Adjustments Made At The Frame Valve Bank - JLG 1850SJ Service And Maintenance Manual

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS

3. Adjustments Made at the Frame Valve Bank

AXLE EXTEND AND RETRACT, FRONT AND REAR
1. To extend the axles drive the machine back and forth
until extended. A machine that cannot be driven must
be jacked up.
2. On both the front and rear frame valve banks install a
high pressure gauge on ports "MA1" for retract and
"MA2" for extend. The gauge should read 2500 psi. for
both directions.
5-120
3. Turn clockwise to increase, counterclockwise to
decrease.
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