r of the AIR and HEAT levers on the heater contro assembly AIR INLET ASSEMBLY Replacement 1 With the heater housing removed from the vehi cle remove the two stud nuts C fig 11 37 ani single screw D fig 11 37 attaching the cross ai duct to the air inlet assembly 2 Remove the hot air hoses and blower from the ai inlet assembly and reinstall on the new air inle assembly 3 Reinstall the cross air duct on the new air inle assembly INSTRUMENT RA PANEL HARNESS BL JUNCTION HEATER CONNECT BLOCK i DK GREEN 101 ll f DK GREEN i 10 AMP FUSE HEATER CONNE RED GRAY SWITCH ASSY w RED VIEW A Fig 11 4 1 4 Install the entire heater housing in the vehicle CONTROL CABLES Control cables used on the Direct Air Heater are peculiar to this system only and should not be replaced i with ordinary control cable such as used on hot water r heaters and air conditioning systems The control cables adjustment procedures are the r same as used on other Chevrolet Heaters as well as Air Conditioning Systems and air vent controls and it is felt that servicemen are sufficiently versed in the t adjustment that it will not be covered here Figure 11 39 illustrates cable adjustments dimensions INLET B ASSY 110 WIRE 4CK 8 GRAY i ll v y ONHEATER CONTROL I HARNESS I LAMP CONNECTION GRAY CONTROL ASSY CTION INLET ASSY WIRING HARNESS I o IEW B BROWN VIEW C 1 Hwfer Wiring