Envirocon offers a gravity lifter on hire for previous customers who purchased old Interbloc blocks without a lifting anchor. This article cover the safe use of this gravity lifter.
HEALTH AND SAFETY CHECKS BEFORE STARTING
Always check all equipment to be used in the lifting process.
Check the forklift is safe to operate.
Check the lifter to be certain that it is in full working order.
Check for any damage or cracks on key welds. always get the production manager to verify the equipment is fully functional for any uncertainties.
Check the area in which you intend to lift the blocks and ensure there are no hazards that will make it unsafe to do so.
PROCESS
Lifter Specifications:
Metric
(mm-kg)
Imperial
(Inch-lb.)
Grip range
150 – 1100
6” – 43.3”
Working load limit
3000
6614
Net weight
161
355
Gross weight
175
386
SETTING UP THE LIFTER
Attach lifter to forklift/excavator.
The lifter should be securely attached to the lifting method chosen.
Be sure the hook/shackle on the lifter is fully engaged
Check that the lifter is in full working order
Check for any cracks on the lifter
Check the rubber pads are not worn down/torn
Make sure the pads are locked on their tracks
If any damage is found do not use the gravity lifter. Any damage must be reported to the production manager
PICKING UP THE BLOCK
When ready to begin picking up a block move the lifter over the top of the block
Be sure that the pads are adjusted so that they can grip the block tightly
Lower the lifter over the block and allow the lifter to sit fully down on the block
The lifter should release its internal lock automatically
DO NOT PUT YOUR HANDS IN THE LIFTER AT ANY TIME to try to unlock it
Once the lock has disengaged, begin to lift the forks up
As you lift, the locking pin will rotate by itself allowing the arms to grip
If the lock did not disengage DO NOT try to unlock it with your hands
Re-lower the lifter down fully to allow the lifter to disengage
As the lifer moves up the pads will begin to squeeze the block and lift it up
Once the block is lifted off the ground begin to move to where you want to place it
Keep the block low to the ground until you need to lift it to place to reduce the risk of injury
When the block is in the air keep all body parts away from underneath
PLACING THE BLOCK
Once the block is ready to be placed, begin to lower it down
Once the block is down, fully lower the lifter down to reengage the auto lock on the lifter
Begin to lift the lifter off the block
If the lifter does not disengage from the block, lower the lifter down fully to re-engage the lock
Do NOT attempt to re-engage the lock using your hands
Once the lifter has been taken off the block move on to placing your next block
REMOVING THE LIFTER
Once finished using the lifter, remove it from the forklift/digger by placing it down on the ground
Be sure the lifter is locked in the open position
If the lifter is not locked, lower it on the ground to lock it
Remove the lifter from the forklift/digger and inspect for any damage to the lifter
Any damage should be immediately reported so that the lifter can be assessed and repaired if possible
