JLG 1850SJ Service Manual - Manual (Page 247)

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
3121619 – JLG Lift – 5-77
JIB TELESCOPE IN
1. Install high pressure gauge at MTA.
2. Retract jib telescope fully.
3. Set pressure at 2850 psi.(197bar). CW increases and CCW
decreases setting. Adjustment is the one closest to MTA.
JIB LIFT UP
1. Install high pressure gauge at port MJB.
2. Fully extend jib lift cylinder or cap port JB.
3. Set pressure to 2800 psi.(193bar). Clockwise increases
and Counterclockwise decreases setting. Adjustment is
on the boom side of MJB.