TM 5-4220-227-145-20. Light Source.This task covers: RepairINITIAL SETUPToolsMaterials/Parts (Cont)General Mechanic's Tool KitDistilled Water (Item 8, Appendix E)(NSN 5180-00-177-7033)Cloth, Lint-free (Item 5, Appendix E)Materials/PartsEquipment ConditionLight SourceChamber shut down (para. 2-15)Detergent, Nonionic (Item 7, Appendix E)Light source removed (para. 4-39).Repair. (figure 5-22)NOTEThere are three light sources. Repair of each light source is the same.(1)Remove pipe nut (1) and fitting nut (2) from light probe (3).(2)Remove gland nut (4) and ferrules (5) and (6).(3)Remove four screws (7) and remove cover (8).(4)Lift lamp ejector lever (9) away from lamp (10).(5)Remove lamp ejector lever (9) from lamp socket (11).(6)Remove lens (12) from lens and thermocouple assembly (13).(7)Tag and disconnect electrical leads (14) from terminal board (15).(8)Remove two screws (16) and remove lens and thermocouple assembly (13).(9)Tag and disconnect electrical leads (17) from connector (18).(10)Remove four nuts (19), washers (20) and screws (21) and remove connector (18).(11)Tag and disconnect electrical leads (22) from terminal board (15).(12)Remove four nuts (23), washers (24) and screws (25) and remove fan (26).(13)Clean all components using nonionic detergent cleaner and rinse with clean distilled water.5-50
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
