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TM 5-4320-306-24
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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