JLG 1500SJ Service Manual - Manual (Page 525)

SECTION 6 - JLG CONTROL SYSTEM
3121262 – JLG Lift – 6-73
8. Use the arrow keys to reach Upper Lift Crack Point
(UPPER LIFT CRKPT). The screen will read:
9. Hit enter. The screen will read:
10. Hit Enter. The screen will read:
11. Hit Enter again. The screen will read:
12. Activate the Lift Up function by fully stroking the joy-
stick until the boom starts to move, then leave off
immediately. The display will read CRK PT = and
show the numeric crack point value.