Model KT14000 power casing tong maintenance and operation manual
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
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tong tail seat. And another end is fixed on drilling platform or the derrick. Note: when tail rope is tightened,
it should be in the same level with power tongs and perpendicular to median line of tong body.
3.2.5 Refueling Torque Cylinder
Master tong: when stretched length of piston rod of tension cylinder reaches 1 1/8″ (28 mm), it is necessary
to add oil.
Composite tong: when the piston of tension cylinder is retreated to the position which is 1/4″ (6.35 mm)
away from cylinder end, it is necessary to add oil.
When it is necessary to add oil, remove quick connector from torque cylinder and insert it into the quick
connector which is on the oil filled equipment(Purchase Code:KT14000-323).After oil filling, connect it.
with quick connector which is on the torque meter. Then release plug on torque cylinder until the pressure
on torque meter turns to zero.
Note:
Torque testing system of master tong and Torque testing assembly can be selected according to user
needs.
3.2.6 Direction control
The handle control valve controls the tong’s
rotation direction. For clockwise rotation, push the
valve handle forward, and for reverse rotation, pull
the valve handle in the opposite direction. (see Fig.
below):
