E
10
5. Lifting
• Ensure that the safe working load limit (WLL) and jaw opening (punched on the clamp), correspond to the load
to be lifted
• Mount the lifting clamp onto the hoisting mechanism, either:
- directly to a crane hook by means of a safety shackle
- by means of a U bolt or D shackle
- by means of a sling or chain, if necessary in conjunction with a U bolt or D shackle
• Ensure that all attachments have been tested and are of the correct tonnage
• Make sure that coupling links and shackles are large enough to allow the clamp to move freely in the hook
• Make sure the clamp has no visible signs of damage
• Check the lifting eye and chain for clearly visible wear and/or damage
• Inspect clamping jaws for wear and defects (the clamping jaws must be free from dirt and must be dry and
undamaged)
• Check the frame and the jaw for damage, cracks or deformation (this could indicate overload)
• Check that the clamp opens and closes easily (if it is stiff or heavy then the clamp must be inspected or removed
from service)
• Ensure that at the location of the lifting clamp the plate is free from grease and dirt
• Place the jaw completely over the plate and make sure the clamp is positioned so that the load is balanced
when lifting
• Close the clamp by swivelling the lever
• Lift gently so that the lifting force can engage, check that the clamp does not slip
• If the load slips, read through this chapter on lifting again
• If the load continues to slip, please also check Chapter 6 – Maintenance
• Make sure the load is firmly positioned before the clamp is removed
6. Maintenance
For optimal safety completely check the clamp at least once per month.
Do not use the clamp if:
• It is scratched or deformed
• The lifting eye is visibly deformed
• The spindles are visibly distorted
• The retaining pins are missing
• The side(s) of the legs at the location of the spacer pins is/are pressed in the jaw is damaged or dirty
• Camp is difficult to open or close
On finding any of the above defects, see Chapter 7 and Chapter 8.
7. Disassembling/Assembling
Disassembling
Important! Memorise the individual elements and their mounting
positions during disassembling to ensure that during re-assembling
they are mounted in the correct order and in the correct positions.
• Place the pewag BLCW clamp flat on a workbench
• Remove all nuts and bolts from the clamp
• Remove the plastic jaws
• Remove the legs and all spacers
Assembling
When assembling the clamp carry out the above steps in reverse
order.
• Always use new locknuts and if necessary use new bolts and new
retaining pins
• Tighten all the nuts with such a torque that each fixed arm and/or
leg of the clamp can move without clearance. If in doubt, contact
one of our technicians
• After Assembling, the clamp should be tested on a certified test
bench with a test load of 1.2 x WLL
