TM-9-2320-361-24-2 Field Maintenance Manual Volume 2 for M44A2 Series Trucks
Page 1010 of 1144
TM 9-2320-361-24-2 0461 00 0461 00-2 DELIVERY PUMP REPAIR (Contd) DISASSEMBLY 1. Remove four screws (3), lockwashers (2), strainer body (1), and gasket (46) from pump body (40). Discard lockwashers (2) and gasket (46). 2. Remove valve cap (7) and gasket (6) from setscrew (5). Discard gasket (6). 3. Place a locator mark on setscrew (5) threads where threads meet cover (4). Remove setscrew (5). 4. Remove four screws (8), lockwashers (9), cover (4), and gasket (10) from pump body (40). Discard lockwashers (9) and gasket (10). 5. Remove spring guide (11), spring (12), and bypass valve (13) from pump body (40). 6. Remove grease fittings (23) and (32) and fittings (25) and (31) from covers (24) and (30). 7. Remove four screws (26), lockwashers (27), cover (24), and gasket (22) from pump head (16). Discard lockwashers (27) and gasket (22). NOTE Liner pins may stay with pump heads or liner during removal of pump heads. 8. Remove eight screws (15), lockwashers (14), pump head (16), and O-ring seal (41) from pump body (40). Discard lockwashers (14) and O-ring seal (41). 9. Remove four screws (33), lockwashers (34), cover (30), and gasket (28) from pump head (43). Discard lockwashers (34) and gasket (28). 10. Remove eight screws (44), lockwashers (45), pump head (43), and O-ring seal (42) from pump body (40). Discard lockwashers (45) and O-ring seal (42). 11. Remove seal (29) from cover (30). Discard seal (29). NOTE Rotor bearings are snug fit in pump heads. Rotor bearings must be removed to gain access to snaprings in pump heads. 12. Remove rotor bearings (21) and (35) from pump heads (16) and (43). 13. Remove snaprings (20) and (36), seals (19) and (37), washers (18) and (38), and seals (17) and (39) from pump heads (16) and (43). Discard snaprings (20) and (36) and seals (17), (19), (39), and (37).