2, pull disc
3, base clawed
4, on the roof
5, raw claw (soft claw)
6, T block
7, the piston plate
8, the dust cover
9, the sleeve
10, the wear ring group
11, the bottom
12, gasket
13, nozzle
14, the plastic cover
15, the back supporting ring
16, O type ring
17, O type ring
18, O type ring
19, O type ring
20, O type ring
21, O type ring
22, O type ring
23, O type ring
24, raw claw screws
26, countersunk head screws
27, the dust cover screw
