TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 837 of 1207

TM 9-2320-361-20

12-35. DELIVERY PUMP REPLACEMENT

This task covers:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

M49A2C, M50A2, M50A3

MATERIALS/PARTS

Four locknuts

Key

REFERENCES (TM)

LO 9-2320-209-12-1

TM 9-2320-361-10

TM 9-2320-361-20P

EQUIPMENT CONDITION

Parking brake set (TM 9-2320-361-10).

Delivery pump draincock removed (para. 12-36).

Delivery pump inlet tube removed (para. 12-33).

Delivery pump outlet tube removed (para. 12-32).

GENERAL SAFETY INSTRUCTIONS

Keep fire extinguisher nearby when working on fuel

tank trucks.

WARNIN G

Do not perform this procedure while smoking or within 50 feet of

sparks or open flame. Fuel is flammable and can explode easily,

causing injury or death to personnel and damage to equipment.

a. Removal

1. Remove setscrew (1) from delivery pump rear propeller shaft (8) and delivery pump shaft (5).

2. Remove four locknuts (6), screws (3), and delivery pump (2) from compartment shelf (4). Discard

locknuts (6).

3. Remove key (7) from delivery pump shaft (5). Discard key (7).

b. Installation

1. Install new key (7) in delivery pump shaft (5).

2. Position delivery pump (2) in compartment (4).

3. Install delivery pump rear propeller shaft (8) on delivery pump shaft (5) with setscrew (1).

4. Install delivery pump (2) in compartment shelf (4) with four screws (3) and new locknuts (6).

12-54