TM 5-4310-227-15
(2) Install the muffler (17) on the el-
e. Installation (Model OEG-458-ENG-1 and
OEG-458-ENG-2).
bow (16).
(3) Install the shield (10, fig. 1-6) on
(1) Install the nipple (29, fig. 2-8) in
the muffler.
the cylinder and crankcase assembly
(4) Install the rain cap (2) or the muffler
(19).
and secure by tightening the screw.
(5) T i g h t e n the locknut on the elbow
(2) Install the muffler (30) on the nip-
(16, fig. 3-17).
ple (29).
Section IX. BELT GUARD, AND BELT SET
(Models
d. Reassembly and Installation
3-57. General
O E G - 4 5 8 - E N G - 1 , OEG-458-ENG-2, BMW-
This section applies to maintenance of the
452-ENG, and BMW-452-ENG-1).
belt guard, and belt set. The belt guard is a
(1) Secure the top belt guard strap (2) to
safety device which reduces the possibility of
the belt guard (4) with the flat wash-
injury to operating personnel who might acci-
ers, lockwashers, and nuts (3).
dently come in contact with the belt set. The
(2) Place the belt guard in position on
unit is equipped with three belts which couple
the unit and secure the top belt guard
the engine drive pulley to the compressor fly-
strap (2) to the manifold stud with
wheel.
nut (1).
(3) Secure the lower belt guard strap (6)
to the mounting base (3) with the
a. Removal and Disassembly (Models OEG-
capscrews (7), lockwashers, and nuts.
458-ENG-1, O E G - 4 5 8 - E N G - 2 , BMW-452-
e. Reassembly a n d Installation (Model
ENG, and BMW-452-ENG-1).
(1) Remove the capscrews (7, fig. 3-19),
assemble and install belt guard.
lockwashers, and nuts that secure the
lower belt guard straps (6) to the
mounting base.
0EG-458-ENG-1,
(Models
a. Removal
(2) Remove the capscrew (1) that secures
and
BMW-452-ENG,
OEG-458-ENG-2,
the top belt guard strap (2) to the
BMW-452-ENG-1).
manifold stud and remove the belt
(1) Remove the belt guard (para 3-58)
guard (4) from the unit.
OEG-
Models
OEG-458-ENG-1,
(3) Remove the nuts (3), flat washers,
458-ENG-2, and BMW-452-ENG-1.
and lockwashers that secure the belt
model
OEG-458-ENG-1 and
(2) On
g u a r d strap (2) to the belt guard
loosen the four
OEG-458-ENG-2,
and remove the strap.
nuts (1, fig. 3-21 ) and slide the en-
b. Removal and Disassembly (Model OEG-
gine toward the compressor to remove
the tension from the belt set (2, fig.
move and disassemble belt guard.
c. Cleaning, Inspection, and Repair.
and
(3) O n models BMW-452-ENG
(1) Clean all applicable parts in an ap-
BMW-452-ENG-1, loosen the four
cleaning solvent and dry
proved
screws (22, fig. 3-22) and slide the
thoroughly.
compressor toward the engine to re-
move the tension from the belt set (2,
(2) Inspect the belt guard and strap for
dents, cranks, breaks, and other dam-
age.
(4) Remove the belt set from the engine
drive pulley (8) and compressor fly-
(3) Repair or replace all damaged or de-
wheel assembly (7).
fective parts.
