COMPONENT OPERATION / Signal Control Valve T1J1-03-06-001 Swing Parking Brake Release Spool Flow Combiner Valve Control Spool 17 10 11 12 13 14 15 16 T3-6-7 Left Travel Right Travel 1 2 3 4 5 6 7 Signal Control Valv Shockless Valve (For Boom Raise) 8 Arm Flow Rate Control Valve Control Spool 9 Signal Control Valv e