Door Assemblies 5. Disconnect gas spring. See Figure 38.
0100 YRM 1290 2. Remove fan and heater knobs from knob plate. Remove four screws that fasten knob plate to heater valve and switch plate. Remove knob plate from door cover. 3. Remove two fasteners from top of door cover. 4. Remove five plugs along sides and front of door cover. Remove two capscrews and washers from bottom of door cover. Remove door cover from door frame. 5. Remove prefilter, located on bottom of door frame.
NOTE: RIGHT SIDE DOOR SHOWN. 1. GAS SPRING 2. MOUNTING BRACKET 3. LOCK NUT Figure 38. Gas Spring Mounting Installation 6. Remove right side door from cab frame by lifting door up and over hinge pin. See Figure 39.
Disassemble Door Cover With Heater Unit 1. Remove four screws and washers that attach handle to door cover. Remove handle and two handle plates. See Figure 40.
38
NOTE: RIGHT SIDE DOOR HINGE SHOWN. 1. HINGE PIN
2. DOOR HINGE
Figure 39. Door Removal