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MAINTENANCE
EVERY 500 HOURS
EVERY 500 HOURS
REPLACING THE HYDRAULIC OIL
RETURN FILTER
Refer to "Replacing the hydraulic oil return
filter" on page 5-24.
REPLACING THE WATER SEPARATOR
FILTER
• Do not smoke or permit open flames
while handling fuel or working on the
fuel system.
• Stop the engine in a well-ventilated
place and allow it to cool down before
performing maintenance.
• Clean up spilled fuel immediately.
1. Open the engine hood.
2. Close the valve (2).
3. Loosen the ring (3) and remove the case
(4).
4. Remove the spring (7) and the indicator
ring (6) from the case (4).
5. Clean the case (4).
6. Inspect the O-ring. If there are any
scratches or other irregularities, replace it.
7. Replace the element (5) with a new one.
8. Install the indicator ring (6) and the spring
(7) in the case (4).
9. Install the case (4) to the bracket and
tighten the ring (3) by hand.
10 Open the valve (2) to bleed air.
Refer to "Bleeding air from the fuel
system" on page 6-8.
5-38
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