TM 9-2320-361-20 12-52. DELlVERY PUMP REAR PROPELLER SHAFT MAINTENANCE (M50A2) This task covers: a. Removal c. Installation b. Inspection INITIAL SETUP: REFERENCES (TM) TM 9-2320-361-10 APPLICABLE MODELS M50A2 MATERIALS/PARTS TM 9-2320-361-20P Eight locknuts EQUIPMENT CONDITION Key Parking brake set (TM 9-2320-361-10). Delivery pump front propeller shaft removed (para. 12-50). a. Removal 1. Remove clip (10), keeper (9), master link (8), and chain (11). Loosen two setscrews (5). 2. Slide delivery pump rear propeller shaft (2) forward and remove sprockets (6) from delivery pump shaft (7). 3. Remove delivery pump rear propeller shaft (2) from bearing flanges (4). 4. Remove key (3) from delivery pump rear propeller shaft (2). Discard key (3). 5. Remove eight locknuts (12), screws (13), and two bearing flanges (4) from frame (1). Discard locknuts (12). 1. Inspect delivery pump rear propeller shaft (2), bearing flanges (4), sprocket (6), and chain (11) for cracks, bends, and excessive wear. Replace components that are cracked, bent, or excessively worn. 2. Inspect U-joint for wear or damage. Replace U-joints if worn or damaged (para. 7-4). 1. Install two bearing flanges (4) on frame (1) with eight screws (13) and new locknuts (12). 2. Install new key (3) in delivery pump rear propeller shaft (2). 3, Install delivery pump rear propeller shaft (2) through bearing flanges (4). 4. Install two sprockets (6) on delivery pump shaft (7). 5. Install delivery pump rear propeller shaft (2) through sprockets (6) and tighten two setscrews (5). 6. Install chain (11) on sprockets (6) with master link (8), keeper (9), and clip (10). 12-84