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 40 of 319
TM 9-2520-238-34
DIFFERENTIAL MAKES EXCESSIVE NOISE OR VIBRATES WHILE
TURNING
0009 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)
Brake shoe assembly removed (WP 0021 00)
Disassemble for inspection per repair brake shoe
assemblies (WP 0022 00)
Repair differential steering control assembly
(WP 0026 00)
Repair differential right angle gearbox (WP 0028 00)
T
1.
Inspect differential brakes for damage.
2.
Are brakes serviceable?
YES
NO
TN
1.
Replace damaged brake lining, drum
or hub as required (WP 0022 00,
WP 0026 00).
2.
Verify no faults found.
Y
1.
Inspect differential gearshaft for damage.
2.
Is gearshaft true and free of nicks and scratches?
YES
NO
YN
1.
Replace damaged differential
gearshaft (WP 0026 00).
2.
Verify no faults found.
2Y
1.
Inspect differential spur gears for misalignment and damage.
2.
Are spur gears aligned and undamaged?
YES
NO
2YN
1.
Replace damaged gear
(WP 0026 00).
2.
Adjust misaligned spur gear
(WP 0026 00).
3.
Verify no faults found.
3Y
1.
Inspect differential bevel gear set for misalignment or damaged
teeth.
2.
Are bevel gear teeth wearing properly?
YES
NO
3YN
1.
Replace misaligned or damaged
differential bevel gear (WP 0028 00).
2.
Verify no faults found.
0009 00-1
Back to Top
