JLG 1850SJ Service Manual - Manual (Page 242)

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-72 – JLG Lift – 3121619
TELESCOPE IN
1. Install a high pressure gauge at the “M7” port of the
main valve block.
2. Plug the telescope in hose either at the valve bank (port
#7) or at the inlet of the telescope cylinder (V2).
3. Activate telescope in. The gauge should read 3300 psi.
(227 bar). The adjustment cartridge is located at 3
o’clock adjacent to “M7” gauge port. Turn clockwise to
increase, counterclockwise to decrease.