| Shallow brake (1) Sight gauge for the hoist and brake cooling(2) Sight gauge for the brake actuation oil |
| Steep brake (1) Sight gauge for the hoist and brake cooling(2) Sight gauge for the brake actuation oil |
Check the oil level in the hydraulic tank. Look for air or water in sight gauge (1) and sight gauge (2). Add oil to the hydraulic tank, if necessary. See the Operation and Maintenance Manual for the correct type of oil.
Problem: There is an indication of water in the oil.
Probable Cause
| Shallow brake (3) Rear brake oil cooler(4) Front brake oil cooler |
| Steep brake (3) Rear brake oil coolers(4) Front brake oil cooler |
- Failure of the rear brake oil cooler (3)
- Failure of either front brake oil cooler (4) or front brake oil cooler (5)
Problem: There is an indication of air in the oil.
Probable Cause
- There is leakage in the oil lines. See "Check for oil leakage".
Problem: The oil level is too low.
| Typical view of a final drive plug |
Probable Cause
- There is leakage in the oil lines. See "Check for oil leakage". Add oil before you perform any tests.
- Brake cooling oil may leak into the final drive. Check the oil level in each final drive.
MARYGAR
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