TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 COUPLING, FUEL INJECTION PUMP, REPLACE/REPAIR 0116 00 INSPECTION (Continued) 3. Check backlash of assembled coupling. a. Install screw (18), flat washer (19), and two nuts (20) in hub (12). b. Temporarily assemble two hubs (5 and 12) and two sleeves (4 and 11) using four spacers (21), four lock washers (22), and four screws (23). c. Clamp hub (5) in machinist’s vise. d. Using bolt (18) as a turning device, check backlash between hubs (5 and 12) at a point 1-5/16-inches (3.3375mm) from shaft center on any of the four flats. If backlash exceeds 0.006-inches (0.1524 mm), replace flexible shaft coupling assembly. 4. Remove assembly from vise and remove four screws (23), four lock washers (22), four spacers (21), two sleeves (4 and 11), two hubs (5 and 12), two nuts (20), flat washer (19), and screw (18). Discard lock washers. 18 12 19 12 11 23 22 21 20 5 4 18 5 Place dial indicator here to measure backlash x 4 1 20 1 Vise WP 0116 00-6