JLG 1850SJ Service Manual - Manual (Page 240)

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-70 – JLG Lift – 3121619
LIFT DOWN
1. Install a high pressure gauge at the “M4” port of the
main valve block.
2. Activate lift down to the end of stroke. The gauge
should read 2850 psi. (196 bar). The adjustment car-
tridge is located to the left of the “M4” gauge port. Turn
clockwise to increase, counterclockwise to decrease.
SWING
1. Install a high pressure gauge at port “MS2”.
2. Install the Turntable lock pin.
3. Activate swing right, the gauge should read 2000 psi.
The adjustment cartridge is located at beside the “MS2”
gauge port. Turn clockwise to increase, counterclock-
wise to decrease.