Brake Release System; Secondary Guarding Electrical (Sge) - Skyjack SJ85 AJ Operating Manual

Section 3 – Familiarization

3.4-8 Brake release system

The brake release system is located in the control
compartment. The brakes must be manually
disengaged before winching or towing. Refer to
Section 6.3-1 for procedure on how to release brakes
manually. The system contains the following controls:
1
Figure 14 Brake release system
7
Brake hand pump
1
7
Brake auto reset valve plunger
2
3.4-9 Secondary guarding electrical
(SGE)
The purpose of this device is to prevent sustained
involuntary operation of the lift, which may result from
accidental contact with the platform controls, and to
activate an alarm (audible/visual) to alert others of the
event.
WARNING
This device will not prevent collision or eliminate
the potential for injuries resulting from a collision.
2
Figure 15 Secondary guarding electrical (SGE)
213217AAA
32
2
3 1
7
Sensor bar - This bar is located in front of the
1
platform control console. When pressure is
applied to the sensor bar, it interrupts/halts all
functions.
7
Reset button - This button is located on the
2
top left corner of the platform control console. It
lights up when pressure is applied to the sensor
bar for more than 1 second. When depressed, it
shuts off the audible/visual alarm.
7
Audible/visual alarm - This alarm is located on
3
the underside of the platform control console. It
activates when pressure is applied to the sensor
bar.
SGE operation
1. When pressure is applied to the sensor bar for
less than 1 second, the audible/visual alarm
will activate while the bar is being pressed,
interrupting all functions. The audible/visual
alarm will turn off after the sensor bar is
released, and functions will resume.
2. When pressure is applied to the sensor bar for
more than 1 second, the audible/visual alarm
will activate and the engine will shut off, halting
all functions. The reset button will illuminate.
Emergency power functions remain active.
3. After removing pressure from the bar, press the
reset button to shut off the audible/visual alarm
and resume all functions.
Features and Devices
SJ85 AJ