l N S P E C T / T E S T / R E M O V E / l N S T A L L H E A T E R - O F F

REPLACE CONTROL BOX HARNESS WIRES (CONT) - TM-5-4520-253-13_82

l N S P E C T / T E S T / R E M O V E / l N S T A L L H E A T E R - O F F - F A N S W I T C H ( C O N T)

TM-5-4520-253-13 Heater Space Mutifuel With Blower 28 VDC Model VBM 15-1V Manual
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TM 5-4520-253-13 l N S P E C T / T E S T / R E M O V E / l N S T A L L H E A T E R - O F F - F A N S W I T CH TEST EQUIPMENT: Volt ohmmeter TOOLS: Tool kit, service, refrigeration unit NSN 5180-00-596-1474 Solder gun kit NSN 3439-00-930-1638 MATERIALS/PARTS: Solder (Item 12, Appendix E) GENERAL SAFETY INSTRUCTIONS: Power off. INSPECTION: 1. Operate HEATER-OFF-FAN switch. Be sure switch snaps firmly into all operating positions. Death or serious injury could occur if precautions are not taken when maintaining this equipment. Position HEATER- OFF-FAN switch to OFF, remove power cable plug from POWER RECEPTACLE, and ground capacitors C1 and C2 at end cover of combustion blower. Always have another person standing by who is trained in electric shock first aid. 2. Open control box and examine for damage to switch body or terminals. Replace defective switch. 3-55

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