Boom Interlock; Frame Level - Skyjack SJ643 TH Operating Manual

Section 3 – Familiarization Safety Features and Devices

3.4-5 Boom Interlock

The boom interlock feature does not allow the frame
to be levelled beyond 4˚ left or 4˚ right when the
boom is above 40˚, and prevents the boom from
raising above 40˚ if the frame level is greater than 4˚
in left or right directions.
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Figure 05 Frame Level and Boom Interlock Light
When activated, the Frame Level and Boom
illuminates on the dash in the
Interlock Light
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operator's cab (see Section 3.3-4).

3.4-6 Frame Level

Allows the operator to laterally level the telehandler
on uneven ground before elevating a load or before
travelling across a slope. Leveling the frame increases
stability of the telehandler.
Figure 06 Frame Level Indicator
The frame level indicator, mounted above the
windshield in the operator's cab, displays the current
frame level measurement. For details on how to level
the frame, see Section 5.5.
216201ADA SJ643 TH & SJ843 TH
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