Farr KT5500 - Tong Running Too Slowly

KT5500 5-
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” Tong & CLInCHER® BaCKup
SECTIon ConTEnTS
4.4
TECHnICaL ManuaL
TRouBLESHooTIng
C. TONG RUNNING TOO SLOWLY
1. POSSIBLEPROBLEM:Obstructionintonghydrauliccircuitpreventingadequateflow.
 SOLUTION:Inspectself-sealingcouplingstoensuretheyareproperlyengaged.
 SOLUTION:Themainhydrauliclines(supplyanddischarge)tothetongareobstructed.Removeandcleanifrequired.
2. POSSIBLEPROBLEM:Powerunitisnotproducingadequatefloworpressure.
 SOLUTION:Troubleshootpowerunit(seeuser’smanualforyourparticularunit).
3. POSSIBLEPROBLEM:Tongmotorisexcessivelywornandisleakinghydraulicfluidpastthevanes.
 SOLUTION:Replacemotor,orrebuildasperSection7ofthismanual.
4. POSSIBLEPROBLEM:Bearingsingeartrainandrotarysectionareexcessivelyworn.
 SOLUTION:Overhaultong.SeeSection3ofthismanualfortongoverhaulprocedures.
5. POSSIBLEPROBLEM:Shifterhasmalfunctionedandthetongisnotshiftingtohighgear.
 SOLUTION:Inspectandrepairshiftmechanismasnecessary.
6. POSSIBLEPROBLEM:Two-speedhydraulicmotor(ifequipped)isnotsettocorrectspeed.
 SOLUTION:Checkmotor,andsettothecorrectspeedifrequired.
7. POSSIBLEPROBLEM:Safetydoorsystemisnotproperlyadjusted-hydraulicfluidleakpastDeltrolvalve.
 SOLUTION:Checkandadjustsafetydoorsystem.
8. POSSIBLEPROBLEM:Hydraulicfluidviscositytoohigh.
 SOLUTION:EnsurehydraulicfluidmeetsMcCoyDrilling&Completionsspecifications.
 SOLUTION:Ensurehydraulicfluidisappropriateforclimaticconditions,especiallyduringcold-weatheroperation..
9. POSSIBLEPROBLEM:By-passvalvenotfunctioning.
 SOLUTION:Checkandrepair.