TM 9-2320-266-34
24-21. Cab Heater Motor and Core, Heavy-duty.
(2) Unscrew wheel and remove diaphragm valve.
Refer to TM 9-2320-266-20 for removal and installation
b. Repair.
of cab heater.
(1) Remove spring pin to disassemble valve.
24-22. Personnel Heater, Cargo Area.
(2) Clean all components.
a. Removal.
(3) Inspect for worn or damaged parts. Replace if
necessary.
(1) Remove 24 volt battery system ground cable.
(4) Reassemble diaphragm valve.
(2) For the M881 or M882 vehicle, gain access to
heater by removing screws and nut retaining guard. Re-
c. Installation.
move guard. For the M886 ambulance, access is gained in
(1) Position valve on valve shaft and secure valve
same way as for heater/ventilator (refer to TM 9-2320-266-
by tightening wheel. insure that the adjusting bracket is
20).
set to "+" position.
(3) Turn off shutoff cock.
(2) Close cover and tighten wing screw.
1. Guardassembly
2. Blower assembly
3. screw
4. Louver, air inlet
5. Screw
6. Valve assembly, fuel control
7. screw
8. Housing, secondary blower
9. Switch assembly, flame detector
10. screw
11. Igniter assembly
30. screw
12. igniter tube and bracket assembly
21. Switch assembly, overheat
31. Housing assembly, heater
13. Tube assembly, fuel
22. screw
32. Exchanger, heat
14. Lead, ground
23. Burner assembly
33. Receptacle, cable
24. Clamp, burner
15. Cover assembly, hatch
34. Screw
25. Nut
16. Nut
35. Screw
26. Bolt, hook
17. Washer, lock
36. Grommet
27. Packing, preformed
18. Control, ignition
37. Nut
28. Gasket
19. Screw
AT33457
38. Rod, ceramic
29. Sleeve, 1/4 in. tube
20. Nut
Figure 24-3. Personnel Heater Assembly Components.
Change 5
24-9
