Farr HD8625 - Page 40

2.24
hD8625 8-
5
/
8
” 35K Tong
Technical Manual
Breaking A Connection (Continued):
j) Gentlypullthemotorcontrolvalvetowardtheoperatortocamthetongjawsontothepipe.
IllustratIon 2.H.9: rotatIon Control - Break-out
k) Breaktheconnectionbypullingtherotationcontrolhandleallthewayoutoncethetongjawscamontothetubing.
l) Un-threadtheconnectionathighspeedbysettingthetongmotortohighspeedandshiftingtohighgear(seeSection2.G.2to
setmotorspeedand2.G.3toshifttohighgear)oncetheconnectionisbroken.
m) Pulltherotationcontrolhandleallthewayouttocompletelyun-threadtheconnection.Reversetherotationcontrolhandle(push
towardtong)toreleasethetongjawsfromthetubing.
IllustratIon 2.H.10: usIng motor Control to release tong jaws followIng Break-out & un-tHreaDIng
seTup & operaTion