DRAFT
TM 5-4210-249-13&P-4
FIELD LEVEL MAINTENANCE
PIPING HEAT TRACE REPLACEMENT
INITIAL SETUP:
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Tools and Special Tools
Reference
Tool Kit, General Mechanic's: Automotive
WP 0615, Fig. 181
(WP 0622, Item 27)
Equipment Conditions
Materials/Parts
Water pump engine OFF (WP 0022)
Heat Trace 120 V (WP 0625, Item 27)
Engine OFF (TM 9-2320-347-10)
Tags, Identification (WP 0625, Item 51)
Wheels chocked (TM 9-2320-347-10)
Tape, Heat Trace, Aluminum (WP 0625, Item 54)
Tape, Heat Trace, Glass (WP 0625, Item 55)
Ties, Cable, Plastic (WP 0625, Item 58)
Lockwasher (3)
REMOVAL
CAUTION
Do not cut heat trace cable when removing or installing. Damage to electrical wires
in heat trace cable may occur.
Do not bend heat trace cable to less than 1 in. (25.4 mm) radius. Damage to
electrical wires in heat trace cable may occur.
NOTE
Access heat trace cable junction box in pump house.
Pipe heat trace circuit starts at junction box and heat trace cable is taped to water pipes.
Sections of heat trace cable can be replaced between splice connectors.
Remove required panels to access heat trace cable to be replaced.
Remove insulation from pipes to access heat trace cable.
Remove cable ties as needed.
Tag and mark wires prior to removal to ensure proper installation.
Perform Steps (1) through (6) to remove heat trace cable from terminal in junction box.
Use care when removing insulation. Do not cut heat trace cables.
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