Maintenance Manual November 2021
Quarterly Maintenance Procedures
44 Scissor Lifts Part No. 1305686GT
Q-17
Test the Drive Brakes
Genie specifications require that this procedure be
performed quarterly.
Proper brake action is essential to safe machine
operation. The drive brake function should operate
smoothly, free of hesitation, jerking and unusual
noise. Hydraulically and electrically released,
spring applied individual wheel brakes can appear
to operate normally when they are actually not fully
operational.
Collision hazard. Be sure that the
machine is not in free
-wheel or
-wheel configuration.
Refer to maintenance procedure,
Confirm the Proper Brake
Conf
iguration.
Note: Select a test area that is firm, level and free
of obstructions.
Note: Be sure the platform deck extension deck is
fully retracted and the platform is in the stowed
position.
1 Mark a test line on the ground for reference.
2 Choose a point on the machine (i.e., contact
patch of a tire) as a visual reference for use
when crossing the test line.
3 Bring the machine to top drive speed before
reaching the test line. Release the drive
joystick when your reference point on the
machine crosses the test line.
4 Measure the distance between the test line
and your machine reference point. Refer to
Specifications, Performance Specifications.
Note: The brakes must be able to hold the
machine on any slope it is able to climb.
Q-18
Test the Drive Speed – Stowed
Position
Genie specifications require that this procedure be
performed quarterly.
Proper drive function is 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.
Note: Perform this procedure with the machine in
the stowed position.
1 Create start and finish lines by marking two
lines on the ground 40 feet / 12.2 m apart.
2 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.
Note: Be sure the low drive speed light (if
equipped) is off. If the low dive speed light is on,
press the drive speed select button to turn off the
low drive speed function.
3 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.
4 Continue at full speed and note the time when
the machine reference point crosses the finish
line. Refer to Specifications, Drive Speed
Specifications.
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