TM 10-4320-315-24
2-42. MAINTENANCE OF COOLING BLOWER ASSEMBLY - (Cont)
(3)
Insert spacer sleeve (23) on impeller shaft (19).
(4)
Insert impeller shaft (19) into installed bearing (21).
(5)
Fill the space between spacer sleeve (23) and blower housing (24) half full of bearing grease.
(6)
Install second bearing (22) into blower housing (24), with open side of bearing toward spacer sleeve (23).
(7)
Install circlip (20) in groove.
(8)
Install impeller (18) on impeller shaft (19), wide flange facing outward.
(9)
Install pulley (17) on pulley bolt (16).
(10)
Install pulley bolt (16) through impeller shaft (19).
(11)
Install nut (15) on pulley bolt (16).
(12)
Torque nut (15) on pulley bolt (16) to 22 ft. lbs (29.8 N.m).
(13)
Torque nut on pulley bolt 30 ft. lbs (41.9 Nom).
(14)
Torque nut on pulley bolt 60 ft. lbs (83.8 Nom).
(15)
Position replacement sealing brush (14) and sealing section (13) onto air feed (5). Secure with pipe clamps
(12), flat washers (11), and hex bolts (10).
f. INSTALL.
(1)
Position cooling blower (9) on front cover (10).
(2)
Secure cooling blower (9) with hex bolts (7).
(3)
Apply adhesive to sealing gasket (6) and install on air feed (5).
(4)
Install air feed (5) onto cooling blower with hex bolts (4), flat washers (5) and nuts (2).
(5)
Install removable air cowling (1).
2-79
