JLG 4017 Eccupped for Platform Operator Manual - Manual (Page 81)

Section 4 - Attachments & Hitch Options
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4.5 ATTACHMENT INSTALLATION
1. Attachment
2. Attachment Pin Recess
3. Attachment Pin
4. Lock Pin
5. Retainer Pin
6. Quick-Switch device (attachment tilt control in cab, see page 2-28 for details)
WARNING
CRUSH HAZARD. Always be certain that carriage or attachment is properly
positioned on boom and is secured by lock pin and retainer pin. Failure to ensure
proper installation could permit carriage/attachment/load to disengage causing
death or serious injury.