TM 5-4310-277-14
b. Removal.
b. Cleaning and Inspection.
(1) Remove the V-belt set.
(1) Clean the V-belts with a clean dry cloth,
(2) Remove the engine drive pulley as illustrated
taking care to remove all dirt, grease, and oil.
in Figure 4-15.
(2) Inspect the V-belts for cuts, fraying, and
c. Cleaning and Inspection.
wear.
(3) Replace worn or damaged V-belts.
Dry cleaning solvent, P-D-680, used to clean
NOTE
Always replace the V-belts in sets of two.
parts is potentially dangerous to personnel
and property. Avoid repeated and
c. Installation. Install the V-belts as shown in
prolonged skin contact. Do not use near
open flame or excessive heat. Flash point of
d. Adjustment.
solvent is 100 F. (38 C.) - 138 F.
(1) Loosen engine attaching hardware (fig. 4-
(59oC.).
15). It is not necessary to remove the attaching
parts.
(1) Clean all parts with cleaning solvent,
(2) Move the engine away from the compressor
Federal Specification P-D-680, and dry thoroughly.
(2) Inspect the drive pulley for cracks, chips,
until there is tension on the V-belts. Press on the V-
belts with your fingers about midway between the
and other damage particularly in V-groove, where
excessive wear to the V-belts could occur. Inspect all
engine drive pulley and the compressor flywheel. If
other parts including threads for damage or wear.
the depression is more than one-half inch (1.27 cm),
(3) Replace all defective parts.
readjust tension.
(3) Tighten the engine mounting hardware. Be
d. Installation.
extremely careful that the engine is square in
(1) Install the drive pulley as shown in figure 4-
relation to the mounting base and flywheel to avoid
(2) Install the V-belt set.
binding and excessive wear of the V-belts.
(4) Install the belt guard.
a. General The engine drive pulley consists of the
pulley, stub shaft, bushing and screws.
Section Xl. MAINTENANCE OF COMPRESSOR
(2) Remove slowdown tube from pilot valve to
pneumatic cylinder on engine. Remove sensing tube
a. General On Model BGR-5M-1 air compressor,
from air receiver to pilot valve and disconnect
the gasoline engine, compressor, and air receiver
plumbing and tubing connection to check valve.
tank are attached to a base assembly which is then
(3) Remove belt guard and V-belts.
mounted to a trailer.
(4) Remove compressor as illustrated in figure 4-
b. Removal.
(1) Stop the air compressor, and release all air
from the compressor by opening the draincock.
