Technical Manual
hD8625 8-
5
/
8
” 35K Tong
2.1
seTup & operaTion
McCoyDrilling&Completionsrecommendsfollowinganindustry-acceptedstandardsuchasOSHA,ASMEB30.9-2006,ormanufacturer’s
guidelineswhenperforminganyriggingandoverheadlifting.Usebyuntrainedpersonsishazardous.Improperusewillresultinserious
injuryordeath.Donotexceedratedcapacity.Slingswillfailifdamaged,abused,misused,overused,orimproperlymaintained.
• Onlygrade80orgrade100alloychainshouldbeusedforoverheadliftingapplications.
• WorkingLoadLimit(WLL)isthemaximumallowableloadinpoundswhichmaybeappliedtotheload-bearingdevice,whenthedevice
isneworin“asnew”condition,andwhentheloadisuniformlyanddirectlyapplied.TheWLLmustneverbeexceeded.
• WorkingLoadLimit(WLL)isthemaximumworkingloadforaspecificminimumslingangle,measuredfromthehorizontalplane.The
WorkingLoadLimitisidentifiedonthesling.
• TheWorkingLoadLimitorDesignfactormaybeaffectedbywear,misuse,overloading,corrosion,deformation,intentionalalterations,
sharpcornercuttingactionandotheruseconditions.
• Shockloadingandextraordinaryconditionsmustbetakenintoaccountwhenselectingalloychainslings.
• SeeOSHARegulationforSlings1910.184,ANSI/ASMEB30.9-”SLINGS”,ANSI/ASMEB30.10-”HOOKS”andANSI/AMSEB30.26
“RIGGINGHARDWARE”foradditionalinformation.
DO NOT ACCESS ROTATING COMPONENTS UNLESS HYDRAULIC POWER SUPPLY HAS BEEN
DEACTIVATED OR ISOLATED.
A CLEARLY IDENTIFIED REMOTE POWER PACK EMERGENCY STOP MUST BE INSTALLED IN THE
IMMEDIATE VICINITY OF THE TONG OPERATOR.
Adequatesetupandproperhydraulicconnectionsareessentialinensuringreliableoperationofyourtong.Forbestresultsandlongtermreli-
ability,readandobeythestart-upinstructionsinthissection.
THE SUPPLIED LOAD-BEARING DEVICE (CHAIN SLING, RIGID SLING, SPREADER BAR ASSEM-
BLY, FRAME, OR ANY OTHER DEVICE THAT BEARS THE PARTIAL OR TOTAL WEIGHT OF THE
EQUIPMENT DESCRIBED IN THIS MANUAL) HAS BEEN SPECIFIED OR DESIGNED TO SUPPORT
THE EQUIPMENT DESCRIBED IN THIS DOCUMENT. FARR® WILL NOT GUARANTEE THE ABILITY
OF THE LOAD-BEARING DEVICE TO SUPPORT ANY OTHER PART, ASSEMBLY OR COMBINATION
OF PARTS AND ASSEMBLIES, OR ANY ADDITIONS TO THE EQUIPMENT DESCRIBED IN THIS
MANUAL THAT ADD WEIGHT TO THE EQUIPMENT, UNLESS SUPPLIED BY MCCOY.
MCCOY DRILLING & COMPLETIONS DOES NOT GUARANTEE THE INTEGRITY OF MODIFIED OR
DAMAGED LOAD-BEARING DEVICES, UNLESS THOSE MODIFICATIONS ARE PERFORMED BY
MCCOY.
THE MINIMUM SLING ANGLE (THE ANGLE OF THE LEG OF THE SLING MEASURED
FROM THE HORIZONTAL) MUST NEVER FALL LOWER THAN THE ANGLE SPECIFIED
FOR THE SLING IN USE
A. SLING / LOAD BEARING DEVICE SAFETY
IllustratIon 2.a.1: slIng angle
Sling Angle