UPPERSTRUCTURE / Control Valve 1 - Socket Bolt (15 Used) 9 - Spool (Travel) 17 - Backup Ring 25 - Backup Ring 2 - Cover 10 - Spool 18 - Cap 26 - Cap 3 - O-Ring (10 Used) 11 - Spool (Auxiliary) 19 - Spool (Boom 2) 27 - Spool (Arm 2) 4 - Bolt (5 Used) 12 - Spool 20 - Spool 28 - Spool 5 - Spring Guide (10 Used) 13 - Check Valve 21 - Check Valve 29 - Spool (Swing) 6 - Sleeve (5 Used) 14 - Spring 22 - Spring 30 - Housing (5-Spool Side) 7 - Spring (5 Used) 15 - Spacer 23 - Spacer 31 - Cover (2 Used) 8 - Spool 16 - O-Ring 24 - O-Ring 32 - Cover W2-5-59