7 - 2
Genie Z-30/20
Part No. 43063
Service Manual - Third Edition
Section 7 - Repair Procedures
Platform Controls
1-1
Controllers
Maintaining the controllers at the proper setting is
essential to safe machine operation. Each
controller should operate smoothly and provide
proportional speed control through its entire range
of motion.
a
boom function speed controller
b
drive and brake printed circuit board
c
drive controller
Drive Controller Adjustments
Do not adjust the controllers
unless the static battery supply
voltage is above 24V DC.
This procedure will require the use
of two multi-meters. One will be
used for measuring amps and the
other for voltage.
Electrocution hazard. Contact with
electrically charged circuits may
result in death or serious injury.
Remove all rings, watches and
other jewelry.
1 Block the steering wheels, and then center a
lifting jack under the drive chassis between the
non-steer tires.
2 Raise the drive chassis 1 to 2 inches
(2.54 to 5.0 cm) off the ground and place jack
stands under the chassis.
3 Open the platform control box lid and locate the
printed circuit board on the drive controller.
a
terminal "R", activates max-out range
b
terminal "D", drive output
c
terminal "X"
d
terminal "-", ground
e
terminal "+", positive
f
terminal "B", brake output
g
drive lo range adjustable trimpot
h
drive threshold adjustable trimpot
i
drive hi range adjustable trimpot
j
brake threshold adjustable trimpot
k
brake max out adjustable trimpot
4 Disconnect the white/red wire from the "B"
terminal on the printed circuit board.
5 Connect the black (-) lead from an amp meter
to the white/red wire that was removed from
the circuit board. Connect the red (+) lead to
the "B" terminal on the printed circuit board.
a
b
c
d
e
f
h
i
j
k
g
a
b
c
Содержание Z-30/20
Страница 1: ...Service Manual Technical Publications Third Edition First Printing Part No 43063 ...
Страница 104: ...Service Manual Third Edition Section 6 Schematics 6 2 Genie Z 30 20 Part No 43063 Electrical Symbols Legend ...
Страница 106: ...Service Manual Third Edition Section 6 Schematics Ground Controls Legend Part No 43063 Genie Z 30 20 6 4 ...
Страница 108: ...Part No 43063 Genie Z 30 20 6 6 Section 6 Schematics Service Manual Third Edition Platform Controls Legend ...
Страница 109: ...Service Manual Third Edition Section 6 Schematics Hydraulic Symbols Legend 6 7 Genie Z 30 20 Part No 43063 ...
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Страница 139: ...Part No 43063 Genie Z 30 20 7 29 Service Manual Third Edition Section 7 Repair Procedures MANIFOLDS ...
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