114
MAINTENANCE
Every 50 Hours
2. Using the grease gun, insert grease
through the grease nipple (3) in the grease
discharge valve (2).
3. Inspect the crawler tension.
Decreasing the tension
1. Remove the cover (1).
2. Using the Spanner, slowly loosen the
grease discharge valve (2) and drain the
grease.
If the grease does not drain easily, move
the machine forward or backward.
3. Tighten the grease discharge valve (2).
¡Tightening torque: 177 N·m (130 ft.lb.)
Lubricating the Slew Bearing
WARNING
Do not slew while lubricating. Doing so
is dangerous, as you may get caught in
the machine.
1. Stop the engine with the machine in the
posture shown on the diagram above.
2. Use the grease gun to supply grease to
the grease nipple (1).
3. Start the engine, lift the bucket and slew
clockwise 90°.
4. Ground the bucket and stop the engine.
5. Repeat steps 2 to 4 above three times.
6. Wipe off the grease expelled from the slew
bearing and grease nipple.
J1G016
1
E4G026
D5G026
1
2
3
L4G010
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