MODEL XQ140/20 HYDRAULIC POWER TONG OPERATION MANUAL
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
3.3.2 Hydraulic Oil
The hydraulic oil used for power tong must be effectively filtrated to prevent
sand, iron scraps entering to guarantee the efficient oil usage. Oil filtration accuracy
mustn
’
t be lower than 0.025mm (10mil).
Recommended hydraulic oil is as follows:
(1) YC-N46 low temperature solidification hydraulic oil, the appropriate
environmental temperature is–20 ℃----+40 ℃;
(2) YB-N46 abrasion resistant hydraulic oil, the appropriate environmental
temperature is -10 ℃---- +40 ℃
;
(3) YA-N46 hydraulic oil, the appropriate environmental temperature is 0 ℃
----+40 ℃ .
4. Installing, testing and relative requirement
Installing procedures are as follows when
hydraulic power tong is used on well site.
4.1 Check before Installation
□Check power tong damaged or not during
transportation. If damaged, it should be
repaired.
□Check the fastening parts loose or not, tighten
any loose parts.
□Check jaw plate, die seatsand dies complete
or not. (Fig.5.1)
4.2 Lifting
Lifting operation at the drilling rig or work-over rig
is shown as Fig.12
□Install a pulley on the mast, which can bear load of 4400bf or more.
□Install a pulley on the mast, which can bear load of 4400bf or more.
□Install a pulley on the mast, which can bear load of 4400bf or more or bigger, put
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