TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 14-10. AMBULANCE HEATER REPAIR (MODEL 10530A) (Cont’d) WARNING Drycleaning solvent is flammable and will not be used near an open flame. A fire extinguisher will be kept nearby when the solvent is used. Use only in well- ventilated places. Failure to do this will result in injury to personnel and/or damage to equipment. Compressed air source will not exceed 30 psi (207 kPa). Use only with effective chip guarding and personal protective equipment (goggles/shield, gloves, etc). 2. Blower assembly (1): (a) Clean blower assembly (1) fan and surrounding areas with drycleaning solvent. Dry with compressed air. (b) Inspect blower assembly (1) for damage. Replace if damaged. 3. Fuel control valve (2): (a) Clean fuel control valve (2) with compressed air. (b) Inspect control valve (2) and leads (3) for damage. Replace control valve (2) if any part is damaged. 4. Burner assembly (12): (a) Remove three nuts (13), lockwashers (14), and burner plate (16) from bowl (25). Discard lockwashers (14). (b) Clean residue and carbon from bowl (25) and burner plate (16). Clean burner plate (16) with compressed air. (c) Inspect burner plate (16) and bowl (25) for damage, replace burner plate (16) or burner assembly if bowl (25) is damaged. (d) Remove screw (24), vaporizer shield (23), washer (22), washer (21), fuel vaporizer (20), retaining washer (19), two notched fiber washers (18), and wick (17) from burner plate (16). Discard screw (24), fuel vaporizer shield (23), washer (22), washer (21), fuel vaporizer (20), retaining washer (19), notched fiber washers (18), and wick (17). (e) Assemble two notched fiber washers (18) to burner plate (16) making sure to align notches with igniter pocket. (f) Press retaining washer (19) over fuel feed bushing (15) with flange facing away from burner plate (16). NOTE A new fuel vaporizer is supplied with ignition wick already inserted in hole of vaporizer with excess length for assembly. (g) Position wick (17) and fuel vaporizer shield (23) over fuel feed bushing (15) so the wick (17) will lie in the slot. Use a piece of thin wire to pull looped end of wick through igniter pocket. Remove wire from wick (17). (h) Hold fuel vaporizer shield (23) firmly against retaining washers (19) and pull wick (17) back through vaporizer until wick (17) is taut. Cut off excess wick (17) close to small end of fuel vaporizer shield (23). (i) Install fuel vaporizer (20), washer (21), washer (22), and screw (24) on burner plate (16). (j) Install burner plate (16) on bowl (25) studs with three lockwashers (14) and nuts (13). 14-42