R E P A I R OF THE PORTABLE GASOLINE HEATER
Section I. REPAIR OF THE ENGINE ASSEMBLY
Refer to TM 5-2805-256-14 for engine repairs.
Section II. REPAIR OF THE HEATER ASSEMBLY
6-1. Burner Assembly
b. Disassembly. Disassemble the fuel metering
valve assembly (60, fig. 4-2).
a. Removal. Refer to paragraph 5-11
and
c . Repair. R e p l a c e r i n g ( 6 2 ) a n d r e t h r e a d
remove the burner assembly.
stripped or damaged threads on the valve parts.
d. Reassembly. Reassemble the fuel metering
disassemble the burner assembly.
valve assembly (60).
c. R e p a i r .
install the valve.
made up of a cast steel spreader plate and a
threaded stud. Weld a cracked or broken spreader
6-3. Burner Air Chamber
plate and rethread stripped or damaged stud
threads (TM 9-237).
remove the burner air chamber.
(2) The distributor (5) is cast steel con-
b. Repair.
truction. A cracked or broken central air
or damaged stud
(1) Rethread stripped
will be repaired by welding (TM 9-
threads.
(2) Repair dents by straightening with a
(3) The retaining ring (6) which caps per-
mallet or clamp.
forated bowl sleeve (8) is a stainless steel casting.
(3) Repair breaks or cracks by welding (TM
The retaining ring will be repaired by welding if
9-237).
cracked or broken (TM 9-237).
c . Installation. R e f e r t o p a r a g r a p h 5 - 1 3 a n d i n -
(4) The perforated bowl sleeve (8) is con-
stall the burner air chamber.
structed of sheet stainless steel. A dented or bent
6-4. Exhaust Tube Assembly
sleeve will be straightened and reshaped to its
and Disassembly. Refer to
a. R e m o v a l
original configuration.
(5) The distributor channel (11) which
exhaust tube assembly.
secures the spreader assembly (2) is fastened to it
b. Repair.
by the spreader assembly stud and nut. The
(1) Repair breaks and cracks in the exhaust
channel which is of steel construction will be
tube assembly by welding (TM 9-237).
repaired by welding when cracked or damaged
(2) Rethread stripped or damaged threads.
(TM 9-237).
c. Reassembly and Installation. Refer to
(6) The bowl vaporizer is a steel casting which
s u p p o r t s the bowl sleeve. When damaged or broken
exhaust tube assembly.
it will be repaired by welding (TM 9-237).
Combustion
Chamber
Assembly
the burner assembly.
remove the combustion chamber assembly.
install the burner assembly.
b. Repair.
(1) Straighten any dents in the combustion
6-2. Burner Fuel Metering, Valve Assembly
chamber.
(2) Repair all breaks or cracks by welding
remove the fuel metering valve assembly.
(TM 9-237).
install the combustion chamber assembly.
