TM  10-3930-669-20 15-22. MAST ADJUSTMENT. This task covers: Adjustment INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Materials /Parts Kit, Shims Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Mast pivoted 90°  (TM 10-3930-669-10) Adjustment. NOTE Position the top of all three rails to the closest even position. (1)   Adjust inner rail (1) of mast assembly (2) so that it is the same height as the center rail (3). 15-77

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business