Rpm Adjustment; Flex Plate - Genie Z80/60 Service Manual

June 2011
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
REV C REV D
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
5-1

RPM Adjustment

Refer to Maintenance Procedure B-19, Check and
Adjust the Engine RPM.
5-2

Flex Plate

The flex plate acts as a coupler between the
engine and the pump. It is bolted to the engine
flywheel and has a splined center to drive the
pump.
a
a pump
b pump shaft
c pump coupler
d flex plate with raised spline
e engine flywheel
f 0.185 inch / 4.7 mm gap - Deutz Engines
0.15 inch / 3.8 mm gap - GM Engines
0.25 inch / 6.35 mm gap - Ford Engine
0.36 inch / 9.14 mm gap - Continental Engine
0.25 inch / 6.35 mm gap - Perkins 804C-33 Engine
0.3 inch / 7.6 mm gap - Perkins 704-30 Engine
Part No. 88619
b c d e
f
How to Remove the Flex Plate
Note: Perform this procedure with the engine off
and cool to the touch.
1 Open the engine side turntable cover.
2 Tag and disconnect the battery cables from the
batteries.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
3 Remove the engine tray retaining fastener.
Swing the engine tray out away from the
machine.
a
b
4 Tag and disconnect the wiring plug at the
electronic displacement controller (EDC),
located on the drive pump.
5 Locate the engine tray anchor hole at the pivot
end of the engine tray.
6 Install the bolt that was just removed into the
anchor hole to secure the engine tray from
moving.
Crushing hazard. Failure to install
the bolt into the engine tray to
secure it from moving could result
in death or serious injury.
Z-80/60
Section 4 • Repair Procedures
Engines
engine tray anchor hole
engine tray retaining fastener
4 - 49