5-28
MAINTENANCE
LUBRICATING THE SLEW BEARING
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 figure above.
2. Use the grease gun to grease the grease
fitting (1).
EVERY 50 HOURS
3. Start the engine, lift the bucket and slew
clockwise 90°.
4. Lower the bucket to the ground, and then
stop the engine.
5. Repeat the steps 2 to 4 above three
times.
6. Wipe off the grease expelled from the slew
bearing and grease fitting.
LUBRICATING THE SLEW MOTOR PINION
1. Stop the engine with the machine in the
posture shown on the figure above.
2. Use the grease gun to lubricate the grease
fitting (2).
3. Wipe off the excess grease.
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