Genie Z-45/25 Bi-Energy Service Manual page 95

July 2004
REV A
4 Start the engine from the ground controls and
move the rpm select toggle switch to the
maintained high idle position. Check the voltage
on the generator.
Result: The voltage should be 54V DC.
5 If the voltage reading is not 54V DC, insert a
small flat blade screwdriver into the
potentiometer located inside of the generator.
Use the access hole on the back of the
generator labeled
VOLT ADJ
Component damage hazard. Be
sure that the screwdriver is
properly inserted into the
potentiometer or the generator
and/or voltage regulator may
become damaged.
6 Carefully adjust the potentiometer to obtain a
54V DC voltage reading. Turn the
potentiometer clockwise to increase the voltage
or counterclockwise to decrease the voltage.
Do not rotate the potentiometer past the internal
stops.
Component damage hazard. The
voltage regulator inside the
generator will become damaged if
the potentiometer is rotated past
the internal stops.
The maximum range of motion of
the potentiometer on the voltage
regulator is 280° and the
maximum allowed torque is
5 oz-in / 0.035 Nm.
Part No. 106488
.
Genie Z-45/25 Bi-Energy and Genie Z-45/25J Bi-Energy
Section 4 • Repair Procedures
How to Replace the Voltage
Regulator
1 Disconnect the battery packs from the machine.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
2 Remove the engine pivot plate latch retainer.
3 Open the engine pivot plate latch and swing the
engine out away from the machine to access
the generator.
4 Tag and disconnect the positive and negative
battery cables from the generator.
5 Loosen the tension adjustment bolt on the
generator.
6 Pull the generator away from the machine and
remove the belts from the generator pulley.
7 Remove the generator mounting fasteners then
remove the generator from the machine.
8 Remove the 3 nuts from the battery cable
terminal posts.
9 Remove the 3 screws that hold the plastic cover
onto the generator. Carefully remove the cover.
GENERATOR
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