TM 10-3930-669-20 15-19.  MAST LEVEL INDICATOR REPLACEMENT/ADJUSTMENT. This task covers: a.  Removal c.  Installation b.  Cleaning/Inspection d.  Adjustment INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Square, Combination (Item 5, Appendix B) Wrench, Torque (0 to 175 lb-ft [0-237 N•m]) (Item 2, Appendix B) Materials/Parts Solvent, Drycleaning (Item 20, Appendix C) Personnel Required Two Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Forklift on level surface (TM 10-3930-669-10) Cab door opened (TM 10-3930-669-10) Carriage lowered and in forward position (TM 10-3930-669-10) a.  Removal.   Remove two screws (1), washers (2), and indicator (3) from mast (4).  Discard lock washers. 15-71