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Bourgault XR770 Quick Start Manual

Pre delivery inspection checklist

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XR750/770
Date:
Dealership:
Serial #:
Model - Size:
Sept

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Summary of Contents for Bourgault XR770

  • Page 1 XR750/770 Date: Dealership: Serial #: Model - Size: Sept...
  • Page 2 Cart Check off Safety chain (20200lb min) is attached Hitch tongue is installed in correct location (holes 3+4 from bottom) Tire pressure on cart tires is 24 ± 3 P.S.I. Wheel nuts torqued to 160 ± 15 ft.lbs 3/4" ubolt fasteners attaching Hitch Tube Assy to Axle Assy are torqued to 200 ±...
  • Page 3 Booms Check off Towers in proper locations Tower bolts are tightened to 200 +/- 25 ft.lbs Boom wheel bolts are torqued to 160 ± 15 ft.lbs Boom wheel tires are inflated to 30 ± 3 P.S.I. All grease zerks are in place and greased Hitch jack #2090-33 is installed on both wings in correct location Double plates on boom cable bracket positioned to the bottom of the boom on all units.
  • Page 4: Cylinder Locations

    Parallel arm cylinders plumbed so that the hoses do not twist or kink throughout the arm range of motion. Safety lights installed and wired neatly Ensure Bourgault part number decals are on all cylinders Hyd hoses meet min bend specs - refer to attached sheet Cylinder Locations...
  • Page 5: Final Inspection

    Harrows Check off Tine angle indicator has been properly adjusted so the pointer remains over the decal throughout the full range of motion. Linkage bolts are not fully tightened so the linkages do not bind. Tine holder 8621-59 is installed on the front inside corner of the both RHS and LHS outermost sections to prevent the tine from interfering with the boom wheel pivot in transport position.
  • Page 7 XR Series eXtended Range Harrow Transport Transport Sequence Valve This harrow bar is equipped with rotatable wing boom wheels that are used for both field and transport orientations. The rotation also provides the operator with a method to steer the wings outward during unfolding for easier, quicker, and more compact unfolding.
  • Page 8 XR Series eXtended Range Harrow Transport 5.2.1 Adjusting the sequence valves In the scenario that the transport circuit is not sequenced properly, the valves can be adjusted to correct the problem. The transport hydraulic manifold is located on the harrow cart and contains 2 sequence valves, one for folding and one for unfolding.
  • Page 9: Troubleshooting

    XR Series eXtended Range Harrow Trouble Shooting 7 Troubleshooting Symptom Probable Cause Solution Temporarily reduce ADF pressure or Cannot adjust tine angle to a more Too much draft force on the tines stop harrowing. Adjust as required. aggressive position Return to previous settings.
  • Page 10 Hydraulics XR Series eXtended Range Harrow Schematics 9.1.1 Transport Circuit...
  • Page 11 Hydraulics XR Series eXtended Range Harrow Transport Sequence Manifold The transport sequence manifold combines the functions of the transport lift cylinders and the wing boom wheel cylinders and forces the two functions to occur in the correct order during fold or unfold.