(4) Secure the throttle control handle.
(2) Place throttle lever on engine gov-
ernor in desired position (TM 5-2805-203-
14) .
(3) Push throttle control handle on con-
(Remove and install the choke control (107,
trol panel all the way in. Connect the throttle
cable to throttle on governor of engine. Adjust
control, indicated in paragraph 3-47, using the
the throttle control cable to take up any slack
choke control lever on the engine.
which may exist between the control panel
and the connecting location on the engine.
Section X. EXHAUST SYSTEM
fig. 3-7) by removing the two each bolts from
3-49. General
the engine exhaust outlets.
The exhaust system consists of two exhaust
(2) Each diverter is attached to the
diverters (6 and 83, fig. 3-7) which serve as
mounting base (8) by two each cap screws,
mufflers and are connected directly to the
lockwashers and nuts (6A, 6B, 6C and 33A,
engine exhaust system.
33B, and 33C) which must be removed to free
the two exhaust diverters.
a. Removal.
b. Installation. Installation is the reverse of
(1) Remove exhaust diverters (6 and 33, removal.
Section Xl. DRIVE SHEAVE
b. Cleaning and Inspection.
3-51. General
(1) Cleaning the drive sheave thoroughly
The lubricating and servicing unit is equipped
with an approved cleaning solvent and dry
with a drive sheave which is connected onto the
thoroughly.
engine shaft by means of two set screws. The
(2) Inspect the drive sheave for cracks,
drive sheave serves as a pulley for the compres-
burrs, or excessive wear.
sor drive belts.
(3) Replace an inoperative drive sheave.
c. Installation. Installation is the reverse of
a. Removal.
removal.
(1) Remove the drive belt guard (1, fig.
(2) Refer to paragraph 3-41 and remove
No adjustment is necessary other than belt
the compressor drive belts (39).
alinement. Belts should drive slightly "OUT-
(3) Loosen but do not remove the two set
screws (5).
OF-LINE". Loosen the set screws (5, fig. 3-7)
to allow the sheave to slide on the engine shaft
(4) Slide the drive sheave (4) away
from the engine until it releases from the
and align belts by moving the drive sheave in
the desired direction. Retighten the set screws.
engine shaft.
Section XII. ELECTRICAL SYSTEM
and auxiliaries, with repair instructions for
3-54. General
wiring assemblies, stop and clearance lights.
This section contains removal and installation
Note. Do not attempt to disconnect any electrical
connections while the unit is operating. Disconnect the
instructions for the complete electrical system
batteries.
