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WATER TANK HEATER CONTROL BOX REPLACEMENT - Continued
WATER TANK HEATER CONTROL BOX REPLACEMENT - Continued

Maintenance Manual For Tactical Fire Fighting Truck (Tfft) Model M1142 - 3 Page Navigation
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DRAFT
TM 5-4210-249-13&P-3
0301
RELAYS REMOVAL
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TFFT01668
NOTE
Both relays are removed the same way. Heater No.1 relay shown.
Tag and mark wires prior to removal to ensure proper installation.
1.
Loosen four screws (1) and remove eight wires (2) from heater No.1 relay (3).
2.
Remove two screws (4) and heater No.1 relay (3) from control box (5).
END OF TASK
RELAYS INSTALLATION
NOTE
Both relays are installed the same way. Heater No.1 relay shown.
1.
Install heater No.1 relay (3) on control box (5) with two screws (4).
2.
Install eight wires (2) on heater No.1 relay (3) and tighten four screws (1).
END OF TASK
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0301-10


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