TM-9-2815-200-35

ENGINE, WITH CONTAINER:TURBOSUPERCHARGED, DIESEL ,FUEL INJECTION ,90-DEGREE “V” TYPE, AIR - COOLED ,12 - CYLINDER , ASSEMBLY ;MODELS AVDS-1790-2M (2815-856-4996), AVDS-1790-2A AND AVDS-1790-2AM (2815-856-9005)

TECHNICAL MANUAL; DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS

TM-9-2815-200-35

  TM-9-2815-200-35 - Page 522 of 779

1. Sparingly coat cylinder stud threads (A) on crankcase
with antiseize thread lubricant FSN 9150-527-1752 or
Caution:
If lubricant is extended to face o f
washer nut, reliable retaining torque cannot be
obtained .
2. Rotate engine crankshaft using engine turning splined
(fig.
5-91)
until
the
No.
1R
connecting rod (B) is at the top of its stroke.
3.
Remove
crankcase
protector-4910-795-7951
from
cylinder No. 1R mounting studs (C) being careful not
to allow connecting rod to forceably drop against the
crankcase cylinder mounting surface or mounting
studs.
4. Remove piston pin from piston of No. 1R cylinder
assembly and place piston and cylinder over No. 1R
connecting rod. Insert piston pin (D) with plugs
through connecting rod and piston and center pin in
position. Center piston pin plugs in piston.
5. Slide cylinder (E) over piston on crankcase studs and
temporarily secure with two extended washer nuts (fig.
5-144) positioned approximately 180 degrees apart.
(c) When all cylinder assemblies ar e
installed as described and illustrated in figure 7-
13, install remaining cylinder extended washe r
nuts and torque tighten the nuts alternately t o
640 pound-inches. Use box wrench - 5120-678 -
5287 in combination with a torque wrench a s
shown in figure 5-143 .
b. Cylinder Air Deflectors.
Refer to figures 5-
142 and 5-141 .
c. Crankshaft Damper and Oil Filte r
Housing.
Refer to figures 5-139 and 5-138 .
d. Oil Pan.
Refer to figures 4-125, 5-13 7
through 5-135 and torque tighten oil pan bolts to
175 pound-inches and self-locking nuts to 225
pound-inches. Tighten four slotted nuts (C, fig .
6-90 or C, fig. 6-92) and install locking wire.
Note .
During overhaul operations, con -
sideration must be given to engine model, when
assembling oil pan to engine. Engine Mode l
AVDS-1790-2-M had an oil pan (10865039, fig .
7-14) with oil drain plugs located specificall y
designed for a certain vehicle and the engin e
model was not interchangeable with othe r
vehicles. The oil pan (10912162, fig. 7-15) on
engine Models AVDS-1790-2-AM and AVDS -
1790-2A provides an oil drain plug location that
is accessible in all vehicles. Although limite d
numbers of early oil pans are in current use, care
must be taken in Depot overhaul to identify the
early oil pans and properly designate engin e
model .
Figure 7-13. Installing cylinder assemblie s
on crankcase .
7-10


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