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 593 of 1275

TM9-2350-311-20-1

6-14 DUCTS AND HOSES — CONTINUED

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b. Installation

1

2

3

4

5

6

7

8

9

10

11

If NBC exposure is suspected, all air filter media must be handled by personnel

wearing full NBC-protective equipment (FM 21-1 1).

Install indicator hose (19).

Install elbow duct (18) through powerplant compartment bulkhead.

Install new gasket (17) and elbow duct (16).

Connect elbow duct flange assembly (15) and install six flat washers (14), six new Iockwashers(13) and six

screws (12).

Install turbocharger air intake duct hose (11 ) and hose clamp (1 O).

Install air cleaner duct-to-elbow duct hose (9) and tighten two hose clamps (8).

Install two duct exhaust to elbow hoses (7).

Install blower motors (6) (para 8-35).

Install two air cleaner-to-duct exhaust hoses (5).

Tighten four hose clamps (4).

Install two mounting clamps (3), two new Iockwasher (2), and two screws (1).

6-38

WARNING