TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download

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6-7 TM 9-2350-311-34-1 c. Assembly 1 2 3 4 5 6 7 NOTE Drivegear and bevel gearshaft must be replaced as matched set. Install drivegear (38), six screws (37), new Iockwidre (36), and outer bearing (35) to driveshaft (39). Toque six screws to 32 Ib-ft (43 N•m). Install driveshaft assembly (34) to housing (44). Install shim pack (31) using thickness recorded in disassembly and install new preformed packing (30), bearing housing (29), and six screws (28) to housing (44). Install inner bearing (33) and new Iockring (32) to driveshaft (39). NOTE Some cooling fan drive assemblies do not include screws (40), Iookwashers (41), valve cover (42), and gasket (43). Install new gasket (43), valve cover (42), three new Iockwasher (41), and three screws (40) to housing (44). Install new gasket (27), bearing cover (26), four screws (25), and new Iockwire (24). Toque four screws to 19- 21 lb-ft (26-28 N•m). Establish dimension Bon driveshaft (39) as follows: (a) Measure distance between retainer boss (45) and top of driveshaft (39) at point between input cover (7) and drivegear (38). (b) (c) Add 0.671 in. (17.04 mm) to measured distance. Record total as dimension B.