Genie S-40 Service Manual page 77

October 2014
Skip to step 3 if the low idle rpm is correct.
2 Loosen the low idle lock nut and turn the low idle
adjustment screw clockwise to increase the rpm
or counterclockwise to decrease the rpm.
Tighten the low idle lock nut and re-check the
rpm.
3 Move the function enable/rpm select toggle
switch to the high idle (rabbit symbol) position at
the ground controls. Refer to Section 2 ,
Specifications.
a b
a solenoid boot
b high idle adjustment nut
c yoke lock nut
d yoke
e low idle adjustment screw
f low idle lock nut
Part No. 826364
If high idle rpm is correct, disregard adjustment
step 4.
4 Loosen the yoke lock nut. Turn the high idle
Note: Be sure the solenoid fully retracts when
activating high idle.
Perkins 404D-22 Models
1 Connect a tachometer to the engine. Start the
Skip to step 3 if the low idle rpm is correct.
f
2 Loosen the low idle lock nut. Turn the low idle
e
c d
S-40 • S-45 • S-40 TRAX • S-45 TRAX
Section 3 • Scheduled Maintenance Procedures
CHECKLIST C PROCEDURES
adjustment nut and solenoid boot
counterclockwise to increase the rpm or
clockwise to decrease the rpm. Tighten the
yoke lock nut and re-check the rpm.
engine from the ground controls. Refer to
Section 2, Specifications .
adjustment screw clockwise to increase the
rpm, or counterclockwise to decrease the rpm.
Tighten the low idle lock nut and confirm the
rpm.
a b
a solenoid boot
b high idle adjustment nut
c clevis
d low idle lock nut and adjustment
screw
c d
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