Tow Harvester Hydraulics - PowerPoint PPT Presentation

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Tow Harvester Hydraulics

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Tow Harvester Hydraulics – PowerPoint PPT presentation

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Tags: com | harvester | hydraulics | nwa | rci | tow

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Title: Tow Harvester Hydraulics


1
Harvester Training 2004
Tow Harvester - Hydraulics
2
4 Bank speed on/off relief manifold
Gear flow divider
Over centre valves
Pilot checks
Main pump
PVG Valve
Head spread valve (single for NG head)
3
Hydraulic Circuit
4
Suction Pump(Gear)
Suction swivel
5
Suction Pump(Vane)
Be aware that the pump may require plus 300 RPM
to push Vanes out when first starting
6
Double Suction
Required in special situations will become
standard 2006
7
Flow Divider
Flow divider
Test points
Oil cooler motor Max flow 22 lt
8
Bucket speed control
9
Hydraulic Console
Flow control Conveyors control function
Multi Bank Manifold
Belt Bucket Conveyors Split control
PVG control valve
10
Bucket Flow Control Valve
NOTE Speed adjustment is archived by passing belt
conveyor oil around the bucket motor
Compensator piston
11
Priority Flow Control ValveSplit between
conveyers and control function
Oil flow is set to deliver primary oil to the
machine functions. Total supply is controlled by
flow rate to oil cooler motor. Incorrect
adjustment can result in decreased performance or
damage to components
Flow Adjustment
Control spool
12
Head Spread Valve
Relief valve
13
Danfoss PVG Valve
Manual Controls
Tow hitch Up/down in/ out
Leg lift R/H L/H
Discharge In/Out Up/down
Flow control adjustments
14
Multi Bank Control Manifold
15
On/off valves
Tank Return
Relief Valves
Electric Din Plugs
16
Inlets
Electric Solenoids On/off valves
17
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18
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19
Outlets
Flow control compensators
20
Speed Control Handles
Orfice cover plugs
21
End of presentation!Thank you for your
participation.
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