Hydraulic Pressure Diagnostic Ports and Control Scheme

With engine running apply screw driver to indicated coil to check energized condition (magnetized). See your John Deere dealer if indicated coil is not energized.

H87703


A-Relief Pressure At High Idle 21700 ± 1200 kPa (3150 ± 180 psi)

Function Coils
Magnetized		 Pins
Energized
Threshing Speed Decrease A 13
Threshing Speed Increase A & D 13 & 15
Reel Lower (Header Speed Decrease) E 26
Reel Lift (Header Speed Increase) F & D 14 & 15
Unloading Auger Extend S & D 4 & 15
Unloading Auger Retract R & D 5 & 15
Reel Fore/Aft Extend (Deck Plate Open) U & D 30 & 15
Reel Fore/Aft Retract (Deck Plate Close) T & D 8 & 15
Contour-Master Extend (Tilt Right) W & D 18 & 15
Contour-Master Extend (Tilt Left) V & D 2 & 15

 

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