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HIGH IDLE ADJUSTMENT
LOW IDLE ADJUSTMENT
TOP VIEW OF ENGINE
FIGURE F.4 – HIGH AND LOW IDLE ADJUSTMENT
THROTTLE ADJUSTMENT PROCEDURE (continued)
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 de-energized. Be certain that there is no
load on the machine.
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.
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.
TROUBLESHOOTING AND REPAIR
F-18 F-18
OUTBACK® 185
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