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 912 of 1275

9-18 SPEEDOMETER AND TACHOMETER SYSTEMS

This task covers:

a. Removal

b. Installation

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

Gasket (item 56, Appx G)

Lockwashers (2) (item 95, Appx G)

Lockwashers (4) (item 192, Appx G)

Front slope plate removed (para 4-5)

Transmission access door opened (para 4-5)

a. Removal

1 Remove flexible driveshafts (1 and 2) from back of speedometer (3) and tachometer (4).

2 Remove screw (5), Iockwasher (6), washer (7), and strap (8) in driver’s compartment. Discard Iockwasher.

3 Remove four flexible driveshafts (1, 2,9, and 10) from two couplings (11) at bulkhead.

4 Remove two couplings (11) from bulkhead.

TM 9-2350-311-20-1

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