Genie S-80 Service Manual page 57

February 2012
a
Deutz models
a high idle adjustment
b low idle adjustment
Skip to step 4 if the low idle rpm is correct.
2 Loosen the locknut on the low idle adjustment
screw.
3 Adjust the low idle adjustment screw until low
idle meets specification. Tighten the locknut.
4 Push and hold the function enable/high speed
button. Note the engine rpm on the display.
Refer to Section 2, Specifications.
If the high idle is correct, disregard adjustment
step 5.
5 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.
Part No. 122985
b
S-80 • S-85 • S-80X
Section 3 • Scheduled Maintenance Procedures
CHECKLIST B PROCEDURES
Perkins models:
1 Connect a tachometer to the engine. Start the
engine from the ground controls and check the
rpm. Refer to Section 2, Specifications .
Skip to step 3 if the low idle rpm is correct.
2 Loosen the low idle lock nut. Turn the low idle
adjustment screw clockwise to increase the rpm
or counterclockwise to decrease the rpm.
Tighten the low idle lock nut and confirm the
rpm.
a
f
Perkins models
a solenoid boot
b yoke lock nut
c low idle adjustment screw
d low idle lock nut
e yoke
f high idle adjustment nut
3 Move the function enable/rpm select toggle
switch to the high idle (rabbit symbol) position.
Refer to Section 2, Specifications.
If high idle rpm is correct, disregard adjustment
step 4.
4 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.
c
b
e
d
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