Flex Plate; Engine Rpm - Genie GS-2669 RT Service Manual

Section 4 • Repair Procedures
KUBOTA D1105 ENGINE
4-3

Engine RPM

How to Adjust the RPM
1 Start the engine from the ground controls.
2 Hold the start toggle switch to the start position
and check the engine RPM on the diagnostic
display. Refer to Section 2, Specifications .
Proceed to step 4 if the low idle is correct.
3 To correct the low idle speed, loosen the lock
nut, then turn the low idle adjustment screw
clockwise to increase the rpm or
counterclockwise to decrease the rpm. Tighten
the lock nut and recheck the rpm.
a
a high idle solenoid
b low idle adjustment screw
c lock nut
d high idle adjustment nut
4 Move the engine idle control switch to high idle
(rabbit symbol) from the ground controls.
5 Hold the start toggle switch to the start position
and check the engine RPM on the diagnostic
display. Refer to Section 2, Specifications .
6 To correct the high idle speed, loosen the lock
nut on the solenoid, then turn the solenoid boot
counterclockwise to increase the rpm or
clockwise to decrease the rpm. Tighten the lock
nut and recheck the rpm.
4 - 24
b
d c
GS-2669 RT • GS-3369 RT • GS-4069 RT
4-4

Flex Plate

The flex plate couples the engine to the pump. The
flex plate is bolted to the engine flywheel and has a
splined cutout in the center to engage the pump
coupler.
How to Remove the Flex Plate
1 Attach a lifting strap from an overhead crane to
the pump assembly for support. Do not lift it.
2 Remove all of the pump mounting plate to
engine fasteners.
3 Carefully pull the pump assembly away from the
engine and secure it from moving.
Component damage hazard.
Hoses can be damaged if they are
kinked or pinched.
4 Remove the flex plate mounting fasteners.
Remove the flex plate from the flywheel.
November 2014
Part No. 229753