6
TM 5-3805-290-23-2
HEATER CORE REPLACEMENT
THIS WORK PACKAGE COVERS
Removal, Cleaning and Inspection, Installation
INITIAL SETUP
Personnel Required
Maintenance Level
Direct Support
MOS 52C, Utilities Equipment Repairer
Tools and Special Tools
References
Tool kit, general mechanic's (Item 96, WP 0205 00)
TM 5-3805-290-10
Shop equipment, machine shop, field maintenance,
heavy, less power (Item 76, WP 0205 00)
Equipment Conditions
Materials/Parts
Coolant drained (WP 0042 00)
Cap set, protective (Item 8, WP 0206 00)
AC evaporator removed (WP 0196 00)
Cleaning compound, solvent, type III (Item 9, WP
Drawings Required
Oil, lubricating, refrigerant compressor (Item 37,
TM 5-3805-290-23P, Figures 163 and 170
Rag, wiping (Item 41, WP 0206 00)
Estimated Time to Complete Task
Strap, tiedown, electrical (Item 53, WP 0206 00)
5.0 hr
Tag, marker (Item 54, WP 0206 00)
C AU T I O N
Wipe area clean around all connections to be opened during removal. Cap lines and hoses and plug
openings after removing lines. Contamination of system could result in premature failure.
N OT E
Tag hoses prior to removal to ensure correct installation.
Use a container to catch any coolant that may drain from hoses or system. Dispose of fluids IAW local
policy and ordinances. Ensure all spills are cleaned up.
If seals inside case assembly are damaged, replace as necessary.