Seventh Edition • First Printing
Operator's Manual
Inspections
Part No. 1297937GT
Z
®
-
34/22N • Z
®
-34/22DC
27
Test Drive and Braking
27
Press down the foot switch.
28
Slowly move the drive control handle in the
direction indicated by the blue arrow on the
control panel until the machine begins to move,
then return the handle to the center position.
Result: The machine should move in the
direction that the blue arrow points on the drive
chassis, then come to an abrupt stop.
29
Slowly move the control handle in the direction
indicated by the yellow arrow on the control
panel until the machine begins to move, then
return the handle to the center position.
Result: The machine should move in the
direction that the yellow arrow points on the
drive chassis, then come to an abrupt stop.
Note: The brakes must be able to hold the machine
on any slope it is able to climb.
Test the Drive Enable System
30
Press down the foot switch and lower the boom
to the stowed position.
31
Rotate the turntable until the primary boom
moves past one of the non-steer wheels.
Result: The drive enable
indicator light should
come on and remain on
while the boom is
anywhere in the range
shown.
32
Move the drive control handle off center.
Result: The drive function should not operate.
33
Hold the drive enable toggle switch up or down
and slowly move the drive control handle off
center.
Result: The drive function should operate.
Note: When the drive enable system is in use, the
machine may drive in the opposite direction that the
drive and steer control handle is moved.
Use the color-coded direction
arrows on the platform controls
and the drive chassis to identify
the direction of travel.
