JLG 740AJ ANSI Operator Manual - Manual (Page 85)

SECTION 4 - MACHINE OPERATION
3121650 – JLG Lift – 4-19
6. Lower the tower boom fully and con-
tinue to hold down the switch to
Tower Down for an additional 20 sec-
onds.
7. Repeat steps 3 thru 6 as necessary until the upright is 90°
(vertical) relative to the chassis.
Figure 4-7. Releveling Valve