Genie Z-45/22, Service Manual

Page: 31 / 205

Part No. 29487 Genie Z-45/22 4 - 5
Service Manual - First Edition Section 4 - Scheduled Maintenance Procedures
A-11
Test Auxiliary Power Operation
Detection of auxiliary power system malfunctions
is essential for safe machine operation. An unsafe
working condition exists if the auxiliary powered
functions do not operate in the event of a main
power loss. Auxiliary power is designed for short
term emergency use only, and excessive use will
result in battery drain and pump damage.
Oscillating axle equipped
machines only: From the stowed
position, auxiliary power can not
raise the boom above the drive
limit switch. Auxiliary power can
raise the boom if it is already
raised above the drive limit switch.
1 Turn the key switch to ground control and pull
out the ground control Emergency Stop button
to the
on position.
2 Simultaneously hold the auxiliary power switch
on while activating the following functions
through a partial cycle:
· primary boom up/down
· extend and retract
· elevate up/down
· turntable rotate right/left
Result: Each function should operate smoothly.
3 Turn the key switch to platform control.
4 At the platform controls, pull out the
Emergency Stop button to the on position,
press down the foot switch and repeat step 2.
A-10
Test the Platform and
Ground Controls
Testing machine functions and the Emergency
Stop buttons for malfunctions is essential for safe
machine operation. An unsafe working condition
exists if any function fails to operate properly or
either Emergency Stop button fails to stop all the
machine functions and shut off the engine. Each
function should activate, operate smoothly and be
free of hesitation, jerking and unusual noise.
1 Start the engine from the ground controls, and
then operate each machine function through a
full cycle.
Result: All machine functions should activate
and operate smoothly.
2 Push in the Emergency Stop button to the off
position.
Result: No function should operate, the engine
should stop.
Diesel models: All functions
should stop immediately. The
engine will shut off after 2 or 3
seconds.
3 Start the engine from the platform controls, and
then operate each machine function through a
full cycle.
Result: All machine functions should activate
and operate smoothly.
4 Push in the Emergency Stop button to the
off
position.
Result: No function should operate, the engine
should stop.
As a safety feature, selecting and
operating the ground controls can
override the platform controls,
including the Emergency Stop
button.
TABLE A PROCEDURES