11. EXPLANATION OF COMPONENTS 8. RIPPER CONTROL LEVER (FOR VARIABLE RIPPER) This is used to operate the ripper. a RAISE ( r ) b HOLD ( f ): Ripper is stopped and held in the same position. c LOWER( v ) A Digging angle reduced ( 5 ) : Cutting angle ( α ) becomes smaller. B Digging angle increased ( t ) : Cutting angle ( α ) becomes larger. 9. PIN PULLER CONTROL SWITCH (FOR GIANT RIPPER) This is used to operate the pin puller. a PULL OUT: Pin is pulled out. b PUSH IN: Pin is pushed in. 2-19