Skytrak 6042 Service Manual User Manual download pdf (Page 166)

100

101

Axles, Drive Shafts, Wheels and Tires

5.14

Model 6042 Legacy Origin 7/02

5.3.9 Axle Internal Component

Troubleshooting

Note: The following conditions may be noticed when

inspecting parts during axle repair. Perform all remedies

that apply

to the conditions noticed.

Problem Cause Remedy (See Note)

1. Differential ring gear teeth

broken on the heel of the

tooth.

1. Incorrect alignment of ring and

pinion gears (excessive play).

2. Incorrect pinion (input) shaft

bearing preload.

• Replace ring and pinion gears.

• Adjust ring and pinion alignment

and bearing preload as described

in the ZF Repair Manual.

2. Differential ring gear teeth

broken on the toe of the

tooth.

1. Incorrect alignment of ring and

pinion gears (insufficient play).

2. Incorrect pinion (input) shaft

bearing preload.

• Replace ring and pinion gears.

• Adjust ring and pinion alignment

and bearing preload as described

in the ZF Repair Manual.

3. Rapid differential ring and

pinion gear teeth wear.

1. Insufficient lubrication.

2. Lubricant contaminated.

3. Incorrect lubricant.

• Replace ring and pinion gears.

• Drain axle and fill to correct level with

Universal Tractor Fluid. (Refer to

the appropriate Owners/Operators

Manual.)

4. Differential ring and pinion

gear teeth overheated.

1. Insufficient lubrication.

2. Lubricant contaminated.

3. Incorrect lubricant or level.

• Determine the cause of the

problem and correct.

• Replace ring and pinions gears.

• Drain axle and fill to correct level

with Universal Tractor Fluid. (Refer

to the appropriate Owners/Opera-

tors Manual.)

5. Gear teeth pitted. 1. Insufficient lubrication.

2. Lubricant contaminated.

3. Foreign objects in oil.

• Determine the cause of the

problem and correct.

• Replace gears.

• Drain axle and fill to correct level

with Universal Tractor Fluid. (Refer

to the appropriate Owners/Opera-

tors Manual.)

6. Worn or pitted bearings. 1. Incorrect bearing preload.

2. Insufficient lubrication.

3. Lubricant contaminated.

• Determine the cause of the

problem and correct.

• Replace bearings.

• Adjust bearing preload as described

in the ZF Repair Manuals.

• Drain axle and fill to correct level

with Universal Tractor Fluid. (Refer

to the appropriate Owners/Opera-

tors Manual.)

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