TM 10-3930-669-20 7-7.  GLOW PLUG REPLACEMENT. This task covers: a.  Removal b.  Installation INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Wrench, Torque (0 to 175 lb-ft [0-237 N-m]) (Item 2, Appendix B) Materials/Parts Washer, Lock Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Cab positioned for service (Para 15-2) a.  Removal (1) Remove nut (1), lock washer (2), washer (3), two wires (4), and washer (5) from glow plug (6).  Discard lock washer. (2) Remove  two  nuts  (7),  washers  (8),  three connecting rails (9), and two washers (10) from glow plugs (6). 7-14