Claas QUANTUM 3500 Service Parts page 67

TIC
1.0 LS pump .................................................................................................................................................4
1.1 Initial position (Motor Off).....................................................................................................................4
1.2 Low pressure standby..........................................................................................................................6
1.3 A control device is actuated = start of LS pump delivery.....................................................................8
1.4 Constant volume flow.........................................................................................................................10
1.5 Downstroking .....................................................................................................................................12
1.6 Maximum pressure limitation (pressure relief valve function)............................................................14
1.7 Connecting the self-loading forage wagon (hydraulic supply) ...........................................................16
1.7.1 Hydraulic supply via the power beyond port...............................................................................16
1.7.2 Hydraulic supply via the power beyond port...............................................................................17
2.0 QUANTUM 3500K / 3800K / 3500P / 3500S ........................................................................................18
2.0.1 Prior to operation ........................................................................................................................18
2.0.1 Fixed displacement pump...........................................................................................................18
2.0.3 Constant-pressure pump ............................................................................................................19
2.0.4 Power beyond port......................................................................................................................19
2.1 3500K, 2500K, 3800K........................................................................................................................20
2.1.1 Circuit Diagram ...........................................................................................................................20
2.1.2 One-way restrictor valve .............................................................................................................22
2.2 3500P, 2500P, 3800P........................................................................................................................24
2.2.1 Circuit Diagram ...........................................................................................................................24
2.2.2 One-way restrictor valve .............................................................................................................26
2.3 3500S.................................................................................................................................................28
2.3.1 Circuit Diagram ...........................................................................................................................28
2.3.2 One-way restrictor valve .............................................................................................................30
2.3.3 Flow control valve with shut-off tap (only on 3500S) ..................................................................32
2.3.4 Shut-off tap .................................................................................................................................34
3.0 QUANTUM 4500S / 5500S / S-16 / S-18 / 6800S.................................................................................36
3.0.1 Prior to operation ........................................................................................................................36
3.0.2 Fixed displacement pump...........................................................................................................36
3.0.3 Constant-pressure pump ............................................................................................................37
3.0.4 Power beyond port......................................................................................................................37
3.1 Survey ................................................................................................................................................38
3.1.1 Without 2-speed floor conveyor motor........................................................................................38
3.1.2 With 2-speed floor conveyor motor.............................................................................................40
3.2 Circuit Diagram ..................................................................................................................................42
3.2.1 Without cross conveyor belt (without 2-speed floor conveyor motor).........................................42
3.2.1 Without cross conveyor belt (with 2-speed floor conveyor motor)..............................................46
3.2.3 Without cross conveyor belt (without 2-speed floor conveyor motor).........................................48
3.3 Control block ......................................................................................................................................50
3.4 4/3 way solenoid valve (knife frame, raise/lower articulated drawbar) ..............................................54
3.5 3/3 way solenoid valve (open/close tailgate) .....................................................................................56
3.6 Valve block (pick-up and shredder drum) ..........................................................................................58
10/04
QUANTUM Hydraulics
11-1