JLG 642 Operation & Safety Manual page 119

Installation Procedure:
• Refer to "Attachment Installation" on page 5-9.
CRUSH HAZARD. Do not use mast to push or pull objects or load. Failure to comply
could cause object or load to fall.
Operation:
• Always lower forks fully in mast before engaging load.
• To drive with a load, lower forks fully in mast and travel in accordance with
requirements set forth in Section 1—General Safety Practices.
• Use a signal person to assist in positioning of load if necessary.
Equipment Damage Precautions:
• Do not use forks as a lever to pry material. Excessive prying forces could damage forks
or machine structure.
• Do not attempt to lift loads that are attached or connected to another object.
31211031
WARNING
Section 5—Attachments
5-25