TM 10-3930-669-20 7-25.  GAUGE LAMP REPLACEMENT. This task covers: a.  Removal b.  Installation INITIAL SETUP Tools and Special Tools Equipment Condition Tool Kit, General Mechanic's: Automotive Engine OFF (TM 10-3930-669-10) (Item 1, Appendix B) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Cab door opened (TM 10-3930-669-10) Batteries disconnnected (Para 7-48) Materials /Parts Cable, Ties (Item 4, Appendix C) a.  Removal NOTE •   Replacement procedure for engine oil temperature  gauge  lamp  is  shown.    All  other gauge lamps are replaced the same way. •   Cut cable ties as required. (1) Remove  four  screws  (1)  from  instrument  panel (2). (2) Remove  screw  (3)  and  washer  (4),  and  raise instrument panel (2) from dash frame (5). 7-55