Genie Z-34/22IC, Service Manual

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4 - 30 Z-34/22 IC Part No. 128267
July 2007 Section 4 • Repair Procedures
REV A
Kubota D-905 Engine
6-1
Timing Adjustment
Complete information to perform this procedure is
available in the
Kubota D-905 Workshop Manual
(Kubota part number: 97897-02432).
Kubota D905 Workshop Manual
Genie part number
31742
6-2
Glow Plugs
How to Check the Glow Plugs
1 Connect the leads from an ohmmeter between
the far left glow plug and ground.
Result: The resistance should be approximately
1
Ω.
2 If the ohm reading is different than 1
Ω
, remove
the wire and connector plate from the three
individual glow plugs. Then, one glow plug at a
time, measure the resistance between the glow
plug and ground.
Result: The resistance should be approximately
1.8
Ω
for each individual glow plug.
3 Install the connector plate and wires to all three
glow plugs.
4 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position.
5 Connect the red positive (+) lead from a volt
meter to the number three glow plug. Connect
the black negative (-) lead to ground.
6 Hold the glow plug switch in the on position.
Result: The volt meter should read 12V DC or
more.
6-3
RPM Adjustment
Refer to maintenance procedure B-9, Check and
Adjust the Engine RPM.
6-4
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 Support the drive pump with an appropriate
lifting device.
2 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.
Remove the flex plate from the engine.