Genie ZX-135/70 Service Manual page 75

Service Manual
Checklist C Procedures
Deutz models:
1 Start the engine from the ground controls.
2 Press the enter or previous button on the
LCD screen until engine rpm is displayed.
Result: Low idle should be 1500 rpm.
Skip to step 5 if the low idle rpm is correct.
1 low idle adjustment screw
2 yoke
3 high idle adjustment nut
60
3 Loosen the locknut on the low idle adjustment
screw.
4 Adjust the low idle adjustment screw until low
idle is 1500 rpm. Tighten the locknut.
5 Press and hold the function enable/high
speed button. Note the engine rpm on the
display.
Result: High idle should be 2350 rpm.
If the high idle is correct, disregard adjustment
step 6.
6 Loosen the yoke lock nut. Turn the high idle
adjustment nut and solenoid boot
counterclockwise to increase the rpm or
clockwise to decrease the rpm. Tighten the
yoke lock nut and recheck the rpm.
Note: Be sure the solenoid fully retracts when
activating high idle.
7 Check for excessive movement in the linkage
bar pins.
Result: If there is excessive wear in the
linkage, the linkage bar should be replaced.
ZX-135/70
August 2014
Part No. 218700