c. Inspection and Repair.
d. Reassembly. Reassemble the alcohol dispenser
(1) Inspect all threaded fittings for thread dam-
in the reverse of numerical sequence as illustrated
age or internal obstructions.
in figure 4-27.
(2) Inspect valve assembly and venturi for dam-
e. Installation.
age or excessive wear.
(1) Install the alcohol dispenser as illustrated in
(3) Inspect sight glass for cracks or breaks.
figure 4-26.
(4) Discard and replace all gaskets. Replace all
(2) Service the alcohol dispenser (fig. 2-14).
other defective parts.
Section Vlll. ENGINE AND CLUTCH
4-37. Clutch Assembly.
4-36. General
a. Engine. The engine assembly is a military stand-
a. Clutch Adjustment. No adjustment to the clutch
ard, 4 cylinder, air cooled, overhead valve gasoline
is possible other than belt alignment. Align belts so
engine capable of operation in all temperatures when
they are in line with opposite pulley when clutch is
properly serviced. For maintenance of the internal
disengaged. Belt should drive slightly out-of-line
engine components refer to TM 5-2805-203-14.
when clutch is engaged. This alignment is necessary
if belt "creeps" when compressor declutched.
b. Clutch Assembly. The clutch assembly is mount-
ed on the rear of the engine and consists of a clutch
b. Removal.
retainer, clutch shaft, and clutch and the necessary
(1) Remove the compressor drive belt guard and
drive belt (para 3-17).
attaching parts. The clutch is made up of a center,
(2) Remove hex nuts (26 and 27, fig. 4-28), bolts
end and sliding clutch discs and operates as a vari-
able speed pulley. The clutch is hand operated by
(22 and 23), washers (21 and 24) and fork (25).
means of a fore handle.
4-35
