Model KT14000 power casing tong maintenance and operation manual
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
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This is accomplished by leaving slack in the “jaw-pipe” engagement, and then quickly pulling the throttle
valve control lever allowing the tong to snap into its loaded or high torque conditions. This method,
although very affective in breaking out joints, highly stresses the gear train and very frequently causes gear
breakage. This method is also dangerous to operating personnel.
4.
Maintenance
It is suggested that a regular maintenance program be established, to assure dependable operation of the
TEDA Hydraulic power tong. The following recommendations concerning cleaning, lubrication, and
adjustments will enhance the life expectancy of the tong and assure safety to operating personnel.
4.1
Cleaning
The centralizing roller(2) of the upper panel and open gear should be thoroughly cleaned with a good
petroleum base cleaning agent, after each job, prior to storage. One month later after usage of the new tong,
replace the hydraulic oil to clear the sediment on motor and valve, later, make the change every six months.
4.2
Lubrication
A good grade of multipurpose bearing lubricant which is compatible with expected ambient temperatures is
recommended along with the following lubrication procedures, at the completion of each job prior to
storage
4.2.1 Power input shaft assembly bearings
Unscrew the plug screws on the bearing cover, grease should be applied to these bearings through the
grease fittings in the bearing cap located at the bottom face of the tong.
4.2.2 Bearings of big idler gear assembly and triple gear assembly
Grease should be applied to these bearings through the grease fittings in the end of the shaft located at
the top face of the tong. (see illustration below):
