When pull testing on-site you never know what fixing you may come across next. Choosing the right pull test adaptor ensures you test each one correctly.
Hydrajaws provides a range of testers and adaptors to test just about anything.
Testers
Most pull testing engineers will have a Hydrajaws M2000 which will cope with anything up to 25kN. The M2008 is a heavy-duty tester that will test up to 145kN. And in-between is the M2050 which will pull up to 50kN whilst still remaining light and portable.
Adaptors
Hydrajaws adaptors are available for all testers. You choose the adaptor to fit the fixing you are testing. This chart shows some of the main fixings and the adaptor to use for each:
Set them up as follows:
The M12 locking adaptor
The M12 Locking Adaptor fits into the tester and allows various adaptors to fit into the tester (e.g., the bolt adaptor).
The bolt test adaptor
For M16 nuts, the bolt tester adaptor (a) directly engages the nut (b) in the pulling jaw.
The slotted button adaptor
For testing fixings where a connection is made underneath the head of the fixing or anchor the slotted button adaptor is used. The slotted button adaptor (a) slots into the bolt tester adaptor (b) and engages the fixing (c). Please note when using the M2050 heavy-duty slotted button adaptors must be used.
The threaded button adaptor
For testing threaded fixings the threaded button adaptor is used. The threaded button adaptor (a) threads onto the fixing (c) and then slots into the bolt tester adaptor (b). Please note when using the M2050 heavy-duty threaded button adaptors must be used.
The clevis adaptor
Use the Clevis adaptor for testing ringbolts. Remove the cross-pin from the clevis adaptor and offer the tester and bridge to engage the eye of the anchor in the clevis. Push the clevis pin through the clevis and eyebolt, ensuring that the ball on the pin clicks into place, having passed through the second fork.
Threaded stud adaptors
Threaded stud adaptors are suitable for testing sleeve and stud anchors. Screw a suitable threaded rod (a) into the anchor, then fit the adaptor (b).
Threaded rod adaptors
The M5 and M6 threaded rod adaptors are equipped with an external M12 thread for use in conjunction with the M12 threaded button adaptor. The M8 and M10 threaded rod adaptors have an M16 external thread. The M16 nut connects to the pulling slot in the tester or bolt tester adaptor.
Connect the threaded rod adaptor complete with the M12 button adaptor to the thread on the fixing (fig 11).
Hydrajaws Technical Advice
If a fixing location seems too unworkable then contact Hydrajaws and their technical team who will be able to suggest an appropriate adaptor or even an alternative bridge or bespoke setup.