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 914 of 1275

TM 9-2350-311-20-1

NOTE

Speedometer adapter (19) has a keyed pin. During removal of adapter, remove and

store keyed pin until ready for installation. Speedometer will not work without pin.

8 Remove four screws (20), four lockwashers (21), and speedometer driveshaft adapter (19) with gasket (22)

from transmission at right universal joint. Discard lockwashers and gasket.

9 Remove tachometer driveshaft adapter (18) from engine, adjacent to alternator housing.

b. Installation

1 Install tachometer driveshaft adapter (18) into engine, adjacent to alternator housing.

NOTE

Be sure to install keyed pin (saved during removal) so that speedometer will function.

2 Install new gasket (22), speedometer driveshaft adapter (19), four new lockwashers (21), and four screws (20).

3 Install speedometer flexible driveshaft (10) to speedometer driveshaft adapter (19) at drive joint.

4 Install tachometer flexible driveshaft (9) to tachometer driveshaft adapter (18) at drive joint.

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