JLG 4017 Operator Manual - Manual (Page 74)

Section 4 - Attachments
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Mechanical Quick-Switch Device
This installation procedure is designed for one-person operation.
1. Retract quick-switch device to provide clearance.
Check to be sure lock pin and retainer pin is out.
2. Align attachment pin with recess in attachment.
Raise boom slightly to engage attachment pin in
recess.
3. Engage quick-switch device.
4. Shut off engine. Exit cab and insert lock pin and
secure with retainer pin.
5. If attachment is equipped, connect auxiliary hydraulic hoses. See “Hydraulic
Operated Attachment” on page 4-10.