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 34 of 319
TM 9-2520-238-34
INTRODUCTION TO HOW TO USE TROUBLESHOOTING—Continued
0004 00
This is how the box appears once you located it. Do steps 1 and 2. In this sample, if the answer to step 2 is NO, follow the
NO arrow to the reference indicated.
TM 9-2520-238-34
DIFFERENTIAL MAKES EXCESSIVE NOISE OR VIBRATES WHILE MOVING-Continued
0010 00
5Y
5YN
NO
YES
1. Inspect bevel gear set.
2. Is bevel gear set undamaged?
1. Replace damaged bevel gear set
(WP 0029 00).
2. Verify no faults found.
The NO arrow takes you to this box. You have decided the drum brake is not serviceable. This box gives you the step to
correct the fault. Do step 1. It tells you to go to another task in the manual. Go to the page shown and perform the task.
Return to this box when you have completed the task.
5YN
NO
1. Replace damaged bevel gear set
(WP 0029 00).
2. Verify no faults found.
Step 2 in this box is “Verify no faults found.” You must check to make sure you have correctly fixed the fault.
After no faults found has been verified, return carrier to operation. This is the end of the troubleshooting sample.
0004 00-5/6 blank
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