Rpm Adjustment - Deutz Models; Rpm Adjustment - Perkins Models; Flex Plate - Genie S-40 Service Manual

Section 4 • Repair Procedures
Engines
5-1

RPM Adjustment - Deutz Models

Refer to Maintenance Procedure B-9, Check and
Adjust the Engine RPM - Deutz Models.
5-2
RPM Adjustment - Perkins
Models
Refer to Maintenance Procedure A-14, Check and
Adjust the Engine RPM - Perkins Models.
5-3

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 0.18 inch / 4.6 mm gap - Diesel Models
0.060 inch / 1.5 mm gap - Ford Models
4 - 18
b c d e
f
Genie S-40 and Genie S-45
How to Remove the Flex Plate
Deutz models:
1 Remove the tailpipe bracket mounting fasteners
from the engine bell housing.
2 Support the drive pump assembly with an
appropriate lifting device.
3 Remove all of the engine bell housing fasteners.
4 Carefully pull the pump and bell housing
assembly away from the engine and secure it
from moving.
Component damage hazard.
Hoses can be damaged if they are
kinked or pinched.
5 Remove the flex plate mounting fasteners.
Remove the flex plate from the flywheel.
Ford models:
1 Disconnect the electrical connector for the
oxygen sensor at the tailpipe. Do not remove
the oxygen sensor.
2 Remove the engine oil dipstick fasteners from
the muffler bracket. Remove the dipstick from
the engine.
3 Remove the muffler retaining fasteners from the
exhaust pipe.
4 Support the muffler and bracket assembly with
an overhead crane or other suitable lifting
device.
5 Remove the muffler bracket mounting
fasteners. Carefully remove the muffler and
bracket assembly from the engine.
6 Support the engine with a suitable lifting device.
Do not lift it.
January 2005
REV A
Part No. 102521