Genie GC-1530, Service Manual

Page: 53 / 270

Section 3 • Scheduled Maintenance Procedures January 2012
Part No. 228901 GS-30 • GS-32 • GS-46 • GS-47 3 - 27
B-17
Test the
Up Limit Switch (if equipped) and
the Maximum Drive Height Limit
Switches (if equipped)
Genie requires that this procedure be performed
every 250 hours or quarterly, whichever comes
first.
Maintaining the limit switches is essential to safe
operation and good machine performance.
Operating the machine with a faulty limit switch
could result in reduced machine performance and
a potentially unsafe operating condition.
Perform these procedures with the machine on a
firm, level surface that is free of obstructions.
Up Limit Switch (if equipped)
1 Turn the key switch to ground control and raise
the platform approximately 8 feet / 2.4 m from
the ground.
2 Rotate the safety arm away from the machine
and let it hang down.
3 Lower the platform onto the safety arm.
Crushing hazard. Keep hands
clear of the safety arm when
lowering the platform.
4 While raising the platform from the ground
controls, push the arm of the up limit switch
towards the steer end of the machine to
activate the limit switch.
Result: The platform stops raising. The machine
is functioning properly.
Result: The platform continues to raise. Adjust
or replace the up limit switch.
Maximum Drive Height Limit Switches
(if equipped)
5 Lower the platform onto the safety arm.
6 While raising the platform from the ground
controls and working with the maximum drive
height limit switch at the battery side of the
machine, push the arm of the maximum drive
height limit switch towards the steer end of the
machine to activate the limit switch.
Result: The platform stops raising. The machine
is functioning properly.
Result: The platform continues to raise. Adjust
or replace the maximum drive height limit
switch.
Note: Repeat this procedure for the maximum
drive height limit switch at ground controls side of
the machine.
7 Return the safety arm to the stowed position.
8 Lower the platform to the stowed position and
turn off the machine.
CHECKLIST B PROCEDURES