Engines; Rpm Adjustment; Flex Plate - Genie ZX-135/70 Service Manual

August 2014
5-1

RPM Adjustment

Refer to maintenance procedure, 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.
How to Remove the Flex Plate
1 Disconnect the wiring plug at the electronic
displacement controller (EDC), located on the
drive pump.
2 Support the drive pump with an appropriate
lifting device. Then remove all of the pump
mounting plate to engine bell housing bolts.
3 Carefully pull the pump away from the engine
and secure it from moving.
4 Remove the flex plate mounting fasteners,
then remove the flex plate from the engine
flywheel.
Part No. 218700
How to Install a Flex Plate
1 Install the flex plate onto the engine flywheel
with the rubber vibration isolators towards the
pump.
2 Use blue thread locking compound and torque
the flex plate mounting bolts in sequence to
28 ft-lbs / 38 Nm. Then torque the flex plate
mounting bolts in sequence to 40 ft-lbs / 54
Nm.
3 Apply a high viscosity coupling grease (Genie
part number 128025) to the splines of the
pump shaft and flex plate.
4 Install the pump plate and pump assembly
onto the engine.
Grease Specification
Shell Alvania® Grease CG, NLGI 0/1 or equivalent.
Deutz and Perkins models
ZX-135/70
Service Manual

Engines

147