P-9-TM-457-35
T.O. 35C2-3-442-2
TM 5-6115-457-34
TM-07464A-35
utility governor back just far enough to
bracket (16D, figure 8-31) to allow
r o t a t e utility governor drive shaft with
t h e fingers, into a new position.
approximately . 0 3 inch free travel of
governor control fuel rack lever (12,
4. I n s t a l l oil lines in such a
ment is made at the top of the lever.
manner that undue stress is not applied
to the tube assemblies when positioning
(c) Tighten nut (11, figure
the fittings.
8-31A) against flanged nut (10).
5. I n s t a l l governor linkage in
(d) Adjust lower bushing
accordance with figure 8-31. Adjust rod
(6, figure 8-31A) to provide a measure-
assembly (4, 5, and 6) in accordance
ment of 3.0 (+.125, -.062) inches
with Operator and Organizational Mainte-
nance Manual. Whenever precise governor
between the outside faces of bushings
(6 and 9, figure 8-31A).
l i n k a g e is to be installed, refer to
Operator and Organizational Maintenance
I n s t a l l governor actuator unit
Manual.
(precise sets only) paragraph 8-116).
6. Adjust overspeed shutdown
f . Refer to Operator and Organiza-
device linkage as follows:
tional Maintenance Manual for the
following:
(a) Disconnect governor rod
assembly (6, figure 8-31) from the gov-
1. Install manual speed control.
e r n o r control fuel rack lever (12).
2. Make final adjustment.
( b ) Adjust flanged nut (10,
Section XIX. FUEL INJECTION GROUP
8-141. GENERAL.
8-142. REMOVAL.
The fuel injection group is mounted
a. Refer to Operator and Organize-
to the rear of the accessory drive housing.
tional Maintenance Manual and remove
The fuel injection group consists of the fuel
secondary fuel filter and relief valve
group, hydraulic oil filter (precise gener-
injection pump housing, camshaft, fuel
ator sets only), and overspeed switch,
injection pumps, fuel injection valves, and
associated tubing. Fuel, after passing
b. Remove utility governor group
through the filters, flows into the injection
pump housing manifold which distributes
the fuel to the injection pumps. The injec-
c. Removal of the fuel injection group
tion pump for each cylinder measures and
delivers the fuel to its associated fuel
is accomplished during disassembly (para-
graph 8-143).
injection valve for insertion into the pre-
combustion chamber. The amount of fuel
pumped per stroke is varied by turning the
CAUTION
pump plunger in the barrel. This turning
is accomplished by governor action through
Do not rotate engine crankshaft
the fuel regulator rack and gear arrange-
after fuel injection pump has
ment. Injection pump plungers and lifters
been disconnected from accessory
are lifted by lobes on the fuel injection
drive.
camshaft.
8-86
Change 2
