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 WOODWARD UG8 LEVER GOVERNOR
TESTING AND ADJUSTING
DROOP ADJUSTMENT
AIR FUEL RATIO CONTROL OIL LINE
10. Bracket.
13. Junction block.
8.
Move governor terminal shaft (11) from the
maximum position to the minimum position. The
dial indicator must read 0.00 to 0.05 mm (.000 to
.002 in.) for zero droop.
9.
If the droop adjustment is not correct, loosen
screw (9) and move droop cam (8). Tighten
screw (9). Move droop cam (8) toward speeder
plug (7) to increase droop, and away from the
speeder plug to decrease droop.
10.
Check the speed droop adjustment again with
the dial indicator.
11.
Install the shut-off strap in the governor.
GOVERNOR COVER ASSEMBLY
14. Oil level gauge. 15. Cover assembly.
12.
Install the air fuel ratio control over the shut-off
strap. Make sure lever (5) is engaged correctly
14.
Install the shut-off actuator and cover assembly (
with compensation lever (12) and install the
15) on the air fuel ratio control housing. Install
screws to hold the unit to the governor.
oil level gauge (14) in the cover assembly.
15.
Connect the engine oil pressure and air inlet
pressure lines to the air fuel ratio control
housing.
Adjustment for Positive Droop
1.
Remove the air fuel ratio control from the
governor. See Steps I thru 6 in Adjustment for
Zero Droop.
2.
Connect a tachometer with good accuracy to the
engine.
Make reference to MEASURING
ENGINE SPEED.
GOVERNOR ASSEMBLY
3.
Loosen screw (9) and move droop cam (8) on
12. Compensation lever.
droop lever ( 16) to get distance (A) for the droop
percentage needed.
See SPEED DROOP
13.
Make sure the O-ring seals are installed on the
CHART to get the dimension needed.
oil pressure line and into the air fuel ratio control.
Install junction block (13).
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