Test The Drive Speed - Stowed Position - Genie ZX-135/70 Service Manual

Service Manual
Checklist B Procedures
B-14
Test the Drive Speed – Stowed
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.
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 Press the engine rpm select button until the
foot switch activated high idle (rabbit symbol)
is selected.
4 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.
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5 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.
6 Continue at full speed and note the time when
the machine reference point crosses the finish
line. Refer to Specifications, Performance
Specifications.
ZX-135/70
August 2014
Part No. 218700