26
www.degometal.com
3.1. TROUBLESHOOTING
Nut tool GO 120
Pin and Collar tool GO 640
Failure Mode
Possible Cause(s)
Solution(s)
1. Rivet nut can’t
go in or out
1.Wrong mandrel chosen
2.impurity in the threads of mandrel
3.Wrong rivet nut
1.Change mandrel
2.Use copper brush to
clean
3.Change rivet nut
2. Mandrel grip nut
not tight
Mandrel abrasion
Change mandrel
3. Insufficient
deformation of nut
Wrong position of nut mounting
Adjust according to manual
Failure Mod
Possible Cause(s)
Solution(s)
1. Bolt can not be
inserted
1.Jaws not open
2.Incorrected nosepiece
3.Blurs on the jaws shel
1.adjust connect part
2.change nosepiece
3. scrap the blurs by grater,
change jaws shell
2. Bolt not break
Jaws worn up
Change jaws
3. Not clamp bolt
Jaws worn up or rubbish on jaws
Change jaws or clean the
jaws
