June 2017
5-1
RPM Adjustment
Refer to Maintenance Procedure in the appropriate
Service or Maintenance Manual for your machine,
Check and Adjust the Engine RPM.
Part No. 1268497
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.
SX-180
Service and Repair Manual
Engines
75