Lifting Equipment LTD News

A-FRAME / MOBILE GANTRIES

USING A FRAME / MOBILE GANTRIES SAFELY, + INSPECTION AND MAINTENANCE.

SAFE USE:-

• Check the mobile gantry/A frame before use, Never use defective gantries.
• If it has been dismantled, ensure it is correctly erected and that all bolts etc. are all in place.
• Ensure the surface on which the a-frame is placed is level, even and capable of taking the imposed loads. Where necessary use floor plates to achieve this. Beware of hidden dangers such as buried cables and pipes etc.
• Position the gantry so that the lifting machine is directly over the load and the beam is in line with the direction of travel required.
• Where fitted, apply brakes, parking jacks or wheel locks before attempting to raise the load.
• Avoid swinging loads. The centre of gravity of the load should always be under the runway centre line or the gantry may topple over.
• Never rotate loads unless the centre of gravity will remain under the centre line of the runway beam.
• Never attempt to move a gantry whilst under load.
• Disconnect power supplies etc. before attempting to move the gantry to a new position.
• Never use a vehicle, winch etc. to tow a gantry. They can easily topple over if not moved with care.
• Never place ladders against, or climb on, unrestrained gantries.

NEVER FORGET!

NEVER OVERLOAD A MOBILE GANTRY

NEVER MOVE A GANTRY UNDER LOAD

NEVER ATTEMPT TO DRAG LOADS

NEVER SWING LOADS TO THE SIDE OR BEYOND THE END OF THE TRACK

NEVER CLIMB ON AN UNRESTRAINED GANTRY.

IN-SERVICE INSPECTIONS:

Regularly inspect the a-frame / mobile gantry. If any of the following defects are found, refer to a competent person immediately.

• Any structural defects, damage, distortion or cracked welds
• Loose or missing bolts, locking pins etc.
• Damaged wheels, jacks or ineffective brakes
• Damaged or missing runway end stops
• Illegible markings.

A-FRAME / MOBILE GANTRY INSPECTION POINTS:

MAINTENANCE:

The maintenance requirements may be combined with those of the lifting machine (hoist).

Bearings and screw jacks should be lubricated.

The running surface of the track should be clean and free of debris etc.

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