Southworth Pallet Unloader, Installation, Operation & Maintenance Manual

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Southworth Products PUN Manual PUN Manual 15
6. Maintenance
To avoid death or serious injury:
• Only trained and/or qualified personnel shall perform maintenance or repair.
• All maintenance shall be perform with the bucket in the fully lowered position.
• Ensure pressure has been released from the hydraulic system before
performing any maintenance. Pressurized fluid can penetrate skin and cause
death or severe injury.
• No adjustment to the hydraulic relief valve shall be made. Changing the relief
valve setting may cause the machine to act in an unpredictable manner.
• All labeling shall be legible. If labels are missing, damaged, or otherwise
illegible contact the manufacturer for replacement labels.
It is important to immobilize parts of the tilt and dump mechanisms before you service the
unit. Please follow all of these steps whenever you work on the unit:
1. Lower the bucket completely to the loading position. The cylinders and other
parts can be removed safely from either the tilt or dump mechanisms when the
bucket is completely lowered. Normally, you should never need to work under
the bucket. Always stay clear of the space under this enclosure.
2. Turn off the electrical power at the main disconnect or circuit breaker. Follow
standard lock-out, tag-out procedures. Do not let anyone else use the controls
on the unit.
3. When you are finished, operate the machine, without a load, through at least
one cycle. Be sure that it is operating smoothly and properly before returning it to
regular operation.
6.1 Optional Support Stands
The PUN Support Stands shall not be used for hydraulic, electrical, or mechanical
maintenance.
Read and understand the Support Stand Use Procedure before
using the support stands. Failure to follow the use procedure
may result in damage to the machine.
6.1.1. Support Stand Use Procedure
To remove the machine from service:
1. Using the control pushbutton raise the tilt frame to the highest position.
2. Turn the main disconnect switch to the OFF position. Follow Lock Out Tag Out
procedures.
3. Set the support stands at the highest extension pin position.