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CAUTION
When performing any inspection or maintenance
on the remote system, always use care to
prevent injury or damage to the equipment.
The following are general precautions, which
should be closely followed in carrying out any
maintenance work.
Do not have hydraulic power available to the
valves when performing electrical tests.
Never operate or test any function if any person
is in an area where they could be hurt by being
hit or squeezed by the hydraulic equipment.
Turn
power
off
before
disconnecting valve coils or other electrical
loads.
10.2 HYDRAULIC SYSTEM
10.2.1 Hydraulic Oil Filter Change
A hydraulic oil fi lter change is recommended
annually or every 400 hours of operation, or
whenever the oil fi lter fl ow gauge indicates the
need for a fi lter change.
NOTICE
Never run the hydraulic pump unless the hydraulic
oil tank is full (indicated in sight level gauge).
1. Loosen the four bolts on the cover, rotate it
slightly, and lift off the cover with fi lter.
2. Remove the old oil fi lter. Apply a thin coat of
oil to the rubber seal of the new oil fi lter and
connecting
or
press into place on the cover.
3. Reinstall the cover and tighten the four bolts.
4. Start the engine and cycle all the cylinders
several times.
5. Recheck the oil level in the tank and add as
needed.
10.2.2 Hydraulic Oil Change
Annually, a sample of hydraulic oil should be taken
to a dealer with oil analysis capability. When
analysis shows the need to change the oil, use the
following procedure. Use an AW HVI Hydraulic
ISO 32 oil.
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