Genie Z-51/30J, Service And Repair Manual

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October 2020
Part No. 1268553GT Z®-51/ 31J 45
Service and Repair Manual
Engines
6-1
RPM Adjustment
Refer to Maintenance Procedure in the appropriate
Maintenance Manual for your machine,
Check and
Adjust the Engine RPM .
6-2 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 battery cables from the battery
WARNING
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
2 Disconnect the electrical connectors at the
electrical proportional controller, located on the
drive pump.
3 Support the drive pump with an appropriate
lifting device. Then remove all of the bell
housing to engine mounting bolts. Leave the
pump connected to the bell housing.
4 Carefully pull the pump and bell housing away
from the engine and secure it from moving.
NOTICE
Component damage hazard.
Hoses can be damaged if they
are kinked or pinched.
5 Remove the flex plate mounting fasteners, then
remove the flex plate from the engine flywheel.