TM   9-2320-273-20 5-25.   EXTERIOR   LIGHTING   MAINTENANCE   TASK   SUMMARY. INITIAL  SETUP EQUIPMENT CONDITION APPLICABLE CONFIGURATIONS PARAGRAPH CONDITION DESCRIPTION All. 5-37A. Battery  Disconnected. 5-44A. Headlamp Removed if Wire (3) TEST EQUIPMENT is to be Removed. None. SPECIAL TOOLS None. MATERIALS/PARTS  (P/N) 1. 35 W-12V Bulb GE 4419 (or equal). 2.  Non  Flammable  Cleaning  Solvent, (Refer to Appendix C). 3. Bearing Grease (Refer to Appendix C). 4. Tape. 5. Marking Pen. PERSONNEL REQUIRED TWO (MOS-63B20). REFERENCES   (TM) TM  9-2320-273-20P. LO   9-2320-273-12. TM 9-2320-273-10. SPECIAL  ENVIRONMENTAL  CONDITIONS REFERENCES    (TROUBLESHOOTING) Vehicle  Parked  on  Level  Ground. Table 5-8, 5-9, 5-10, 5-11, 5-13, 5-14. GENERAL  SAFETY  INSTRUCTIONS Park Brake Set. Engine Off. Transmisison  in  Neutral. LIST  OF  TASKS TASK TASK TROUBLESHOOTING NO. TASK REF REF (TABLE) 1 Headlamps Maintenance: 5-44 5-8 A. Removal. 5-44A B. Installation. 5-44B C. Operational  Check. 5-44C 2 Front  Turn  and  Marker  Lamps  Maintenance: 5-45 A. Removal. 5-45A B. Installation. 5-45B C. Operational  Check. 5-45C 5-9 5-11 5-71