JLG 1500SJ Service Manual - Manual (Page 431)

SECTION 5 - HYDRAULICS
3121262 – JLG Lift – 5-79
JIB LIFT UP
1. Install a high pressure gauge at the MJB port.
2. Fully extend the jib lift cylinder or cap port JB.
3. Set the Jib Lift Up pressure to 2800 psi (193 Bar).
Turning the adjustment clockwise increases pres-
sure, turning the adjustment counterclockwise
decreases pressure.
JIB LIFT DOWN
1. Install a high pressure gauge at the MJA port.
2. Fully retract the jib lift cylinder or cap port JB.
3. Set the Jib Lift Down pressure to 1200 psi (82.7 Bar).
Turning the adjustment clockwise increases pres-
sure, turning the adjustment counterclockwise
decreases pressure.