Genie GR-12 Service Manual page 70

Section 4 • Repair Procedures
GROUND CONTROLS
4 Install the level sensor adjusting fasteners
through the level sensor and springs, and into
the mount. Tighten the fasteners and measure
the distance between the level sensor and the
level sensor mount.
Result: The measurement should be
3
approximately / inch / 10 mm.
8
5 Connect the chassis wire harness to the level
sensor wire harness.
6 Tighten the level sensor adjusting fasteners
until the bubble in the top of the level sensor is
centered in the calibration circles.
a
a adjusting fastener
b calibration circles
c ground controls
4 - 22
c
b
GR-12 • GR-15 • GR-20
7 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both the ground and platform
controls.
Result: The tilt sensor alarm should not sound.
8 Center a lifting jack under the drive chassis at
the ground controls side of the machine.
9 Raise the machine approximately
2 inches / 5 cm.
10 GR-12 and GR-15: Place a 0.65 x 6 x 6
inch / 1.65 x 15 x 15 cm thick steel block under
both wheels at the ground controls side of the
machine.
GR-20: Place a 0.7 x 6 x 6 inch / 1.78 x 15 x
15 cm thick steel block under both wheels at
the ground controls side of the machine.
11 Lower the machine onto the blocks.
12 Raise the platform approximately 1 foot / 30 cm.
Result: The level sensor alarm should not
sound.
Result: The level sensor alarm does sound.
Adjust the level sensor retaining fasteners just
until the level sensor alarm does not sound.
13 Lower the platform to the stowed position.
14 Raise the machine slightly.
15 Remove the blocks from under both wheels.
16 Lower the machine and remove the jack.
17 Center a lifting jack under the drive chassis at
the tank side of the machine.
November 2005
REV A
Part No. 84700