Test The Drive Speed - Stowed Position; Test The Drive Speed - Raised Or Extended Position - Genie S-80 Service Manual

February 2017
B-16
Test the Drive Speed – Stowed
Position
Genie specifications require that this procedure be
performed every 250 hours or quarterly, whichever
comes first.
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: Select
a test area that is firm, level and free of
obstructions.
Note: Perform this procedure with the boom in the
stowed position.
1 Create start and finish lines by marking two
lines on the ground 40 feet / 12.2 m apart.
2 Start the engine from the platform controls.
3 Move the engine idle select switch to foot
switch activated high idle (rabbit and foot
switch symbol).
4 Lower the boom to the stowed position.
5 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.
6 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.
7 Continue at full speed and note the time when
the machine reference point crosses the finish
line. Refer to Specifications, Performance
Specifications.
Note: To adjust the speed, refer to Repair
Procedure, How to Adjust the Joystick Max-out
Setting.
Part No. 1259369GT
Checklist B Procedures
B-17
Test the Drive Speed – Raised or
Extended Position
Genie specifications require that this procedure be
performed every 250 hours or quarterly, whichever
comes first.
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: Select
a test area that is firm, level and free of
obstructions.
1 Create start and finish lines by marking two
lines on the ground 40 feet / 12.2 m apart.
2 Start the engine from the platform controls.
3 Move the engine idle select toggle switch to
foot switch activated high idle (rabbit and foot
switch symbol).
4 Press down the foot switch and raise the boom
10° above horizontal.
5 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.
6 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.
S-80 • S-85 • S-80X
Service Manual
41