M o d e l Z Q 1 2 7 / 2 5 Y D r i l l P i p e P o w e r T o n g
Table5. Detailed table for tong head brake mechanism
Item
Purchase No.
Part No.
Part name and Description
QTY
1
ZQ25-124
ZQ25.1.8-9
Brake blot
11
2
ZQ25-123
ZQ25.1.8-8
Brake spring
11
3
ZQ25-117
ZQ25.1.8-2
Friction disc
3
4
ZQ25-16
GB68
Slotted countersunk screw M5
×
10
63
5
ZQ25-109
ZQ25.1.6-2
shim
1
6
ZQ25-118
ZQ25.1.8-3
Brake steel plate
1
7
ZQ25-119
ZQ25.1.8-4
Knob shaft
1
8
ZQ25-14
XYQ12.Z-03
Centralizing roller
21
9
ZQ25-13
ZQ25.1-3
Centralizing roller shaft
21
10
ZQ25-116
ZQ25.1.8-1
Tong head cover
1
11
ZQ25-122
ZQ25.1.8-7
Brake disc
1
12
ZQ25-87
GB70
Hexagon socket head cap screw M6
×
10
1
13
ZQ25-120
ZQ25.1.8-5
knob
1
14
ZQ25-47
GB70
Hexagon socket head cap screw M10
×
25
4
15
ZQ25-55
XYQ3C.Z-37
Back handle
2
16
ZQ25-121
ZQ25.1.8-6
Pin shaft
1
12
