Test The Drive Speed - Raised Or Extended Position - Genie S-100 Service Manual

Section 4 • Scheduled Maintenance Procedures
CHECKLIST B PROCEDURES
B-21
Test the Drive Speed -
Raised or Extended Position
Genie requires that this procedure
be performed every 250 hours or
quarterly, whichever comes first.
Proper drive function movement 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.
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 Press the engine idle select button until the foot
switch activated high idle (rabbit and foot switch
symbol) is selected.
4 Raise the boom until the engine rpm switches to
low speed.
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.
4 - 42
7 Continue at full speed and note the time when
the machine reference point crosses the finish
line. Refer to Section 2, Specifications .
8 Lower the boom below horizontal.
9 Extend the boom approximately 4 feet (1.2 m).
10 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.
11 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.
12 Continue at full speed and note the time when
the machine reference point crosses the finish
line. Refer to Section 2, Specifications .
13 Raise the boom to a horizontal position.
14 Extend the boom until the raise boom LED and
envelope alarm are activated.
15 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.
16 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.
17 Continue at full speed and note the time when
the machine reference point crosses the finish
line. Refer to Section 2, Specifications .
S-100 & S-105 & S-120 & S-125
January 2010
REV B
Part No. 62401