1.STATIC "O" RING 2.STATIC BASE "O" RING 3.STATIC RING BASE 4.MOVABLE RING COMPONENTS 5.SCREW BOLT 6.TRANSMIT SCREW 7.SPRING BASE 8.POSITION BODY 9.CLAMP RING COMPONENTS 10.TIGHTING-FITTING SCREW 11.AXILA SLEEVE 12.OIL SEAL 13.TANK COVER 14.TANK COVER "O" RING 15.SMALL SPRING 16.SEALED TANK BODY 17.MOVABLE "O" RING 18.SHAFT JACKET "O" RING 19.TANK COVER "O" RING 20.PRESSING RING 21.STATIC RING