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ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 b. Install front bearing retaining screws (31).  Torque screws 25 to 35 in-lbs (2.82 to 3.95 Nm). c. Using arbor press, press front housing (30) over rotor assembly (29) until inner bearing race contacts shoulder on shaft. d. Position pulley spacer (27), woodruff key (28), fan (26), and pulley (25) on rotor assembly (29) shaft. e. Install lockwasher (24) and nut (23) on rotor assembly (29) shaft.  Place rotor assembly in soft jawed vise and torque nut 35 to 50 ft-lbs (47.5 to 67.8 Nm). f. Position stator (22) in front housing (30) with stator leads at top and notches in lamination aligned with bolt holes. g. If damaged, replace retainer (21) in rear housing (20). h. Position rear housing (20) over slip rings of rotor assembly (29) with front and rear housing bolt holes aligned and stator leads extending through openings at top of rear housing (20). i. Install through bolts (19) and tighten evenly 50 to 60 in-lbs (5.65 to 6.78 Nm). j. If necessary, remove through bolts (19) and rotate rear housing (20) and stator (22) to align housings as match marked on disassembly.  Reinstall bolts and torque evenly 50 to 60 in-lbs (5.65 to 6.78 Nm). k. Insert strap (14) of rectifier bridge (18) through slot in diode-trio (17) body.  Bend strap (14) over B+ terminal and secure with cone washer (13) and nut (12). I. Apply thin film of heat sink compound (5202217) to back of rectifier bridge (18) and mating area of rear housing (20) m. Install diode-trio (17) and rectifier bridge (18) on rear housing (20) with bolts (16) and connect stator leads with screws (15).  Remove tags. n. Install voltage regulator (11) to rear housing (20) with insulating washers (10) and bolts (9). o. Install brush assembly (8) and strap (7) with washer (32) and nuts (6). p. Position felt gasket (5) in back cover (4) and install back cover on rear housing (20) with bolts (3). q. Install terminal washers (2), terminal nuts (1), and jumper (18, FIGURE 3-5). r. Perform battery charging alternator performance test as follows: (1) Mount battery charging alternator on test fixture capable of providing 5000 alternator rpm. CAUTION Make  sure  connections  are  tight  to  avoid  possible  damage  to  instruments,  battery  charging alternator, or wiring due to short circuits. (2) Set up test circuit as shown in FIGURE 3-1. Change 3   3-33


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