Flexible Drive Coupling - Check Oil Level - Komatsu 06253 Operation & Maintenance Manual

Hydraulic mining shovel
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MAINTENANCE

4.11.2 FLEXIBLE DRIVE COUPLING - CHECK OIL LEVEL

See illustration Z 20703
NOTICE
The Engine must be out of operation for approximately
30 minutes before checking the oil level. This period is nec-
essary for settling of the oil in the lower part of the coupling
housing.
1. Remove guard (1).
2. Turn flexible coupling by using barring device (2) to bring oil
level gauge (3) in its uppermost (12 o'clock) position.
REMARK
To use the barring device, remove the clip and push the
device shaft toward the flywheel. The barring device must be
rotated counterclockwise to turn the flywheel (flexible coupling) in
the direction of normal rotation.
3. Unscrew gauge (3), wipe it clean and insert into the gauge
opening.
DO NOT screw in. Pull out gauge (3) and read the oil level.
4. If necessary add oil through gauge opening to bring the oil
level up to the "MAX" mark on gauge (3). To speed-up the fill-
ing procedure, remove bleeder screw (4) and warm up the oil
to approximately +30°C.
5. Insert gauge (3) with packing ring and bleeder screw (4) with
packing ring and tighten securely.
6. Check area (A) for leakage. If oil leakage is found (radial
traces of oil), O-rings (5) must be checked for damage and
replaced if necessary.
7. Install guard (1).
4.11 EVERY 500 OPERATING HOURS OR MONTHLY
335

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