ADJUSTMENT AND OPERATION
13-8
1.5.6 Adjusting speed variation rate (changing governor notch setting)
&$87,21
The adjusting screw may be loosened by a maximum
of 20 governor notches (or 5 turns) from the fully tight-
ened position. Any attempt of a further loosening is
strictly prohibited.
(1) Adjust the speed variation rate by turning the adjusting
screw of the swivel lever.
(2) Remove the plug at the top of the governor, and set the
speed control lever to the low idle speed position. The
swivel lever will turn up, showing the head of the
adjusting screw. Use a flat-head screwdriver to turn the
adjusting screw.
(3) The speed variation rate decreases as the adjusting
screw is tightened and increases as the screw is
loosened. A quarter of a turn of the adjusting screw
equals to one governor notch and changes the engine
speed by three to five revolutions per miute.
(4) Turning the adjusting screw changes the tension of the
governor spring and hence the maximum speed.
Readjust the governor setting bolt.
(5) The maximum speed increases as the adjusting screw is
tightened and decreases as the screw is loosened.
Adjusting speed variation
1.5.7 Sealing
Seal each setting bolt.
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