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TM-9-2350-267-34 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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5-10 Change 4 TM 9-2350-267-34 COOLING FAN DRIVE ASSEMBLY REPAIR (CONTINUED) R s T U V NOTE Backlash between gear shaft and draft shaft must be between 0.002 and 0.004 inch. Perform steps R through W to check backlash. Set cooling fan drive assembly (3) on support blocks on a flat surface. Install fabricated fan drive bracket (41) in line with bevel gear case assembly (11) on cooling fan drive assembly (3) with two screws (42) and nuts (43). Install dial indicator (44) on fabricated fan drive bracket (41) with plunger positioned on bevel gear teeth. Hold drive shaft (40) secure to prevent any movement and rotate gear shaft (11) counterclockwise as far as possible. Do not force. Zero dial indicator and slowly rotate gear shaft (11) clockwise as far as possible. Do not force. Read backlash measurement.

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