Greensmaster Flex 1800/1820/2100/2120 Page 3 − 5 Engine
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 on the machine handle to the
FAST position.
3. Loosen throttle cable screw that secures the throttle
cable to the governor lever.
4. Make sure throttle control is in the FAST position and
the governor lever is against the high speed screw.
5. Tighten screw to secure the throttle cable to the gov-
ernor lever.
6. After cable adjustment, connect spark plug wire to
spark plug, start engine and allow it to warm to operating
temperature. Check engine speed with a tachometer:
A. Low idle speed should be 1465 to 1665 RPM. Ad-
just low idle screw on carburetor to attain the correct
low idle speed setting.
B. High idle speed should be 3190 to 3340 RPM.
Adjust throttle cable position on engine to attain the
correct high idle speed setting.
IMPORTANT: The engine governor control is
equipped with a tamper resistant cap to prevent ad-
justment of high idle speed. Modification to this cap
will void the engine warranty and likely will make the
engine non−compliant with emission certification
of the engine.
Figure 1
1. Throttle cable
2. Throttle cable clamp
3. Governor lever
3
2
1
Engine
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