Test The Drive Speed Limit Switch - Genie Z-25/8 Service Manual

First Edition • Third Printing
6 Test all ground and platform control functions.
Result: No drive functions should operate. The
boom up function should not operate. The jib
boom function should not operate. The jib rotate
function should not operate. Activating the
down function should cause the hydraulic pump
to run.
7 Remove the tilt sensor test tool.
tilt sensor
Part No. 41314 Genie Z-20/8N & Genie Z-20/8 & Genie Z-25/8
Section 4 • Scheduled Maintenance Procedures
TABLE A PROCEDURES
A-9

Test the Drive Speed Limit Switch

Detecting drive speed limit switch malfunctions is
essential to safe machine operation. The drive
speed limit switch is used to restrict drive speed
when the boom is raised. An improperly functioning
drive speed limit switch will allow the boom to raise
and/or drive into an unsafe position.
Z-25/8 before serial number 233
Z-20/8 before serial number 125
Z-20/8N before serial number 1073:
1 Locate the drive speed limit switch through the
access hole located below the boom rest.
a
a drive speed limit switch
2 With the boom in the stowed position, visually
inspect the boom limit switch for the following:
· Broken or missing roller arm
· Missing fasteners
· Loose wiring
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