Section 4 • Repair Procedures
REV B
June 2007
Part No. 112657
GS-2668 RT • GS-3268 RT
4 - 49
36 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.
37 Lower the platform to the stowed position.
38 Raise the machine slightly.
39 Remove the blocks from under both wheels.
40 Lower the machine and remove the jack.
Confirm the front-to-back level sensor setting:
41 Center a lifting jack under the drive chassis at
the steer end of the machine.
42 Raise the machine approximately
6 inches / 15 cm.
43 Place a 4.08 x 10 x 10 inch / 10.36 x 25 x 25 cm
thick steel block under both wheels at the steer
end of the machine.
44 Lower the machine onto the blocks.
45 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 1.5V DC. To
confirm, connect the positive lead of a multimeter
to the blue wire at the level sensor, and the
negative lead to the black wire.
46 Lower the platform to the stowed position.
47 Raise the machine slightly.
48 Remove the blocks from under both wheels.
49 Lower the machine and remove the jack.
50 Center a lifting jack under the drive chassis at
the non-steer end of the machine.
51 Raise the machine approximately
6 inches / 15 cm.
52 Place a 4.08 x 10 x 10 inch / 10.36 x 25 x 25 cm
thick steel block under both wheels at the
non-steer end of the machine.
53 Lower the machine onto the blocks.
54 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 3.4V DC. To
confirm, connect the positive lead of a multimeter
to the blue wire at the level sensor, and the
negative lead to the black wire.
55 Lower the platform to the stowed position.
56 Raise the machine slightly.
57 Remove the blocks from under both wheels.
58 Lower the machine and remove the jack.
59 Turn the key switch to the off position.
GROUND CONTROLS
Summary of Contents for GS-2668 RT
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