Genie GS-2669 RT Service Manual page 116

Section 4 • Repair Procedures
GROUND CONTROLS
Confirm the side-to-side level sensor setting:
20 Center a lifting jack under the drive chassis at
the ground control side of the machine.
21 Raise the machine approximately
6 inches / 15 cm.
22 Models with RT tires: Place a
2.15 x 10 x 10 inch / 5.46 x 25 x 25 cm thick
steel block under both wheels at the ground
controls side of the machine.
23 Lower the machine onto the blocks.
24 Pull out the red Emergency Stop button to the
on position at platform controls. Start the
engine.
25 Raise the platform at least 12 feet / 3.6 m.
Result: The platform stops raising and the tilt
alarm will sound at 180 beeps per minute.
Result: The platform does not stop raising and
the tilt alarm does not sound. The level sensor
must be replaced. Repeat this procedure
beginning with step 2.
Note: For reference only, the output of the level
sensor should be approximately 1.7V DC. To
confirm, connect the positive lead of a multimeter
to the yellow wire at the level sensor, and the
negative lead to the black wire.
26 Raise the machine approximately
6 inches / 15 cm.
27 Remove the blocks from under both wheels.
28 Lower the machine and remove the jack.
4 - 46 GS-2669 RT • GS-3369 RT • GS-4069 RT
29 Center a lifting jack under the drive chassis at
the tank side of the machine.
30 Raise the machine approximately
6 inches / 15 cm.
31 Models with RT tires: Place a
2.15 x 10 x 10 inch / 5.46 x 25 x 25 cm thick
steel block under both wheels at the ground
controls side of the machine.
32 Raise the platform at least 12 feet / 3.6 m.
Result: The platform stops raising and the tilt
alarm will sound at 180 beeps per minute.
Result: The platform does not stop raising and
the tilt alarm does not sound. The level sensor
must be replaced. Repeat this procedure
beginning with step 2.
Note: For reference only, the output of the level
sensor should be approximately 3.3V DC. To
confirm, connect the positive lead of a multimeter
to the yellow wire at the level sensor, and the
negative lead to the black wire.
33 Lower the platform to the stowed position.
34 Raise the machine approximately
6 inches / 15 cm.
35 Remove the blocks from under both wheels.
36 Lower the machine and remove the jack.
November 2014
Part No. 229753