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 220 of 319

TM 9-2520-238-34

REPAIR OUTPUT SHAFT ASSEMBLIES — Continued

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3.

Check the parts dimensions with chart below to determine replacement.

Table 1. LEFT AND RIGHT OUTPUT SHAFT ASSEMBLIES WEAR LIMITS

Reference

Letter

Point of Measurement

Size and Fit of New Parts

Wear Limits

A

Outside diameter at oil seal surface of shaft

1.9980 to 2.0020

1.9960

B

Outside diameter at bearing surface of shaft

1.7716 to 1.7720

(*)(**)

C

Inside diameter at seal surface of retainer

2.6850 to 2.6870

(*)(***)

D

Inside diameter of bearing

1.7712 to 1.7717

(*)(**)

D-B

Fit of bearing on shaft

0.0001L to 0.0008T

(*)

E

Outside diameter of bearing

3.3459 to 3.3465

(*)(**)

F

Inside diameter at bearing surface of support

3.3464 to 3.3472

3.3477

F-E

Fit of bearing in support

0.0013L to 0.0001T

0.0018L

G

Inside diameter at piston ring surface of support

2.9370 to 2.9390

(****) 2.9450

* Must be within new parts dimensions.

** Measure only if there is visual indication of bearing turning.

*** Measure only if there is visual indication of seal turning in retainer.

**** Measure only if support has been reworked to remove grooves caused by sealing ring or to repair other damage.

END OF TASK

0024 00-14