August 2007
SKYJACK, Page 20
Section 2 - Operation
SJM & SJII Series
2-10-b. Base Controls
This control station is located in the Hydraulic/Electric
tray. It contains the following controls:
Figure 2-5. SJM Series Electrical Panel
Figure 2-5b. SJll Series Electrical Panel
1. Buzzer Alarm - This audible pulse alarm will beep
in varying intervals depending on the status of the
platform.
2. Platform Up/Down Toggle Switch - This toggle
type switch raises or lowers the platform to a
desired height.
3. Hourmeter - This gauge records the accumulated
time of operation of the aerial platform.
4. Circuit Breaker Resets - In the event of a power
overload or positive circuit grounding, the circuit
breaker will pop out.
2-10-c. Base Control Box (If Equipped)
This control station is found on the rear of the base.
It contains the following controls:
Figure 2-6. Base Control Box
1. Platform/Base Select Key Switch - Key to
“PLATFORM” position directs power to the
operator’s control box on the platform. Key to
“BASE” position directs power to the base control
box.
2. Platform Up/Down Toggle Switch - This toggle
type switch raises or lowers the platform to a
desired height. To raise the platform, key to “BASE”
position, then move switch to “
××
××
ד (up) position.
Release switch to stop. To lower the platform, key
to “BASE” position, then move switch to “Ø“
(down) position. Release switch to stop.
3. Emergency Stop Button - When depressed, this
red “mushroom-head” push-button switch
disconnects power to the control circuit.
2-11. Motion Alarm (If Equipped)
• The aerial platform is equipped with a motion
alarm. The alarm produces an audible sound at a
rate of about once every two seconds when any
control function is selected. On machines with
certain options, a flashing amber light will
accompany this alarm.
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