Greensmaster Flex 18/21Page 3 – 4Engine
Adjustments
Throttle Cable Adjustment
If a new throttle cable must be installed or the cable is
out of adjustment, adjust the cable as follows:
1. Park machine on a level surface. Make sure engine
is OFF. Remove spark plug wire from the spark plug.
2. Move throttle control lever on the handle to the FAST
position.
3. Loosen throttle cable screw that secures the throttle
cable to the governor lever.
4. Make sure throttle lever is in the FAST position and
the governor lever is against the high idle speed screw.
5. Tighten throttle cable screw to secure the throttle
cable to the governor lever.
6. After cable adjustment, connect spark plug wire to
spark plug, start engine and check engine speed with a
tachometer:
A. Low idle speed should be 2300 to 2500 RPM. Ad-
just low idle speed screw in or out to attain the correct
low idle speed setting.
B. High idle speed should be 3500 to 3700 RPM.
Adjust high idle speed screw in or out to attain the
correct high idle speed setting.
Figure 1
1. Throttle cable screw
2. Throttle cable
3. Governor lever
4. Low idle speed screw
5. High idle speed screw
3
2
4
1
5
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