Terex Genie Z-45/25 Bi-Energy, Руководство по обслуживанию, Страница: 103 / 213

Part No. 237062 Z-45/25 Bi-Energy • Z-45/25J Bi-Energy 4 - 31
September 2015 Section 4 • Repair Procedures
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.
Note: 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.
How to Replace the Voltage
Regulator
1 Disconnect the battery packs from the machine.
Electrocution/burn 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