Extend-A-Reach; Adjustment Procedure For Lockout Valve - JLG 450A Service And Maintenance Manual

SECTION 2 - PROCEDURES

2.15 EXTEND-A-REACH

Removal
1. Place the Extend-A-Reach in a horizontal position
and support the complete assembly with adequate
blocking.
2. Remove the Platform as follows:
a. Disconnect the electrical connectors going into
the platform control box.
b. Remove the bolts, nuts, and washers connect-
ing the platform basket to the platform support.
c. Using a suitable lifting device, remove the plat-
form basket from the platform support.
3. Tag and disconnect the hydraulic lines running to
the extend-a-reach. Use a suitable container to col-
lect any residual fluid. Cap the hydraulic lines and
ports.
4. Remove the hardware securing the extend-a-reach
pivot pin at the boom. Using a suitable brass drift
and hammer, remove the pin from the fly boom. Use
a suitable lifting device and remove the extend a
reach.
ROTATE CYLINDER
2-28
GUARD
PIVOT SHAFT
PLATFORM SUPPORT
Figure 2-23. Extend-A-Reach
– JLG Lift –
2.16 ADJUSTMENT PROCEDURE FOR
LOCKOUT VALVE
1. With the turntable centered, adjust the bracket with
the washers to push the plunger in 7.9 mm ± 1.6
mm (5/16" ± 1/16").
BRACKET
E.A.R. CYLINDER
CHECK VALVE
WASHER
LOCKOUT
VALVE
TOP TUBE
BOTTOM TUBE
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