TM 9-2320-280-34
14-11. AMBULANCE HEATER REPAIR (MODEL 10530B) (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 (4):
(a) Remove three nuts (5), screws (16), and burner plate (6) from bowl (15) and remove burner plate
(6).
(b) Clean residue and carbon from bowl (15) and burner plate (6). Clean burner plate (6) with
compressed air.
(c)
Inspect burner plate (6) and bowl (15) for damage, replace burner plate (6) or burner assembly
(4) if bowl (15) is damaged.
(d) Remove screw (14), fuel vaporizer shield (13), washer (12), washer (11), fuel vaporizer (10),
retaining washer (9), two notched fiber washers (8), and wick (7) from burner plate (6). Discard
screw (14), fuel vaporizer shield (13), washer (12), washer (11), fuel vaporizer (10), retaining
washer (9), notched fiber washers (8), and wick (7).
(e) Assemble two notched fiber washers (8) to burner plate (6) making sure to align notches with
igniter pocket.
(f)
Press retaining washer (9) over fuel feed bushing (17) with flange facing away from burner plate
(5).
NOTE
A new fuel vaporizer is supplied with ignition wick already inserted
in hole of vaporizer with excess length for assembly.
(g) Position wick (7) and fuel vaporizer shield (13) over fuel feed bushing (17) so the wick (7) will lie
in the slot. Use a piece of thin wire to pull looped end of wick through igniter pocket. Remove
wire from wick (7).
(h) Hold fuel vaporizer shield (13) firmly against retaining washers (9) and pull wick (7) back through
vaporizer until wick (7) is taut. Cut off excess wick (7) close to small end of fuel vaporizer shield
(13).
(i)
Install fuel vaporizer (10), washer (11), washer (12), and screw (14) on burner plate (6).
(j)
Install burner plate (6) on bowl (15) with three screws (16) and nuts (5).
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