Model KT14000 power casing tong maintenance and operation manual
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
44
7.25 Backup tong assembly and detailed part table (Fig.25,Table 25)
Fig.25
Table 25
Backup tong assembly and detailed part table
Item
P/N
Drawing No.
Description
Qty
1
KT14000-55
KHT14.2.8
Backup Tong Safety door assembly
1
2
KT14000-56
KHT14.2.1
Backup Tong head
1
3
KT14000-57
KHT14.2.3
Clamp hydraulic cylinder
1
4
KT14000-58
KHT14.2.7
Spring sleeve assembly
1
5
KT14000-600
Hexagon socket head cap screw5/8″×2 1/4 ″
21
6
KT14000-142
Spring washer 5/8″
21
7
KT14000-601
Hose 10
Ⅱ
-400(3/4-16UNF flared type)
2
8
KT14000-60
KHT14.2.2
Backup tong main body
1
9
KT14000-61
KHT14.2.4
Locating seat
1
10
KT14000-603
Hexagon socket head cap screw 5/16″×1 1/4″
2
11
KT14000-62
KHT14.2.5
Torque cylinder connecting seat
1
12
KT14000-63
KHT14.2.6
Combination torque test assembly
1
13
KT14000-604
GB/T825
Lifting bolt M12
1