FUEL SYSTEM
TESTING AND ADJUSTING
The TIMING CHART gives the acceptable dyn-
amic (engine in motion) timing range as read on the
Timing Indicator Group. The TIMING CHART is
for the 3304 Engine with 20 ± 1° static (engine
stopped) timing.
3. Install 5P4814 Collet (5) on indicator bracket
(6).
TIMING CHART
ENGINE rpm
INDICATOR READING
700
19.5 to 21.9°
2300
21.1 to 23.5°
If the engine timing is not correct. make reference
to CHECKING TIMING BY TIMING PIN
METHOD for the procedure to change engine
timing.
RACK SETTING PROCEDURE
Tools Needed:
7N1048 Timing Pin.
6V2106 Rack Adjustment Tool Group.
6V2128 Compressor, Over fueling spring.
6V2031 Rack Position Indicator.
9S229 Contact Point 9.7 mm (.38 in.) long.
5P4814 Collet.
6V3075 Dial Indicator.
8S4627 Circuit Tester.
The rack setting can be done with the fuel injection
pump and governor on or off the engine.
1. Remove fuel line (1) and fuel filter base (2)
and filter from the furl injection housing.
2. Remove cover (3) from the side of fuel in-
jection housing.
TM 5-3805-263-14&P-2
4. Install indicator bracket on the fuel pump
housing. The lever on the bracket assembly
must be in slot (4) on the fuel rack. After the
bracket assembly is tightened to the housing.
the lever must move smoothly when the gover-
nor is moved from low idle to high idle.
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