KT5500 5-
1
/
2
” Tong & CLInCHER® BaCKup
SECTIon ConTEnTS
6.7
TECHnICaL ManuaL
ToRquE MEaSuREMEnT
C. PERIODIC INSPECTION AND MAINTENANCE
1. Inspection
Thetorquemeasurementsystemsuppliedwithyourequipmentisdesignedandbuilttoprovideyearsoftrouble-freeservice
withminimummaintenance.Periodicinspectionsoftheloadcell,hydrauliclinesandfittingsarerecommendedinordertokeep
thesystemintopoperatingcondition.Athoroughinspectionshouldbemadeateachrig-up.
2. Fluid Recharge
RechargehydraulicsystemwithW15/16fluidthroughthecheckvalveonthetorqueindicatinggauge.Rechargingmustonlybe
performedwhenthereisnoloadontheloadcell.Refertotheillustrationsonpages6.3&6.4forguidanceifrequired.
a. Placethetorqueindicatinggaugehigherthantheloadcell.Removethebrass1/4”capfromthefittingonthecheckvalve
onthetopofthegauge.
b. Connectthehandpumptothecheckvalvefitting.
c. Elevatetheloadcellsoitishigherthanthetorquegaugeandhandpump.
MAINTAIN GREATER-THAN HALF FULL FLUID LEVEL IN THE HAND PUMP BOWL TO AVOID
PUMPING AIR INTO THE SYSTEM. DO NOT ALLOW THE LEVEL TO FALL BELOW ONE-HALF FULL
UN-CONTAINED SPILLAGE OF THE HYDRAULIC FLUID IN THIS SYSTEM MAY CONTRAVENE
GOVERNMENTAL ENVIRONMENTAL REGULATIONS, OR THE ENVIRONMENTAL REGULATIONS
AND POLICIES OF YOUR COMPANY. MCCOY DRILLING & COMPLETIONS HIGHLY RECOMMENDS
PLACING YOUR LOAD CELL IN A CONTAINMENT BASIN BEFORE PROCEEDING WITH THE
BLEEDING & REFILLING PROCESS.
d. FillhandpumpbowlwithW15/16hydraulicfluid.
e. RemovetheventplugscrewandStat-O-Seal(ItemsCandDonIllustration6.A.4,oritemHonIllustration6.A.5)toallow
trappedairtoescape.
f. Pumpfluidintothesystemuntilnomoreairisseenescapingfromtheventport.
g. ReplacetheventplugscrewandStat-O-Sealandtightensecurely.
h. Removeloadcellfromcontainment vessel andwipeclean.Reclaimthehydraulicfluid(ifitisclean)ordisposeofall
wastematerialsaccordingtogovernmentaloryourcompany’sproscribedenvironmentalprotectionregulations.
i. Disconnectthehandpumpfromthetorquegauge.
j. Replacethebrasscaponthetorquegaugecheckvalvefitting.
3. Repair And Calibration
Loadcellandindicatorgaugeshouldbereturnedtoauthorizedrepairfacilityforanyrepairsorcalibrationrequired.