Test The Key Switch - Genie Z-30/20N Service Manual

Section 3 • Scheduled Maintenance Procedures
CHECKLIST B PROCEDURES
3 Turn the key switch to ground controls and pull
out the red Emergency Stop button to the on
position at both the ground and platform
controls.
4 Raise the secondary boom until the mid-pivot is
approximately 10 feet / 3 m off the ground.
5 Inspect the turntable center area for burnt,
chafed and pinched cables.
6 Lower the boom to the stowed position and turn
the machine off.
7 Inspect the following areas for burnt, chafed,
corroded, pinched and loose wires:
• Cable track on the primary boom
• Primary boom to platform cable harness
• Inside of the platform control box
8 Inspect for a liberal coating of dielectric grease
at the following location:
• All wire harness connectors to the platform
control box
• All wire harness connectors located under the
ground control side turntable cover
• Harness connector to the drive motor
controller located in the non-steer end of the
drive chassis
3 - 12 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
B-3

Test the Key Switch

Note: Genie specifications require that this
procedure be performed every 250 hours or
quarterly, whichever comes first.
Proper key switch action and response is essential
to safe machine operation. The machine can be
operated from the ground or platform controls and
the activation of one or the other is accomplished
with the key switch. Failure of the key switch to
activate the appropriate control panel could result
in a hazardous operating situation.
1 Pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
2 Turn the key switch to platform controls.
3 Check the machine functions from the ground
controls.
Result: The machine functions should not
operate.
4 Turn the key switch to ground controls.
5 Check the machine functions from the platform
controls.
Result: The machine functions should not
operate.
6 Turn the key switch to the off position.
Result: No function should operate.
June 2011
REV B
Part No. 139378