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 PTO COUPLING/FUEL PUMP DRIVE HOUSING REPAIR (2DR ONLY) 0111 00 INSTALLATION 1. Install PTO/fuel supply pump, drive housing (8). a. Position housing (8) on studs (28) using new mounting gasket (12) (item 349, WP 0175). 10 9 28 12 8 31 CAUTION There are two versions of spur gear (31): the early version has 3/4-16 threads, and the later version has 7/8-14 threads. The PTO coupling is installed exactly the same on either version. However, the torque procedure and alignment tools are different. Be sure to follow the torque instructions and use the alignment tool for the version that you have. b. Install alignment tool (32). (1) Use alignment tool (item 6, WP 0176) with early spur gear shaft (3/4-16 inch threads). (2) Use alignment tool (item 7, WP 0176) with late spur gear shaft (7/8-14 inch threads). (3) Remove puller screw (33) from alignment tool. (4) Insert alignment tool (32) in PTO housing (8) until firmly seated on the spur gear shaft (31) taper. 8 33 32 10 9 c. With the alignment tool (32) firmly seated on the spur gear shaft (31), install seven new self-locking nuts (9) (item 140, WP 0175) with flat washers (10). Do not install self-locking nut and flat washer on stud located at the 9 o’clock position. d. Install puller screw (33) and turn clockwise to remove alignment tool. WP 0111 00-9