TM 9-2320-361-20
12-53. DELlVERY PUMP REAR PROPELLER SHAFT MAINTENANCE (M49A2C, M50A3)
This task covers:
a. Removal
c. Installation
b. Inspection
INITIAL SETUP:
APPLICABLE MODELS
EQUIPMENT CONDITION
M49A2C, M50A3
Parking brake set (TM 9-2320-361-10).
MATERIALS/PARTS
Discharge tube cover removed (M50A3 only)
(para. 12-46).
Two keys
Delivery pump front propeller shaft removed
REFERENCES (TM)
(para. 12-51).
TM 9-2320-361-10
GENERAL SAFETY INSTRUCTIONS
TM 9-2320-361-20P
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.
1. Remove setscrew (5) and intermediate shaft (6) from delivery pump rear propeller shaft (8).
2. Remove key (7) from intermediate shaft (6). Discard key (7).
3. Remove setscrew (3) and delivery pump rear propeller shaft (8) from delivery pump shaft (2).
4. Remove key (1) from delivery pump shaft (2). Discard key (1).
Inspect U-joints (4) for wear or damage. Replace U-joints (4) if worn or damaged (para. 7-4).
1. Install new key (1) in delivery pump shaft (2).
2. Install delivery pump rear propeller shaft (8) on delivery pump shaft (2) with setscrew (3).
3. Install new key (7) in intermediate shaft (6).
4. Install intermediate shaft (6) on delivery pump rear propeller shaft (8) with setscrew (5).
12-86