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TM 5-4320-305-24
3-21.
REPLACE/REPAIR IDLER PULLEY ASSEMBLY (Continued)
ASSEMBLY:
1
Press ball bearing (17) and bushing (18) into idler pulley (7).
2
Press bushing (23) into idler pulley cover (13) until it is flush with engine side.
3
Press bushing (25) into idler pulley cover (13) from lever side. Measure the height of seal (24) and press the
bushing deeper into the cover by this amount.
4
Press new seal (24) into cover (13) until it is flush with lever side of the cover.
5
Insert the long end of yoke spring (21) into shaft (20) and position washer (22) on shaft.
6
Lubricate the end of shaft (20) and the inner lip of seal (24) with lubricating oil.
7
Insert assembled shaft (20), spring (21), and washer (22) into cover (13) from the engine side. Do not push seal
(24) out of the cover when inserting the shaft.
8
Position the short end of yoke spring (21) against the spring catch boss inside idler pulley cover (13).
9
Push pulley lever (8) onto shaft (20) so the bores coincide and the long end of the spring points downward.
10 Press pin (19) into pulley lever (8).
INSTALLATION:
1
Install new seal (16) in flange of cover (13) that mates with engine front cover.
2
Install cover (13) into the bore of the front cover. Be sure seal (16) seats properly.
3
Insert bolt (14) with washer (15) in smallest cover flange. Place the other two flanges over studs (26) in the front
cover.
4
Using bolt (14) and washer (15), hold assembled idler pulley cover to the engine front cover.
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