WARN I N G
Jewelry can catch on equipment and cause injury or short across electrical circuit and cause severe
burns or electrical shock. Remove rings, bracelets, watches, necklaces, and any other jewelry
before working around HET Tractor.
(1) Remove A/C evaporator subsystem
NOTE: If doghouse floor mat is not secure, it
may interfere with proper A/C operation.
(2) Inspect doghouse floor mat.
(a) If doghouse floor mat is not
secured to the back of the
doghouse, secure doghouse floor
mat (TM 9-2320-360-20).
debris, and damage.
(a) If A/C evaporator is blocked,
remove blockage and debris.
Verify repair, go to Step 13 of this
(b) If A/C evaporator is damaged,
install A/C evaporator subsystem
(c) If A/C evaporator is free from
blockage, debris, and damage, go
to Step 7 of this fault.
(1) Remove eight screws and A/C
evaporator assembly cover
NOTE: A/C thermostatic switch temperature
probe is installed by inserting it into the
(2) Inspect A/C thermostatic switch
temperature probe for proper
(a) If A/C thermostatic switch
temperature probe is not installed
correctly, reinstall temperature
go to Step 13 of this fault.
(b) If A/C thermostatic switch
temperature probe is installed
correctly, install evaporator
assembly cover and eight screws