TM-9-2350-247-20-3 Unit Maintenance Manual Volume 3 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-3 REPLACE/REPAIR HEATER CONTROL BOX — Continued 0472 00 DISASSEMBLY NOTE To repair circuit breaker, do Disassembly Step 1 and Assembly Step 5. To repair indicator light, do Disassembly Step 2 and Assembly Step 4. To repair start switch, do Disassembly Step 3 and Assembly Step 3. To repair HI-LO heater switch, do Disassembly Step 4 and Assembly Step 2. To repair outlet receptacle, do Disassembly Step 5 and Assembly Step 1. Tag electrical leads as they are removed. 1. Remove circuit breaker from heater control box as follows: a. Remove two screws (1), lock washers (2), lead 16 (3), lead 17 (4), lead 17-3 (5), and jumper 15-17 (6) from circuit breaker (7). b. Remove two nuts (8), lock washers (9), indicator light negative lead (10), two screws (11), and circuit breaker (7) from heater control box (12). Discard lock washers. 0472 00-2