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 - Page 400 of 779
c. Inspection.
Refer to paragraph 6-3, and to
the limits specified in overhaul standards (table
(1) through (3), below.
6-22).
(1) Inspect the oil temperatur e
gage
(3) Inspect the main oil filter elements for
transmitter and high oil pressure warning light
plugged, coated, cracked, or damaged screens.
switch for damaged threads or deformity. Check
Inspect main oil filter cover handle and spring
electrical circuit for continuity.
for damage. Inspect auxiliary oil filter cover
(2) Inspect oil presure regulator plunger,
handle and support for damage.
spring, and sleeve and bypass valve springs to
Table 6-22. Crankshaft Damper and Oil Filter Housing Control Valves - Overhaul Standards
Component
Fig.
No.
—
Oil
pressure B-6
regulator plunger B-6
B-6
B-6
B-6
B-6
B-6
Oil filter and oil B-6
cooler pressure
relief
bypass
valve springs
Auxiliary
oil
B-6
filter
bypass
pressure relief
valve spring
Ref.
letter
B
E
B-E
F
C
F-C
D
A
G
Point of measurement
Inside diameter of sleeve (small)
Outside diameter of plunger (small)
Fit of plunger in sleeve (small)
Inside diameter of sleeve (large)
Outside diameter of plunger (large)
Fit
of
plunger in sleeve (large)
Valve spring:
Approximate free length of spring
Scale reading at 1.825 inch length
Maximum solid height
Bypass valve spring:
Approximate free length of spring
Scale reading at 2.81 inch length
Maximum solid height
Approximate free length of spring
Scale reading at 1.75 inch length
Maximum solid height
Note.
Refer to paragraph 6-3b for explanation of symbols.
d. Repair.
(1) To replace main oil filter cover handle
(63, fig. B-6), remove spring (66), spread
handle, and remove handle from cover. Spread
new handle and install on cover with spring. To
replace auxiliary oil filter cover handle (20) or
support, spread handle and remove from cover.
Remove rivet (22) and remove support from
cover. Position new support in cover and install
rivet. Spread new handle and install on cover.
(2) Refer to paragraph 6-4e, table 6-23, and
figure 6-113 when replacing studs.
(3) Refer to paragraph 6-4c for general re-
pair and welding instructions and (2) and (b),
below, for specific information on welding repair
of the crankshaft damper and oil filter housing.
Sizes and fits
of new parts
0.8125
0.8135
0.8095
0.8105
0.0020L 0.0040 L
1.1865
1.1885
1.1840
1.1850
0.0015L 0.0045 L
2.83 inch
29.3 lb ± 3 lb
1.284 inch
4.28 inch
52.3 lb ± 5 lb
2.261 inch
2.40 inch
9.12 lb ± 1.0 lb
0.988 inch
Wear limits
0.8145
0.8085
0.0060L
1.1905
1.1830
0.0075L
*
*
*
*
*
*
*
*
*
*
(a) Repair of housing is permissible to
include replacement of metal cracks, or chips.
Repair shall be accomplished to prevent oil
leakage between compartments, cast in passages,
and drilled passages. Repair shall not impair the
normal oil flow pattern (fig. 6-112) or be re-
strictive to the oil flow and shall not impair the
normal functions of control valves and filtering
functions.
(b) After welding repair of the housing,
visually inspect passages and compartments for
obstructions and foreign material. Flow tes t
passages to assure proper functioning and oil
control. Leak test compartments and drilled
passages and pressure check to 20 psi.
6-106
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