Genie Z-34/22IC, Service Manual

Page: 105 / 185

Part No. 128267 Z-34/22 IC 4 - 33
July 2007 Section 4 • Repair Procedures
REV A
How to Install the Flex Plate
1 Install the flex plate onto the flywheel with the
raised spline against the flywheel.
a pump
b pump shaft
c pump coupler
d flex plate
e flywheel
2 Apply removable Loctite
®
thread sealant to the
flex plate mounting fasteners. Torque the flex
plate mounting fasteners to 36 ft-lbs / 49 Nm.
3 Install the coupler onto the pump shaft with the
set screw towards the pump. Leave a
1
/
32
inch /
0.8 mm gap between the coupler and pump end
plate.
4 Apply removable Loctite
®
thread sealant to the
coupler set screw. Torque the set screw to
65-70 ft-lbs / 88-95 Nm.
Component damage hazard. Do
not force the drive pump during
installation or the flex plate teeth
may become damaged.
7-6
Coolant Temperature and
Oil Pressure Switches
The engine coolant temperature switch is a
normally open switch. The switch contacts close at
approximately 225°F / 107
°
C. If the coolant
temperature rises above the switch point, the
switch contacts close and the engine will shut off to
prevent damage. The engine will not start until the
temperature drops below the switch point. An over-
temperature indicator light at the ground controls
should turn on when the switch closes.
Component damage hazard.
Do not crank the engine with
the over-temperature light on.
The engine oil switch is a normally closed switch.
The switch contacts open at approximately
7 psi / 0.48 bar. If the oil pressure drops below the
switch point, the contacts open and the engine will
shut off to prevent damage. A low oil pressure
indicator light at the ground controls should turn on
when the switch opens.
Component damage hazard.
Do not crank the engine with the
low oil pressure light on.
KUBOTA DF752 ENGINE
b e
a
c d