106
MAINTENANCE
Daily Inspection (Every 10 Hours)
Pressurizing the hydraulic tank
1. Start the engine and run it at low speed.
2. With the vent plug (1) removed, set the
safety lock lever to the released position.
¡Hydraulic tank pressurization posture
3. Fully extend the bucket, arm, boom and
swing cylinders.
4. Stop the engine and set the safety lock
lever to the locked position.
5. Tighten the vent plug (1), then pressurize.
Replenishing
1. Slowly turn the vent plug (1) to release
the internal pressure, then remove.
2. Add hydraulic oil up to the middle of the
sight gauge (4).
3. Pressurize the hydraulic tank using the
procedure next.
1
2
3
4
7
6 5
8
G4G009
G4G010
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