Jlg 1100SJP Operator Manual Manuel d'utilisateur Page 57

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SECTION 4 - MACHINE OPERATION
3121255 – JLG Lift – 4-3
Envelope Tracking
When the platform approaches the edges of the operating
envelope all machine functions are slowed down automati-
cally by the boom control system to reduce machine
motions.
NOTE: Boom Control System in Automatic Mode: When the
boom is completely elevated along the edge of the back-
ward stability region and the telescope in function is acti-
vated, lift down will automatically function until the boom
is away from the edge of the backward stability region.
Boom Control System in Manual Mode: The boom will
stop when the end of the envelope is reached and the
operator must activate lift and/or telescope in the proper
direction to bring the boom back into the envelope.
The Boom Control system will only allow the boom to
operate in Automatic mode from the Ground Control Sta-
tion.
Controlled Angle
NOTE: The Controlled Angle function is only available in Auto-
matic mode.
The control system automatically maintains a constant ele-
vated boom angle when swinging the turntable. If the boom
angle is at 30 degrees, swing engaged by its self shall add lift
to maintain the relative boom angle at 30 degrees.
Swing Speed Proportioning
The boom control system sensors sense the distance the
platform is extended from the turntable, allowing higher
swing speeds with the boom retracted and gradually slower
swing speeds as the boom is extended.
BUFFER LINE
ENVELOPE
SLOWDOWN LINE
BUFFER
ZONE
SLOWDOWN
ZONE
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