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TM 5-4320-306-24
3-21. REPLACE/REPAIR IDLER PULLEY ASSEMBLY (Continued)
3.
Fore-and-aft misalinement can be corrected by increasing or decreasing the number of washers (1) on bolt (2)
between ring (3) and pulley lever (4). The thickness of the washers can also be changed to accomplish
alinement.
4.
Idler pulley is out of vertical alinement if the part of the pulley face is in front of or in back of the straightedge
held across the face of the crankshaft pulley.
5.
Vertical misalinement is caused by damaged or improperly assembled components. It can be corrected by
disassembling the idler pulley, replacing damaged components, and assembling the components properly.
3-118
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