TRUCK SERVICE MANUAL
BODIES AND CABS
Fig. 58 Withdrawing Thermostatic Control Switch Capillary
Tube from Housing
capillary tube through hole in seal at bottom of
heater/evaporator unit housing.
Insert end of capillary tube into evaporator core at
location shown in Figure 59. (Remove air filter seal
strip and air filter to check position of end of capillary
Connect control cable to switch lever and install
Position switch on bracket and install switch
Position cable mounting ta on switch bracket and
install mounting screw.
Check control cable adjustment as outlined under
"Control Cable Adjustment".
Install heater core as follows:
Make sure gaskets are in place on ends of
Align slot in heater core frame with rivet at
front of housing and push core into position.
Install heater core mounting screws.
Fig. 59 Capillary Tube Location in Evaporator
Connect wiring connectors to thermostatic control
switch. Make sure connectors are located properly
Fig. 60 Thermostatic Control Switch Wiring Connector
Check operation of thermostatic control switch.
Install covers on heater/evaporator unit and
CTS-2731 Page 39
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