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COMMON SERVICE PROBLEMS
Single-Reduction Hypoid Drive Unit

Maintenance Manual For Crane, Truck Mounted Hydraulic 25 Ton (CCE) Page Navigation
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TM 5-3810-300-24 & P2
COMMON SERVICE PROBLEMS (continued)
PROBLEM
REMEDY
HARD PEDAL
1. Worn pedal linkage
1. Replace with new linkage.
2. Binding in pedal linkage
2. Lubricate and adjust.
3. Excessive spring pressure in cover
3. Install proper cover assembly.
assembly.
4. Contact pad of release bearing
4. Replace carrier and shifter yoke.
carrier worn by shifter yoke.
Also check for proper hook-up to
provide best linkage operating po-
sitions.
SLIPPAGE
1. Oil or grease on facing.
1. Replace facing or install new driv-
en disc assembly and correct oil
leak.
2. Loose or worn facings.
2. Replace facings or install new driv-
en disc assembly.
3. Flywheel burned, checked or cracked
3. Replace or regrind.
4. Insufficient plate pressure
4. Install new cover assembly.
5. Improper "A" dimension (Type ML
5. Refer to "A" dimension chart for
only).
Type ML. Adjust to correct setting.
6. Binding in pedal linkage
6. Lubricate and adjust.
7. Improper facing material
7. Use correct facing or replace disc
assembly.
VIBRATION
1. All or part of power train out of
1. Check each unit individually and
balance.
recheck as a complete assembly.
2. One or more units in power train out
2. Check and align (replace faulty
of alignment.
component).
3. Worn splined shaft
3. Replace.
4. Worn crankshaft bearings
4. Replace.
5. Worn or loose engine mounts
5. Replace or tighten.
6. Loose or out of balance universal
6. Tighten or replace - check for
joint.
balance.
7. Clutch out of balance
7. Install balance unit.
8. Worn disc splines
8. Replace disc.
SUMMARY OF PROBLEMS AND SOLUTIONS - Generally if the flywheel, engine mounts, transmission
shaft, and power train are all installed properly and operating correctly, then the correct clutch, properly
installed, will do the job in the vehicle.
4-229


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