Check that the equipment is in good condition.
(a) Check for cracks and scaling.
(b) Make sure all bolts are undamaged and correctly tightened.
(c) Ensure that the attached air line and quick release fitting are in good order.
(d) Check that the AEH pin drive adapter is fitted and the clamp screwed tight.
Each launch vehicle has its own operator's Basic Issue Items (BII) in which there is an air
hose assembly; this is used to supply air for the pneumatic hammer.
On launch vehicles, the air supply quick release connector is at the rear of the vehicle to
the left of the tow hook above the trailer emergency air supply hand gland connector.
On a Common Bridge Transporter (CBT) the air supply quick release is above the air tank
on the right-hand side of the vehicle. The CBT connector is a smaller size so a quick
release adapter is provided.
3.19.5 Using the Pneumatic Hammer
EYE INJURY. WHEN DRIVING ROADFORM SPIKES INTO THE GROUND THERE IS A
POSSIBILITY THAT SMALL METAL FRAGMENTS MAY BE CREATED. PERSONNEL MUST
WEAR EYE PROTECTION. FAILURE TO HEED THIS INSTRUCTION COULD LEAD TO INJURY
TO THE EYES.
Position the vehicle in the center on the approach to the bridge so the air hose will reach
Roll out the air line, remove protective cover from vehicle quick release coupling (if fitted).
Taking care fit the hose to the vehicle making sure it is properly connected, connect the
pneumatic hammer to the other end, again making sure it is properly connected.
Before starting to use the equipment make sure all the safety instructions are complied with.
Position the pin through the hole in the anchor earth holdfast (AEH), place the pneumatic
hammer on the AEH pin, in the same line as the AEH pin.
Start up the equipment progressively to avoid any unexpected movement of the AEH pin.
Drive the pin in a little way slowly before going to full power.
When the required amount of pins have been driven in, move the vehicle to the other side
of the bridge and repeat on the far bank anchors.