(13) (13) Removal of cylinder assembly Removal of cylinder assembly Holding end of cylinder assembly (3) with hand, draw out cylinder assembly from housing. Oil seal (2) and outer race of taper roller bearing (15) are left inside of housing. End surface of cylinder (3) is sliding face. So, protect the surface with a scrap of cloth against damage. Make a matching mark on piston hole of cylinder (3) and piston assembly (10) to fit piston into the same hole when reassem- bling. (14) Separate outer race of taper roller bearing (5) from housing. (15) (15) Removal of oil seal Removal of oil seal Remove oil seal (2) from housing (1) with driver and hammer. Do not reuse oil seal after removal. 7-12