10
TM 5-3805-291-23-2
EVAPORATOR CORE REPLACEMENT
THIS WORK PACKAGE COVERS
Removal, Installation
INITIAL SETUP
Maintenance Level
Personnel Required
MOS 52C, Utilities Equipment Repairer
Direct Support
References
Tools and Special Tools
Tool kit, general mechanic's, automotive (Item 90,
Equipment Conditions
Shop equipment, automotive maintenance and
Steering frame lock connected (TM 5-3805-291-
10)
repair: field maintenance, basic, less power (Item
68, WP 0232 00)
Outside cab filter removed (TM 5-3805-291-10)
AC system discharged (WP 0222 00)
Materials/Parts
AC refrigerant R-134a recovered (WP 0222 00)
Cap set, protective (Item 6, WP 0233 00)
Coolant drained (WP 0041 00)
Oil, lubricating, refrigerant compressor: Synthetic
Ester (Item 30, WP 0233 00)
AC/heater blower motor removed (WP 0168 00)
Rag, wiping (Item 35, WP 0233 00)
Drawings Required
Tag, marker (Item 43, WP 0233 00)
TM 5-3805-291-23P, Figure 177
Evaporator core
Estimated Time to Complete Task
O-ring (2)
4.0 hr
REMOVAL
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.
Use two line wrenches to avoid damage to fittings.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance,
testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component containing fluids.
Dispose of all fluids according to local regulations and mandates.
