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TROUBLESHOOTING AND REPAIR | ||
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THROTTLE ADJUSTMENT PROCEDURE (continued)
FIGURE F.4 – HIGH AND LOW IDLE ADJUSTMENT
HIGH IDLE ADJUSTMENT
LOW IDLE ADJUSTMENT
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PROCEDURE
High Idle Adjustment
Check that the linkage attaching the solenoid to the engine speed control lever is in good condition and moves freely.
1.Start the engine and place the engine switch in the “HIGH IDLE” position. The solenoid should be
2.If the high idle RPM requires adjustment, using flathead screw turn the high idle adjustment screw. See Figure F.4. Turning the screw clockwise will increase RPM and turning it counterclockwise will decrease the RPM. Engine high idle RPM should be between 3700 and 3800 RPM.
TOP VIEW OF ENGINE
Low Idle Adjustment
1.With engine running and no load applied to the machine, place the engine switch in the “AUTO IDLE” position. Wait for the idle solenoid to energize and the engine speed to drop and sta- bilize at low idle RPM.
2.If the low idle RPM requires adjustment, turn the low idle adjustment screw. See Figure F.4. The low idle RPM should be between 2250 and 2500 RPM.
