TM-9-2520-238-34
M113A1 FOV, M113A2 FOV, M548 AND M548A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL; RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE
TM-9-2520-238-34 - Page 42 of 319
TM 9-2520-238-34
DIFFERENTIAL MAKES EXCESSIVE NOISE OR VIBRATES WHILE MOVING
0010 00
INITIAL SETUP:
Maintenance Level
Direct/General Support
Tools and Special Tools
General mechanic’s tool kit (WP 0033 00, Item 37)
Personnel Required
Track Vehicle Repairer
References
See your -20
Equipment Condition
Differential removed from carrier (See your -20)
Disassemble for inspection per repair differential right
angle gearbox (WP 0028 00)
Repair output shaft assemblies (WP 0024 00)
T
1.
Inspect bevel gear backlash to see if it has been adjusted.
2.
Has bevel gear backlash been adjusted?
YES
NO
TN
1.
Adjust bevel gear backlash
(WP 0028 00).
2.
Verify no faults found.
Y
1.
Inspect shaft gear bearing to see if it has been adjusted.
2.
Has shaft gear bearing been adjusted?
YES
NO
YN
1.
Adjust shaft gear bearing
(WP 0028 00).
2.
Verify no faults found.
2Y
1.
Inspect shaft gear bearings for damage.
2.
Are shaft gear bearings undamaged?
YES
NO
2YN
1.
Replace damaged shaft gear bearings
(WP 0028 00).
2.
Verify no faults found.
3Y
1.
Inspect bevel gear shaft bearings (WP 0029 00).
2.
Are bevel gear teeth undamaged?
YES
NO
3YN
1.
Replace damaged bevel gear shaft
bearing (WP 0028 00).
2.
Verify no faults found.
4Y
1.
Inspect output shaft bearings.
2.
Are output shaft bearings serviceable?
YES
NO
4YN
1.
Replace output shaft bearings
(WP 0024 00).
2.
Verify no faults found.
0010 00-1
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