CONTENTS Components (continued) Control valve 1.30 Outlet section (PVP) 1.31 Function 1.31 Extension section 1.32 Function 1.32 Crowd section 1.33 Function 1.33 Lift section 1.34 Function 1.34 1st service/2nd service section 1.35 Function 1.35 Inlet section (PVSP) section 1.36 Function 1.36 Accumulator 1.38 Tap 1.38 Trailer brake valve 1.38 Trailer brake coupling 1.38 Extension cylinder 1.39 Load control valve 1.39 Crowd cylinder 1.40 Load control valve 1.40 Compensator cylinder 1.41 Lift cylinder 1.41 Load control valve 1.42 Diverter valve 1.43 Manifold 1.43 Autohitch cylinder 1.44 1st service couplings 1.44 2nd service couplings 1.44 Trailer tipping connection 1.44 Start-up valve 1.44 Non-return valve (up to Machine S/No.51200317 only) 1.45 Pressure relief valve (up to Machine S/No.51200471 only) 1.45 Breather 1.45 Parking brake valve (from Machine S/No.51200552 only) 1.46 Fan reverse valve (from Machine S/No.51200472 only) 1.47 Oil cooler (from Machine S/No.51200472 only) 1.48 Operation 1.49 General 1.49 Relief valves 1.49 System pressure checks 1.50 LS pump 1.52 LS pump compensator operation 1.52 Standby position (engine switched off) 1.53 Standby position (engine started) 1.54 Pump goes into delivery 1.56 Constant volumetric flow 1.58 Downstroking of the pump 1.59 Maximum pressure limiting (pressure relief valve function) 1.45 Adjusting the pump 1.63