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4.3
Hydraulics Schematics
Hydraulic schematics are provided for the older Double Windrow Attachment (DWA) drive block, which has a 2500 psi
relief valve and uses the old DWA lift block (MD #110575) with one double check valve; and for the newer DWA drive
block, which has a 2900 psi relief valve and uses the new DWA lift block (MD #139974) with two double check valves.
For more information on the DWA hydraulic system, contact your MacDon Dealer.
Figure 4.23: Older DWA Drive Block and Lift Block (MD #110575) Schematic
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A - To Header Lift Block
B - DWA Lift Block
C - DWA Lift Cylinder
D - DWA Drive Motor
E - DWA Draper Drive
F - From Supercharge Pump
G - To Cooler Bypass Relief Valve
H - To Header Drive Block Port T
Содержание DWA
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