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 489 of 779
Disassemble
Note.
The right and left manifold heate r
assemblies are similar except for the position o f
the spark plug and heater housing plug. The two
parts are reversed for the left heater assembly .
1. Remove spark plug (A). Remove and discard spark
plug gasket.
2. Remove pipe elbow (B).
3. Remove pipe elbow (C).
4. Remove bushing (D).
5. Remove manifold heater spray nozzle and holder
assembly (E).
6. Remove two flat head screws (F) and remove baffle.
Note.
The two screws (F) are staked in place .
It may be necessary to remove the stake mark s
before attempting to remove screws .
7. Remove heater housing plug (G). Remove and discard
plug gasket.
Remove
1. Loosen two hose clamps (A).
2. Remove right turbosupercharger air outlet elbow (B).
3. Remove rubber hose (C) and clamps. Separate two
clamps from hose.
4. Loosen two hose clamps (D).
5. Remove air outlet tube (E) from hose.
6. Remove rubber hose (F) and clamps. Separate two
clamps from hose.
Install
1. Position two hose clamps (D) on rubber hose (F).
Position hose on heater tube.
2. Position air outlet tube (E) in hose.
3. Tighten two hose clamps (D).
4. Position two hose clamps (A) on rubber hose(C).
Position hose on air outlet tube.
5. Position right turbosupercharger air outlet elbow (B)
in hose.
6. Tighten two hose clamps (A).
Note.
Instruction covering housing plug (G )
Figure 6-230. Removing or installing ai r
is applicable only to engines equipped with a
outlet tube and associated parts .
plug .
Assemble
1. On engines equipped with a plug, position a new plug
gasket on heater housing plug (G) and install plug in
manifold heater housing.
2. Position baffle in housing and install two flat head
screws (F). Stake screws in place.
3. Install manifold heater spray nozzle and holder
assembly (E)
4. Install bushing (D) in holder assembly.
5. Install pipe elbow (C) in bushing.
6. Install pipe elbow (B) in holder assembly.
7. Position a new spark plug gasket on spark plug (A).
Install spark plug in housing.
Figure 6-229. Disassembling or assemblin g
manifold heater assembly .
6-195
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