MODEL XQ140/20 HYDRAULIC POWER TONG OPERATION MANUAL
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
this wire through the pulley on the mast, one Install a pulley on the mast, which
can bear load of 4400bf or more.
4.3 Install hydraulic line
see 10.15
4.4 Leveling (Fig.4-2)
□Push hydraulic power tong to the clamping position.
□Check whether tongs head level or not. If it is not
level, keep master tong level by adjusting four
screws on the suspension bar.
□Check whether the backup tong parallel to the
master tong or not, if not, adjust them. (Specific
operation as 5.5)
The support point of the pulley must be installed 15 meters above the well
head.
Central line of the power tong head is located at 0.6m away from the
vertical line of the well head in free suspension state.
Avoid breaking the hose due to twisting in use.
Avoid breaking the hose due to twisting in use.
The suspension height of the hydraulic tong can be adjusted easily with the
hydraulic bucket.
When the backup tong directly faces the pipe string coupling or the drilling
pipe joint, the piston rod of the bucket should be located at half of the
stroke
Power tong leveling is very important, if not level, the tong head
clamping will fail to work.
Four screws should be adjusted in coordination.
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