Farr HD8625 - E. FAILURE OF JAWS TO GRIP PIPE

4.6
hD8625 8-
5
/
8
” 35K Tong
Technical Manual
TroubleshooTing
E. FAILURE OF JAWS TO GRIP PIPE
POSSIBLE PROBLEM SOLUTION(S)
1
Dieshavebecometoodulltoprovideadequategrip Replacedies
2 Incorrectjawsarebeingused
Double-check jaw size to ensure they are rated for the diameter of pipe or
casingbeingrun
3 Incorrectdiesarebeingused
Ensurediesloadedinthejawsareappropriateforthetypeofpipeorcasing
beingrun
4
Brakeband(s)is(are)insufficientlyadjusted,notallow-
ingjawstocamproperly
Adjustbrakebandstogiveproperresistancetocageplates
5 Jawrollerbrokenorworn
Removejawassemblyandinspect.Replacerollersthatarevisibly“flat-spot-
ted”orotherwisedamaged