BA ET16 de* 1.0 * et16w700.fm 7-11
Maintenance 7
Live ring (ball bearing)
Danger of crushing when lubricating the ball bearing race!
Serious crushing danger causing death or serious injury!
► Park the machine as shown in Fig. 210.
► Do not rotate the upper carriage.
1. Park the vehicle on firm, level, and horizontal ground.
2. Lower the boom and the stabilizer blade to the ground.
3. Stop the engine, remove the starting key and carry it with you.
4. Apply grease to lubrication point 10 with two strokes of the grease
press.
5. Start the engine, raise the boom and the stabilizer blade.
6. Rotate the upper carriage by 90°.
7. Repeat steps 2-6 three times until the revolving superstructure is back
in its initial position.
8. Rotate the upper carriage several times by 360°.
Keep the lubrication points clean and remove any escaping grease.
Teeth of live ring
The live ring gear is maintenance-free.
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