crankshaft making sure that thrust washer (5) and
3-16. Installation
bushing (6) are in position.
a. Position the basic compressor assembly (2,
b. Replace the fan, fan guard, and aftercooler
fig. 3-2) on the gasoline engine and secure with four
section (para 2-5c).
bolts (3) and lockwashers (4). Screw bolt (1) into engine
Section III. ENGINE GROUP
(4) attaching exhaust pipe (2) to
3-17. Description and Function
engine. Remove exhaust pipe.
(2) Remove two screws (7) and flange (6)
The engine is a single-cylinder four-stroke
from side of engine.
overhead valve air-cooled gasoline-fueled unit designed
(3) Remove 12 screws (11) and 14
to develop 1 1/2 hp. at 3,600 rpm. Included with the
brackets (10 and 12) from the gasoline
gasoline engine are various accessories required to
engine.
facilitate operation of the unit. A tube assembly is used
to conduct fuel from the tank to the carburetor. Four
c. Cleaning and Inspection
brackets are used to mount the gasoline engine on the
frame assembly. A starter flange is attached at the rear
(1) Wash all parts in drycleaning solvent
of the gasoline engine. The pulley is used with a starter
(P-S-661). Dry with clean, lint free
rope to start the engine manually.
cloths.
(2) Inspect all parts for clogging, dents,
3-18. Maintenance
scratches, or other damage. Replace
defective components.
General support maintenance personnel are authorized
to replace the tube assembly, brackets, exhaust pipe;
d. Lubrication.
connector and filter, and attaching parts. For detailed
maintenance procedures on the engine, see TM 5-2805-
(1) Apply
antiseize
compound
to
208-14.
components of the fuel system (fig. 2-
a. Removal.
(2) Apply pneumatic system lubricating
grease (MIL-L-4343) to threads of the
(1) Perform disassembly (para 2-7a).
aftercooler (5, fig. 2-2) during
(2) Disconnect the aftercooler (5, fig. 2-2)
assembly.
from the moisture separator inlet elbow
(18, fig. 2-1).
e. Assembly.
(3) Unscrew the eight screws (7, fig. 3-8)
and lockwashers (8) and remove the
(1) Position two brackets (10 and 12, fig.
gasoline engine and compressor
3-8) on gasoline engine (5). Secure to
assembly from the lower frame.
engine with 12 screws (11).
(4) Remove bolt (1, fig. 3-2), four screws
(2) Position flange (6) on gasoline engine
(3), and lockwashers (4) and remove
(5) and secure with two screws.
the compressor assembly from the
(3) Place exhaust pipe (2) on gasoline
engine. Be sure to recover thrust
engine (5) and install with two screws
washer (5) and bushing (6).
(1), lockwashers (3), and nuts (4).
b. Disassembly.
f. Installation.
(1) Unscrew and remove two screws (1,
(1) Position bushing (6, fig. 3-2) on engine
fig. 3-8), lockwashers (3), and nuts
crankshaft. Secure thrust washer (5)
on bushing and position compressor
assembly against engine assembly.
Secure the compressor shaft to the
engine shaft with bolt (1) being certain
that thrust washer and bushing are in
position.
Secure
compressor
assembly
to
engine
assem
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