JLG 1850SJ Service Manual User Manual
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SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
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– JLG Lift –
5-71
4.
Install gauge at MS3, Activate swing left, the gauge
should read 2000 psi. (138 bar), The adjustment is
located at 9 o’clock beside port 3, Turn clockwise to
increase pressure, counter clockwise to decrease pres-
sure.
TELESCOPE OUT
NOTE:
NEVER increase telescope out pressure to achieve desired
telescope length.
1.
Install a high pressure gauge at the “M8” port of the
main valve bank.
2.
Plug the telescope out hose either at the valve bank
(port #8) or at the inlet of the telescope cylinder (V1).
Activate telescope out. The gauge should read 3000 psi
(207 Bar). The adjustment cartridge is located at 2
o’clock adjacent to M8 gauge port. Turn clockwise to
increase, counter clockwise to decrease.