TEDA KT14000, Руководство по эксплуатации и обслуживанию

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Model KT14000 power casing tong maintenance and operation manual
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
5
3.3.3 Working Process
(1)Align the opening of large gear of tong head with the opening of jaw plate bracket.
(2)Insert reversing pin into making-up and breaking-out hole according to the operation requirements and
adjust the tight degree of braking staple.
(3)Align the opening of large gear of tong head with the shell opening.
(4)Pull out safety door, push power tongs toward the string to allow the string to be on the central position
of tong head and close safety door.
(5)Making-up operation regulation:
a.Open the safety door, push the tong’s opening to the casing pipe;
b.Close the safety door completely;
c.Put the reversing shaft into the reversing hole(shown in the Fig. below);
Shift transmission into high gear. Push the hand control vale rod to the casing tube thread. When the
thread has one or two circles left, release the valve rod.
d.Shift transmission into low gear. Push the hand control vale rod make the casing tube thread frap.
Observe the torque indicator, make sure the torque meet the requirement.
e.Reverse hand control vale rod to disengage jaws until the table gear aligns with the door opening.
f.Unlatch the door and remove the tong from pipe.
(6)Breaking-out operation regulation:
a.Open the safety door, push
the tong’s opening to the casing pipe;
b.Close the safety door completely;
c.Put the reversing shaft into the
reversing hole(shown in the Fig. below);
Make-up position
Reversing shaft
Break-out position
Reversing shaft