TM 5-3895-342-12
(4) Remove the nuts and lockwashers
b. Cleaning and Inspection.
securing the lower manifolds to the engine block -
(1) Clean all parts with a cleaning solvent or
fig. 4-131.
compressed air.
(5) Unscrew the support pin and lockwasher
(2) Inspect all parts for cracks and warpage.
from the lower manifolds, and lift the lower
Replace cracked or warped parts.
manifolds from the engine. Remove the gaskets.
c. Installation. Install the upper manifold in
b. Cleaning and Inspection.
reverse of instructions in sub paragraph a above.
(1) Clean all parts with a cleaning solvent
Caution: Tighten the nuts for mounting the
or compressed air.
manifold to 14 to 18 footpounds torque.
(2) Inspect all parts for cracks or warpage.
4-17. Lower Manifolds
Replace cracked or warped parts.
a. Removal.
c. Installation. Install the lower manifolds in
(1) Remove the muffler (para 4-11).
reverse of the instructions in sub paragraph a
(2) Remove the top canopy, side doors and
above.
front panel (para 4-12).
Caution: Tighten the nuts for mounting the
(3) Remove the upper manifold (para 4-16).
manifolds to 14 to 18 foot pounds torque.
SECTION VIII. COOLING SYSTEM
(3) Remove the screws securing the
4-18. General
cylinder shrouding to the flywheel shroud (fig. 4-
The cooling system consists of a combination fan
14).
and flywheel which forces a flow of air through the
(4) Remove the screws and clips securing
flywheel shroud to circulate around the cylinders
the spark plug leads to the cylinder air shrouds (fig.
and cylinder heads. Air shrouds direct the flow of
air.
(5) Remove the connecting nuts securing
4-19. Cylinder Air Shrouds
the spark plug leads to the spark plug (fig. 4-21).
a. Removal.
(6) Unscrew
the
support
pin
and
(1) Remove the muffler (para 4-11).
lockwasher from the lower manifold and lift the
(2) Remove the top canopy, side doors and
shrouding from the cylinders
front panel (para 4-12).
.
4-10
