Instruction manual

- 9 -
English
fig.7
MAINTENANCE
WARNING: Remove the compressed air from the air
tank before performing the maintenance
operations. Allow the compressor to cool
before performing the maintenance
operations. Always stop engine and pull
out the spark plug cap to prevent any
sudden start of the engine and remove
this compressed air from the air tank
before performing the maintenance
operations.
Read the instruction manual before performing maintenance.
The following procedures must be performed when stopping
the compressor for maintenance or service.
A) Turn off the compressor.
B) Disconnect spark plug wire from engine.
C) Open all drains.
D) Wait for this compressor to cool down before starting service.
air
intake
filter
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. Close tightly when drained.
3. Oil change-oil topping off.
4. Maintenance chart:
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 clean,
cool, dry air supply this filter must always be clean and
ventilation opening must always be free from obstructions.
WARNING: Never clean filtering element with a
flammable liquid or solvent.
CAUTION: Do not operate without the intake filter.
MAINTENANCE CHART
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
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. As regards 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
All quality compressors will eventually require servicing or replacement of parts because of wear and tear from normal use.
To assure that only authorized/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.