504G3 SERIES TRACTOR OPERATION MANUAL
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4.3.2Usehyd raulicoutputsystem
SCV Levers control oil flow to hydraulic hose couplers at the rear of the tractor.
SCV I Lever (Fig 4-1 NO.8) operates coupler (1).
SCV II Lever (Fig 4-1 NO.9) operates coupler (2).
Connect Hose:
(1) Remove dust plugs from couplers.
(2) Make sure that hose ends and coupler receptacles are clean and dry.
(3) Coupler receive cylinder retract hose.
(4) Coupler receive cylinder extend hose.
(5) To connect each hose, push hose tip firmly into coupler receptacle. Pull lightly on
hose to make sure that positive connection are made.
(6) To make sure that hoses have been connected to correct receptacle, pull SCV I lever
and SCV II lever slightly back of center. This should raise implement. If implement
lowers instead of rising, hoses are reversed and need to be connected correctly.
Fig 4-23
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