TM 9-2320-361-20 12-50. DELlVERY PUMP FRONT PROPELLER SHAFT MAINTENANCE (M50A2) This task covers: a. Removal c. Installation b. Inspection INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) M50A2 TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Four locknuts EQUIPMENT CONDITION Key Parking brake set (TM 9-2320-361-10). 1. Remove four locknuts (1), screws (3), and delivery pump front shaft (4) from power takeoff flange (2). Discard locknuts (1). 2. Remove setscrew (7) and delivery pump front propeller shaft (4) from delivery pump rear propeller shaft (6). 3. Remove key (5) from delivery pump rear propeller shaft (6). Discard key (5). Inspect U-joints (8) for wear or damage. Replace U-joints (8) if worn or damaged (para. 7-4). 1. Install new key (5) on delivery pump rear propeller shaft (6). 2. Install delivery pump front propeller shaft (4) on delivery pump rear propeller shaft (6) with setscrew (7). 3. Install delivery pump front propellar shaft (4) on power takeoff flange (2) with four screws (3) and new locknuts (11) 12-81