JLG G12-55A Operator Manual - Manual (Page 84)

Section 5 - Attachments
5-12 31200745
5. Raise boom to eye level and visually check
that the lock pins protrude through the holes
on both sides of the quick switch. If the lock
pins do not protrude through the holes,
place the attachment on the ground and
return to step 2.
6. If attachment is equipped, connect auxiliary hydraulic hoses. See “Hydraulic
Operated Attachment” on page 5-12.
Hydraulic Operated Attachment
1. Install attachment (see page 5-9).
2. Lower attachment to ground and perform “Shut-Down Procedure” on page 4-4.
3. Press the decompression valve button (1) to relieve auxiliary hydraulic
pressure.
4. Connect attachment hoses to both auxiliary fittings (2).
OY3310
ENGAGED
DISENGAGED
OW1240
1
OY1720
2