MODEL XQ140/20 HYDRAULIC POWER TONG OPERATION MANUAL
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
5.1.2Die seat, die choose and dismounting
5.1.2.1 Specification and parts number of die seats (10 kinds in total, one kind is
especially for backup tong) and dies(three kinds in all, suitable for both master tong and
backup tong).
This power tong clamp pipe string of different outside diameters by changing die
seats and dies of different specifications. The die `seats and dies are equally useful for
master and backup tongs when clamping pipe strings of the same outside diameter. When
selecting die seat and dies, refer to the stamp marks and part numbers on their back.
□Die seats specification and part number are shown in table 5-2.
Dies specification and part numbers are shown in table 5-3.
5.1.2.2 Recommendation table of die
seats and dies (see Table 5-4)
5.1.2.3 Die seats assembly and
mounting/dismounting. Die seats
assembly consists of die seats and screw
stopper (see Fig.5-3)
Dismounting die seat assembly: pull one die seat assembly to the center of tong head,
lift it upward out of tong head directly, take out the other one in the same way. Mounting
operation is the other way round (see Fig.5-4).
5.1.2.4 Dies mounting/dismounting
Take out die seat and loose the screw pin on one end, then take out dies. Mounting
operation is the other way round, tighten the screw pin after mounting(see Fig.5-3)
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