JLG X550AJ Operator Manual - Manual (Page 90)

SECTION 5 - EMERGENCY PROCEDURES
5-10 – JLG Lift – 3128791
For right side (operator's perspective) Outrigger
and Track Functions:
4. Locate the proportional flow valve on the right side of
the chassis attached to the group of four valves (item 1 -
Figure 5-5.). Turn the black knob on the valve clockwise
(tighten) until it stops.
5. With the aid of an assistant, activate the pushbutton for
the desired direction on the appropriate valve solenoid
(valve description below) while pumping the pump han-
dle to achieve the desired function movement.
NOTE: If no assistant is available, the black pushbuttons on
the solenoids may be unscrewed to allow installation
of the valve tool on the solenoids.
• 1st valve (item 2 - Figure 5-5.) (far right - right side of
machine in the group of four) operates Right Rear
Outrigger
• 2nd valve (item 3 - Figure 5-5.) from the right in the
group of four operates Right Front Outrigger
• 3rd valve (item 4 - Figure 5-5.) from the right in the
group operates the Right Track Drive functions.
• 4th valve (item 5 - Figure 5-5.) from right in the group
of four, operates track extension and retraction.
For left side (operator's perspective) Outrigger and
Track Functions
6. Locate the proportional flow valve on the left side of the
chassis attached to the group of three valves (item 6 -
Figure 5-5.). Turn the black knob on the valve clockwise
(tighten) until it stops.
7. Install valve tool on diverter solenoid on left side near
rear outrigger.
8. The lever on the pump (item 2 - Figure 5-4.) must be set
to the left to manually operate left side outrigger and
track functions.
9. With the aid of an assistant, activate the pushbutton for
the desired direction on the appropriate valve solenoid