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All quality compressors will eventually require servicing or
replacement of parts because of wear and tear from normal
use. To assure that only genuine 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.
English
1. Cleaning the air intake filter
This filter is designed to clean air coming into the pump
(Fig 7). To ensure the pump continually receives a clean,
cool, dry air supply this filter must always be clean and
ventilation opening must always be free from obstructions.
NOTE:
Replace the filter element when it becomes dirty.
2. Draining tank:
Gradually open the drain valve, and drain out the air
in the tank. (Fig. 6)
Close tightly when drained.
3. Maintenance chart:
The pump oil must be changed after the first 50 hours of
operation and every 200 hours or 3 months, whichever
comes first.
Open the pump oil cock and replace pump oil. (Fig. 1)
As reguards the engine, follow instructions in the engine
manual.
Every 2 years, an Authorized Service Technician should
check the check valve, intake valves and delivery valves.
SERVICE AND REPAIRS
Fig. 7
Pump
Filter housing (rear)
Air Intake Filter
Filter housing
(front)
PROCEDURE AFTER USE DAILY WEEKLY MONTHLY 200 HOURS
Check pump oil level X
Oil leak inspection X
Drain condensation
in air tank (s) X X
Inspect guards/covers X
Check for unusual
noise/vibration X
Check for air leaks X
Clean exterior of
compressor X
Inspect air filter X
Check safety relief
valve X
Inspect belt tension X
Change pump oil X
Replace air filter X
MAINTENANCE CHART