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TM 5-4320-306-24
3-9. REPLACE/REPAIR COOLING AIR BLOWER AND COOLING AIR DUCTING (Continued)
Use care to avoid damage to quill shaft and blower jacket
during following step.
3
Press assembled quill shaft, bushing, and ball bear-
ings (10) into blower jacket (4). Press from V-belt
pulley side of blower jacket.
4
Compress circip (7) and install into groove in
blower jacket (4) Be sure circlip expands fully
into groove.
5
Install V-belt pulley (5) onto quill shaft (6).
6
Install bottom roller (3) into blower jacket (4).
7
Install bolt (1) through V-belt pulley (5), quill
shaft (6), and bottom roller (3).
8
Thread nut (2) onto bolt (1). Tighten securely.
9Slowly rotate bottom roller (3). Check for
rubbing, binding, or excessive resistance to rota-
tion Check that V-belt pulley (5) runs true relative to blower jacket (4). Slowly rotate V-belt pulley
Check that bottom roller runs true relative to blower jacket.
INSTALLATION:
1
Install air shield (39) using bolts (35), washers (36), spring lockwashers (37), and spacers (38). Tighten
securely.
2
Install baffle mounting plate (34) using bolts (32) and lockwashers (33) Tighten securely.
3
Install grommets (40 and 41) (if removed).
4
Install rear stay plate (28) using bolts (24), nuts (25), lockwashers (26), and washers (27) Tighten
securely.
5
Install front stay plate (18) using bolts (20), nuts (21), lockwashers (23), and washers (22) Tighten
securely.
6
Install air cowling base (31) using bolts (29) and washers (30). Tighten securely.
7Install cooling air blower (15) using bolts (12), nuts (13), and washers (14) Tighten securely.
8
Install sealing brush (7) and sealing section (8) on air guide ring (6) using bolts (9), washers (10), and
pipe clips (11).
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