Genie S-40 Service Manual page 117

Section 4 • Repair Procedures
ENGINES
9 Remove all of the engine bell housing retaining
fasteners.
10 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.
11 Remove the flex plate mounting fasteners.
Remove the flex plate from the flywheel.
Perkins models:
1 Remove the fuel filter/water separator mounting
fasteners.
2 Remove the fuel filter/water separator and lay it
to the side. Do not disconnect the hoses.
3 Support the drive pump assembly with an
appropriate lifting device.
4 Remove all of the engine bell housing fasteners.
5 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.
6 Remove the flex plate mounting fasteners.
Remove the flex plate from the flywheel.
How to Install the Flex Plate
1 Install the flex plate onto the engine flywheel
with the raised spline towards the pump.
®
2 Apply Loctite removable thread sealant to the
screws. Torque the flex plate in a star pattern
using the following values.
Ford models:
Before serial number 13740: Torque the flex
plate mounting bolts in sequence to
24 ft-lbs / 32 Nm.
4 - 26
After serial number 13739: Torque the flex
plate mounting bolts in sequence to
20 ft-lbs / 27 Nm.
Deutz models:
Torque the flex plate mounting bolts in
sequence to
28 ft-lbs / 38 Nm.
Perkins models:
Before serial number 7472: Torque the flex
plate mounting bolts in sequence to
28 ft-lbs / 38 Nm.
From serial number 7472 to 13773: Torque the
flex plate mounting bolts in sequence to
49 ft-lbs / 66 Nm.
After serial number 13773: Torque the flex
plate mounting bolts in sequence to
14 ft-lbs / 19.1 Nm.
3 Install the pump coupler onto the pump shaft
with the set screw toward the pump. Leave the
appropriate gap between coupler and pump end
plate for your engine.
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 - Deutz Models
0.070 inch / 1.8 mm gap - Perkins Models
0.0625 inch / 1.6 mm gap - Ford LRG-425
0.080 inch / 2 mm gap - Ford DSG-423
4 Apply Loctite
pump coupler set screw. Torque the set screw
to 61 ft-lbs / 83 Nm.
5 Install the pump and bell housing assembly.
S-40 • S-45
October 2013
b c d
f
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removable thread sealant to the
Part No. 102521
e