Part No. 57.0009.0454 GTH-4013EX - GTH-4514EX - GTH-4017EX 177Operator’s ManualSecond Edition - First PrintingDiagrams and SchemesHYDRAULIC DIAGRAM FOR GTH-4514 EX & GTH-4017 EXMNRFPBN’BMALSLRTPDiesel engineAuxiliary gear pumpbrakes stabilizers chassis levellingdisplacement: 25 cc/rev/ /Suction filter Suction screenAnticavitation valvecracking pressure5 barCheck valvecracking pressure:2.5 barCheck valvecracking pressure:0.5 bar (option)Check valvecracking pressure:8 bar (option)Check valvecracking pressure:0.5 bar (option)Oil tankcapacity120 litersSteering rotating actuatordisplacement: 315 cc rev/Front axleRear axleForks levellingslave cylinderRear axle pivotinglockout cylinderRear axle pivotinglockout valve2 ways/2 positionsLeft stabilizer cylinder Right stabilizer cylinderChassis levelling cylindersBoom telescoping cylinderBoom lift cylinderForks tilt cylinderDouble overcenter safety valvepiloting ratio: 4 1cracking pressure: 350 bar/Double overcenter safety valvepiloting ratio: 4.2 1cracking pressure: 350 bar/Double overcenter safety valvepiloting ratio: 4.2 1cracking pressure: 350 bar/Double overcenter safety valvepiloting ratio: 4.2 1cracking pressure: 350 bar/Double overcenter safety valvepiloting ratio: 7.6 1cracking pressure: 350 bar/Double overcenter safety valvepiloting ratio: 1cracking pressure: 350 bar4/Sing4/le overcenter safety valvepiloting ratio: 1cracking pressure: 350 barMax relief valvecrackingpressure140 barAnti-shockvalvescrackingpressure200 barQuick couplinghydraulic portsSteering modesselector valve4 ways / 3 positionsFront axlesteering cylinderRear axlesteering cylinderTp1Hydraulically piloteddouble check valvepiloting ratio: 4 1/P1 P1R1T1T1’T2’T2R2P2 P2TAPBShutoff valveShutoff valvecapacity:0.5 Litriprechargepressure50 barcapacity:0.5 Litriprechargepressure50 barcapacity:1.5 Litriprechargepressure35 barPressureswitchactivatingpressure70 barPressureswitchactivatingpressure10 bar-20Pressureswitchactivatingpressure10 bar-20Hydraulically poweredservice emergency brakespedal pump/Boom functions hydrauliccircuit test portT PABMechanical gear speedselector valve4 ways/3 positionsEmergency electricalmotor driven pump set3.2 cc/rev (option)Mechanical gear speedselector actuatorBoom functions pumpwith integrated priority valvedisplacement: 43 cc rev/Mechanical gear (2 speeds)E200 bar280 bar1 02E1 021 02E290 bar290 bar1 02T1AAAABBBBPPTT LSPpTpTpFLTPpRPMG1Ev13MPRA1B1B3A3B2A2TP 220 bar111 000222140 barRTN150 bar30 barParking brake handleselector valveForks attachmentquick coupling cylinderStabilizers/chassis levellingmain valveBoom functionsmain valveHeat exchanger fanhydraulic motordisplacement 20 cc rev/Heat exchangerHYDRAULIC CIRCUITCOLORS LEGENDABoom teering, brakes, stabilizersand chassis levelling functions lines/ sLow pressure and transmissioncharge pressure linesHydrostatic transmissionhigh pressure linesHydrostatic transmission andboom functions valve piloting linesBoom teering, brakes, stabilizers,chassis levelling pump pressure lines/ sBoom teering, auxiliary andtransmission pumps suction lines/ sTank linesMEv3 Ev4Ev5 Ev6Ev14 Ev15Ev7Ev8Ev9Ev10Ev11Ev12Pv1Pv2Pv3Pv4Hydrostatic transmission motormax displacement: 80 cc rev/XA XBA M3 M4 M1L1L2M2X5BF00B F00AMAM3L1L3L4L2SM4M14M5MBHydrostatic transmission pumpmax displacement: 78 cc rev/Hydrostatic transmission pumpdisplacement: cc revcharge17 /X7 X824 bar450 bar450 bar480 bar480 barTp3 Hydrostatic transmissioncharge pressuretest portForward ReverseCheck valvecracking pressure:8 barX3Hydrostatic transmissionhigh pressure test portTp2Courtesy of Crane.Market