KT5500 5-
1
/
2
” T
ong
& CLInCHER® B
aCKup
S
ECTIon
C
onTEnTS
4.2
T
ECHnICaL
M
anuaL
T
RouBLESHooTIng
TONG WILL NOT DEVELOP SUFFICIENT TORQUE Cont’d:
10. POSSIBLE PROBLEM: Load cell is measuring incorrectly.
SOLUTION: Incorrect load cell is being used.
SOLUTION: Air is trapped in torque measuring circuit (load cell, hydraulic line, or gauge. Refer to torque measurement trouble-
shooting in Section 6 of this manual.
SOLUTION: Load cell has been damaged. Replace load cell, or return to McCoy for repair and re-calibration.
11. POSSIBLE PROBLEM: Incorrect motor speed selected.
SOLUTION: Maximum torque can only be developed when motor is in the lowest speed. Ensure motor is in low speed.
12. POSSIBLE PROBLEM: Incorrect tong gear selected.
SOLUTION: Maximum torque can only be developed when tong is in low gear. Ensure tong is in low gear.
MCCOY DRILLING & COMPLETIONS GUARANTEES CALIBRATION OF A LOAD CELL/TORQUE
GAUGE ASSEMBLY FOR A PERIOD OF ONE YEAR. MCCOY DRILLING & COMPLETIONS SUGGESTS
THAT THE LOAD CELL/TORQUE GAUGE ASSEMBLY BE RETURNED TO THE FACTORY FOR
RE-CALIBRATION ON A YEARLY BASIS.
Summary of Contents for 80-0420-16
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