure rating for nailers, staplers and
accessories. Compressor outlet pressure
must be regulated so as to never exceed the
maximum pressure rating of the nailers,
staplers and accessories.
Knob of the pressure switch
Pressure gauge (A)
indicates the pressure
in the air tank
Fig.3
3.
Shutdown
(1) Push the knob of the pressure switch to "OFF"
(Refer to Fig. 1 and Fig. 2).
(2) Unplug the plug from power source.
(3) Open the drain cock located at the lower part of the tank
(Fig. 4).
WARNING: Risk of bursting. When the tank gets cor-
roded, there is a risk of breakdown. Water
will condense in the air tank. If not drai-
ned, water will corrode and weaken the air
tank causing a risk of air tank rupture.
Drain tank daily or after 4 hours of use. The
drain contains moisture in the air, abra-
sion particles, rust, etc.. To drain tank
open valve slowly and tilt compressor to
empty accumulated water. Keep face and
eyes away from drain cock.
Drain cock
Knob
of
the
pressure reducer
Pressure gauge
(B) indicates the
working pressure
Tank
Fig.4

MAINTENANCE

WARNING: Disconnect the compressor from the
power source and remove the compressed
air from the air tank before performing the
maintenance operations. Allow the
compressor to cool before performing the
maintenance operations.
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. 5). 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.
Filter element
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. 4).

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.
- 9 -
English
Intake filter
Fig.5

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