Test The Drive Speed - Raised Position - Genie GR-20J Service Manual

September 2016
B-9
Test the Drive Speed -
Raised Position
Genie specifications require that this procedure 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 control.
Drive performance should also be free of
hesitation, jerking and unusual noise over the
entire proportionally controlled speed range.
Note: 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 platform
controls.
Note: Rotate the red Emergency Stop button at
platform control one quarter turn in a clockwise
direction to restore the power supply. The red
Emergency Stop button returns automatically to
the out, or on position.
3 Press the lift function select button.
4 Press and hold the function enable switch on
the joystick.
Part No. 227656
Section 3 • Scheduled Maintenance Procedures
a
b
5 Raise the platform approximately 2 feet / 70 cm
from the ground.
6 Press the drive function select button.
7 Choose a point on the machine i.e. contact
patch of a tire, as a visual reference for use
when crossing the start and finish lines.
8 Bring the machine to top drive speed before
reaching the start line. Begin timing when your
reference point on the machine crosses the
start line.
9 Continue at full speed and note the time when
your reference point on the machine passes
over the finish line. Refer to Section 2,
Specifications .
GR-20J • GR-26J
CHECKLIST B PROCEDURES
a lift function select button BN63
b drive function select button BN130
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