TEDA XQ140 - Page 45

MODEL XQ140/20 HYDRAULIC POWER TONG OPERATION MANUAL
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
10.11Backup tong head assembly and parts list(Fig.10.11,Table10.11)
Table 10.11 Backup tong head assembly parts list
NO.
P/N
Parts number
Description
Qty.
1
XQ20-205
GB/T119
Cylindrical pin 5×18
1
2
XQ20-206
XYQ3C.B-2
Backup tong reset knob
1
3
XQ20-207
XYQ3C.B-10
Spring
2
4
XQ20-208
GB/T308
Steel ball
Φ
5
2
5
XQ20-209
GB/T70
Hexagon socket head cap screw
M10
×
20
16
6
XQ20-210
XQ20.2-1
Backup tong upper cover
1
7
XQ20-211
XYQ3C.Z-37
Rear handle
2
8
XQ20-212
XQ20.2-12
Backup tong reset knob shaft
1
9
XQ20-213
XQ20.2-13
Stop pin
1
Fig.10.11