Connecting With A Universal Quick Attach; Connecting A Hydraulic Operated Attachment; Quick Attach Removal - JLG G5-18A Service Manual

Boom
3.5.3 Connecting with a Universal Quick
Attach
This installation procedure is designed for one-person
operation.
1. Retract quick attach device to provide clearance.
Check to be sure the lock pin handles (7) and pins
(8) are pulled up.
2. Align engaging edge (9) with recess in
attachment (10). Raise boom slightly to engage
attachment pin in recess.
3. Engage quick switch device.
4. Shut off engine. Exit cab and lower lock pin handles
and engage lock pins.
5. If attachment is equipped, connect auxiliary
hydraulic hoses to the corresponding auxiliary
hydraulic fittings on the side of the boom head. See
Section 3.5.4, "Connecting a Hydraulic Operated
Attachment."
3.5.4 Connecting a Hydraulic Operated
Attachment
1. Install the hydraulic Attachment. See Section 3.5.2,
"Connecting with a Hydraulic JLG Quick Attach,"
Section 3.5.3, "Connecting with a Universal Quick
Attach," or Section 3.5.4, "Connecting a Hydraulic
Operated Attachment,"
2. Lower the attachment to the ground and set the park
brake.
3. Press and hold button (11), at the same time move
the joystick to the right to relieve pressure at the
female auxiliary fitting (12).
4. Connect the attachment hose to the female auxiliary
fitting.
5. Press and hold button (11), at the same time move
the joystick to the left to relieve pressure at the male
auxiliary fitting (12).
6. Connect the attachment hose to the male auxiliary
fitting.
3-14
10
9
8
MY2630
7
12
3.5.5

Quick Attach Removal

1. If equipped with a hydraulic quick attach device,
remove both hydraulic hoses (13) from the valve
body on the left side of the boom head.
2. Remove the lock bolt (14) holding the tilt cylinder rod
end pin (15) to the quick attach assembly. Remove
the tilt cylinder pin.
3. Support the quick attach assembly. Remove the lock
bolt (16) holding the quick assembly pin (17) to the
quick attach assembly. Remove the pin from the
quick attach assembly from either side.
4. Inspect the above pin for nicks or surface corrosion.
Use fine emery cloth to fix minor nicks or corrosion.
If damaged or if it cannot be repaired the pin must be
replaced.
MY2640
11
MY2650
13
16
17
14
15
MY2660
G5-18A, 2505