Kohler Command Pro CV980 User Manual
Page 35
5.7
Section 5
Fuel System and Governor
5
Governed Idle System
ȱȱȱȱ¢ȱȱȱȱȱȱ
desired idle speed regardless of ambient conditions
(temperature, parasitic load, etc.) that may change.
ȱȱ¢ȱȱȱ ȱȱ
governor lever and the governed idle adjuster on the
main bracket establishes the governed idle speed. See
ȱśȬŝǯȱ
Figure 5-7. Governor Springs Installed.
Governed Idle Speed Adjustment
1. Make sure the governed idle spring is in the outer
hole in the governor lever and the hole in the
ȱȱǻǼȱǯȱȱȱśȬŝǯ
ȱ Řǯȱ ȱȱȱȱȱȱȱȱȱȱ
of the governor lever and the hole in the high
ȱǻǼȱǯȱȱȱśȬŝǯȱȱȱ
governor lever away from carburetor to the limit
of its travel and check that the governor spring is
ȱȱȱȱ¢ȱǯȱȱȱśȬŝǯȱ
Turn the high speed (RPM) adjustment screw
counter-clockwise (if required) until spring is
ǯȱȱȱśȬŞǯ
Figure 5-8. Holding Governor Lever and Checking
Spring Looseness.
3. Hold the governor lever away from the
ȱȱȱĴȱȱȱȱȱȱ
speed (RPM) adjustment screw of the carburetor.
Start the engine and allow it to warm up, then
adjust the screw to set approximately 1200 RPM.
Check using a tachometer. Turn the adjustment
screw (inner) clockwise (in) to increase or
counterclockwise (out) to decrease speed.
4. Release the governor lever and check that the
ĴȱȱȱȱȱȱǻǼȱǯȱ
ȱȱśȬşǯȱȱȱȱȱǻǼȱ
adjuster screw to obtain the equipment
manufacturer’s recommended idle speed (1500-
1800 RPM). The governed idle speed (RPM) is
typically 300 RPM (approximate) higher than the
ȱȱǯȱȱȱśȬŗŖǯ
Figure 5-9. Throttle Lever in Idle Position (Air
Cleaner Removed for Clarity).
Figure 5-10. Setting Governed Idle Speed (RPM).
śǯȱ ȱȱĴȱȱȱȱ ȬȦȱ
Ĵȱȱȱȱȱȱǯȱȱ
the RPM using a tachometer. Turn the high speed
screw to obtain the intended high speed no-load
RPM. The governed idle speed must be set
before making this adjustment.ȱȱȱȱśȬŗŗǯ
Governed Idle
Speed
Adjustment Screw
Governed
Idle Spring
Governor
Spring
Governor
Spring
Must Be
Loose
In Slot
Pivot/Hold
Lever Away
From Carburetor