Operator's Manual Third Edition • First Printing
Inspections
38 ZX-135/70 Part No. 1272823GT
Test the Drive Enable System
65 Press down the foot switch and lower the boom
to the stowed position.
66 Rotate the turntable until the primary boom
moves past one of the circle-end tires.
Result: The drive enable
indicator light should come on
and remain on while the boom
is anywhere in the range
shown.
67 Move the drive control handle off center.
Result: The drive function should not operate.
68 Move the drive enable toggle switch 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.
If the drive control handle is not moved within two
seconds of moving the drive enable toggle switch,
the drive function will not operate.
Test Limited Drive Speed
69 Press down the foot switch.
70 Raise the primary boom to 10° above
horizontal.
71 Slowly move the drive control handle to the full
drive position.
Result: The maximum achievable drive speed
with the primary boom raised should not
exceed 30 cm/s.
Note: The machine will travel 12 m in 40 seconds.
72 Lower the primary boom to the stowed
position.
73 Extend the primary boom 1.2 m.
74 Slowly move the drive control handle to the full
drive position.
Result: The maximum achievable drive speed
with the primary boom extended should not
exceed 30 cm/s.
Note: The machine will travel 12 m in 40 seconds.
75 Retract the primary boom to the stowed
position.
76 Raise the secondary boom to 5° above
horizontal.
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