TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 956 of 1275

TM 9-2350-311-20-1

10-16 IDLER WHEELS AND HUBS

This task covers:

a. Removal

b. Installation

T

OO

I

S

General mechanic’s tool kit (item 64, Appx H)

Handle (item 28, Appx H)

Hand lubricating gun (item 24, Appx H)

Inner bearing cup remover/replacer (item 51, Appx H)

Inner seal replacer (item 50, Appx H)

outer bearing cup remover/replacer (item 52, Appx H)

Socket wrench set (item 56, Appx H)

Torque multiplier (item 37, Appx H)

Torque wrench (item 71, Appx H)

Torque wrench (item 72, App

X

H)

Materials/Parts

Cotter pins (1) (item 3, Appx G)

GAA grease (item 25, Appx D)

Inner hub seal (item 164, Appx G)

Key washer (item 185, Appx G)

Lubricating oil (item 37, Appx D)

Preformed packing (item 57, Appx G)

Equipment Conditions

Track removed (para 10-6 or 10-7)

a. Removal

1 Remove 10 nuts (1).

2 Remove outer idler wheel (2), spacer (3), and inner idler wheel (4).

10-39