Optional Equipment; Positive Air Shutoff Switch (If Equipped); Reserve Braking System (If Equipped); Flashing Beacon (If Equipped) - Skyjack SJ643 TH Operating Manual

Optional Equipment

3.5 Optional Equipment
The following descriptions are for identification,
explanation and locating purposes only.
3.5-1 Positive Air Shutoff Switch
(If Equipped)
This system provides emergency over-speed
shutdown protection for the engine. The engine will
shut down and a red indicator light on the dash will
illuminate for a few seconds.
When red indicator light is illuminated, telehandler will
have no power and engine will not turn on.
3.5-2 Reserve Braking System
(If Equipped)
In addition to the service brake, telehandlers equipped
with this option have a secondary braking system.
When the red warning light illuminates, stop the
telehandler immediately and have it serviced by a
trained technician.
WARNING
Do not operate telehandler when red indicator
light is illuminated. Stop telehandler and have
it serviced by a qualified/competent repair
personnel.

3.5-3 Flashing Beacon (If Equipped)

The flashing beacon is located on top of the
operator's cab. This light is operational when key is in
on position.
Figure 07 Flashing Beacon
SJ643 TH & SJ843 TH
3.5-4 Road Lights, Boom Lights & Work
Lights (If Equipped)
The boom lights are mounted at the front of the main
boom section.
The work lights are mounted on the frame as well as
on top of the operator's cab.
The road lights (front headlights and taillights) have
two settings; high beam and low beam headlights.

3.5-5 Fire Extinguisher (If Equipped)

The fire extinguisher is mounted to the frame at the
rear left side of the telehander, beside the engine air
intake access door.
3.5-6 Back-up Sensor with Display
Buzzer (If Equipped)
The back-up display buzzer is mounted to the dash
inside the cab and warns the operator of objects
behind the telehandler. When an object is detected,
the buzzer beeps continuously and the range
illuminate. As objects become
indicator lights
1
closer, beeping increases in frequency and more
range indicator lights illuminate.
1
Figure 08 Back-up Display Buzzer
Range Indicator Lights: These lights illuminate
1
from left to right to indicate a relative distance to
the closest detected object.
Section 3 – Familiarization
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