John Deere Planter Tube-Conveyor 1790

WARNING: RELIEVE THE HYDRAULIC SYSTEM OF ALL PRESSURE BEFORE ADJUSTING OR SERVICING. SEE THE HYDRAULIC POWER UNIT OPERATOR'S MANUAL FOR PROPER PROCEDURES. HIGH-PRESSURE FLUIDS CAN PENETRATE THE SKIN AND CAUSE SERIOUS INJURY OR DEATH. USE CARDBOARD OR WOOD TO DETECT LEAKS IN THE HYDRAULIC SYSTEM. SEEK MEDICAL TREATMENT IMMEDIATELY IF INJURED BY HIGH-PRESSURE FLUIDS.

Refer to parts section for hydraulic component detail listing.

Replacement hoses, fittings, and cylinders from your Unverferth Manufacturing dealer which are rated for 3000 psi used?

Hoses, fittings and cylinders that have pipe threads not used?

Teflon tape or thread sealant on JIC or O-ring fittings not used?

Fittings tightened per 'Torque Chart'?

Sufficient slack allowed for hoses to move through the full range of motion of the cylinders when replacing hoses?

Hydraulic system purged after servicing?

Sign off on the Hoses/Fittings/Cylinders Replacement

WARNING: AVOID PERSONAL ATTIRE SUCH AS LOOSE FITTING CLOTHING, SHOESTRINGS, DRAWSTRINGS, PANTS CUFFS, LONG HAIR, ETC., THAT MAY BECOME ENTANGLED IN MOVING PARTS. MOVING OR ROTATING COMPONENTS CAN CAUSE SERIOUS INJURY OR DEATH. USE EXTREME CARE WHEN INSPECTING AND ADJUSTING BELT TRACKING.

Lower intake panel/guard from conveyor removed

Measure the slack at the center of the conveyor belt

Discharge end of the conveyor loosened

Two adjusting bolts used to adjust the belt to the proper tension

Both sides moved the same distance

Belt slipping on drive pulley checked

Belt tracking checked before re-tightening the four bolts on each side of the conveyor

Remove the access panel from the underside near the center of the conveyor housing.

Run the conveyor belt until the splice is positioned in the access opening.

Reduce tension from the belt by turning the tensioning bolts on the end of the conveyor.

Attach the belt stretcher to the belt to remove tension on the belt splice. Remove connecting wire from the splice.

Attach the new belt to the original belt splice using a length of small diameter wire.

Pull the original belt out of the conveyor. When finished, the new belt should be routed through the conveyor, remove the temporary splice wire and discard.

Reinstall the belt stretcher to the new belt to draw the splice together. Insert the vinyl coated cable through the splice, attach the small bent washers on each end of the cable by crimping tight with a pliers. Remove the belt stretcher from the new belt.

Increase tension on the new belt by adjusting the tensioning bolts on the end of the conveyor housing, making sure the belt tracking is centered.

Install access panel door removed in step 1.

Clean out conveyor/hopper. Use pressurized water to wash out conveyor and hopper after use.

Conveyor belt must always run at the center of the pulley on both the intake and discharge end. Improper tracking of the belt will result in excessive wear to the edge of the belt, and will greatly reduce belt life. Check belt tracking every 8 hours of use, and every time belt tension is adjusted.

Inspect tracking of belt at discharge end by removing lower spout, pivoting deflector up, and looking up at the belt and pulley. Belt should be in center of pulley.

Adjust by loosening, DO NOT REMOVE, the four bolts on the side of the conveyor. Operate conveyor at slow speed, and tighten or loosen the adjustment bolt until belt is running in the center of the pulley Tighten all bolts on side of conveyor, and lock adjustment bolts into place. Inspect tracking of belt at intake end by opening bottom inspection door on conveyor. Belt should be in the center of the pulley. Adjust by loosening (Do Not Remove) the four solts (two on each side) on the adjusting plate.

Operate conveyor at slow speed, and tighten or loosen adjustment bolt until belt is running in the center of the pulley.

Tighten the two bolts on the adjustment plate, and lock the adjustment bolt into place.;