JS07N·JS07·JS08·JS12·JS14
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Maintenance
B-9
Test the Drive Speed-Platform Raised
This procedure should be performed every 250
hours or quarterly, whichever comes first.
Proper drive functions are essential to safe
machine operation. The drive function should
respond quickly and smoothly to operator con-
trol. Drive performance should also be free of
hesitation, jerking and unusual noise over the
entire proportionally controlled speed range.
Perform this procedure with the machine on a
firm, level surface that is free of obstructions.
1. Create start and finish lines by marking
two lines on the ground 40 feet/12.2 m apart.
2. Turn the key switch to platform control
and pull out the red Emergency Stop button to
the on position at both the ground and plat-
form controls.
3. Press the platform up button.
a. Platform up button b. Drive function select button
4. Press function button
5. Raise the platform approximately 2 m
from the ground.
6. Press drive function select button
7. Choose a point on the machine; i.e., con-
tact patch of a tire, as a visual reference for
use when crossing the start and finish lines.
8. Move the control handle to drive at the
maximum speed. Begin timing when the refer-
ence points cross the start line.
9. Continue at full speed and note the time
when your reference point on the machine
passes the finish line. Refer to specification.
B-10
Test the Drive Speed-Platform
Stowed, Slow
This procedure should be performed every 250
hours or quarterly, whichever comes first.
Proper drive functions are essential to safe
machine operation. The drive function should
respond quickly and smoothly to operator con-
trol. Drive performance should also be free of
hesitation, jerking and unusual noise over the
entire proportionally controlled speed range.
Perform this procedure with the machine on a
firm, level surface that is free of obstructions.
1. Create start and finish lines by marking
two lines on the ground 40 feet/12.2 m apart.
2. Turn the key switch to platform control
and pull out the red Emergency Stop button to
the on position at both the ground and plat-
form controls.
3. Lower the platform to the stowed position.
4. Press the drive speed select button
a. drive speed select button
5. Choose a point on the machine; i.e., con-
tact patch of a tire, as a visual reference for
use when crossing the test line.
6. Move the control handle to drive at the
maximum speed. Begin timing when the refer-
ence points cross the start line.
7. Continue at full speed and note the time
when your reference point on the machine
passes the finish line. More than 25S
B-11
Perform Hydraulic Oil Analysis
This procedure should be performed every 250
hours or quarterly, whichever comes first.
Replacement or testing of the hydraulic oil is
essential for good machine performance and
service life. Dirty oil may cause the machine to
perform poorly and continued use may cause
component damage. Extremely dirty condi-
tions may require oil changes to be performed
more often.
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