7-24 BA ET18, 20, 24 en* 1.5 * et18_20_24w700.fm
7 Maintenance
Live ring (ball bearing race)
Crushing hazard. Do not tilt or rotate the upper carriage during
lubrication!
Serious crushing hazard causing death or serious injury!
► Park the machine as shown in Fig. 250.
► Do not rotate the upper carriage.
► Do not tilt the upper carriage if the machine is equipped with the
Vertical Digging System option.
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. Raise the control lever base.
5. Apply grease to lubrication point 10 with one stroke of the grease gun.
6. Start the engine, raise the boom and the stabilizer blade.
7. Rotate the upper carriage by 90°.
8. Repeat steps 2 – 7 three times until the upper carriage is back in its
initial position.
9. Rotate the upper carriage several times by 360°.
Keep the lubrication points clean and remove ejected grease.
Fig. 251Lubrication point of ball bearing race
10
Fig. 252Rotate the upper carriage by 90° at a time
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