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 659 of 1275

TM 9-2350-311 -20-1

8-5 RECTIFIER (M109A4/M109A5) — CONTINUED

b. Installation

1

2

3

4

5

6

Remove paint from rectifier (3) mounting base and from mating surface of hull, if required. Ensure surfaces are

clean.

Coat mounting base of rectifier (3) and mating surface of hull with silicone heat sink compound.

Install new preformed packing (8) in rectifier (3) base groove.

Install rectifier (3), two new lockwashers (7), and two brass screws (6).

Install six flat washers (5) and six screws (4).

Connect two wiring harnesses (1 and 2) at rectifier (3).

NOTE

FOLLOW-ON MAINTENANCE:

Connect batteries (para 8-28)

8-14