MODEL XQ140/20 HYDRAULIC POWER TONG OPERATION MANUAL
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
4.5 Tie Back Guy (See Fig.4-3)
□ Back guy should be tied well after leveling the tong. One end of the back guy should
be tied to the pin axle at the tail of the tong; the other end should be tied to the mast.
□ The height of the end of back guy tied to the mast should be same as that of the tong.
The back guy should be vertical with the central line of tong body and also be pulled
tightly.
□Pay attention to the direction of the guy, the back guy should be tied to the right hand
side of the tong in the making-up operation, but it should be on the left in the
breaking-out operation when observed from the front of the tong head. Don
’
t tie it in
the wrong direction(All above-mentioned are suitable for Right Hand thread, as for
Left Hand thread, on the contrary.)
Back guy, which is usually soft wire rope, must be able to bear load
of over 6600bf.
Fig 4-3 Illustration of Back Guy
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