Oshkosh Corporation JLG H800AJ, Operation And Safety Manual

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SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
3121769 – JLG Lift –
2-11
2.3 FUNCTION CHECK
From the Ground Control Console with No Load in the
Platform:
1.
Ensure that all function controls and switches return to the
"off" or neutral position when released.
2.
Operate all functions and ensure proper operation.
3. Test the tower boom assembly sequencing as follows:
a.
Place machine on level ground with the tower boom
assembly in the stowed position. Identify the tower
boom vertical limit switch adjacent to the tower lift cyl
-
inder at the bottom end (rear) of the tower base boom.
Open the left side hood and perform a visual check that
the plunger on the tower boom vertical limit switch is
fully extended. The plunger is shown fully extended in
Figure 2-5.
Figure 2-5. Tower Boom Vertical Limit Switch