TM-9-2350-261-34

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

TM-9-2350-261-34 - Page 306 of 785

TM 9-2350-261-34

IDLER ARM, ROAD WHEEL ARM, AND HUBS WEAR LIMITS — Continued

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Table 2. IDLER ARMS

Reference

Letter

Point of Measurement

Idler Arms

Wear

Limits

All

Road

Wheels

Wear

Limits

A

Inside diameter of arm bore

3.185 to 3.188

*

B

Outside diameter of bearing

3.1885 to 3.1925

*

C

Outside diameter of bearing

3.8135 to 3.8175

*

D

Inside diameter of arm bore-inner

3.809 to 3.812

*

A-B

Fitofbearinginarmbore

0.0005 to 0.0075

C-D

Fitofbearinginarmbore

0.0015T to 0.0085T

E

Inside diameter of outer bearing

2.7605 to 2.7765

2.778**

F

Outside diameter of outer spindle

2.750 to 2.752

See

note

G

Inside diameter of bearing

3.3855 to 3.4015

3.403**

H

Outside diameter of inner spindle surface

3.375 to 3.377

See

note

G-F

Fitofbearingonspindle

0.001L to 0.026L

G-H

Fitofbearingonspindle

0.000 to 0.025L

I

Outside diameter of outer hub spindle

1.5618 to 1.5623

1.561

J

Outside diameter of inner hub spindle

2.0618 to 2.0623

2.061

K

Outside diameter at track adjuster sleeve

1.495 to 1.500

1.4850

*Must be within new parts dimensions.

**Measured in assembly.

NOTE

A used idler spindle shall not be put back into service if the nickel plating (0.001 to 0.002 thick) is worn

through. A used spindle can be switched to the opposite side of the carrier, which places the load on an

unused plated surface.

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