Replacing VARI-COOL™ Fan Belt—9360R - 9.0 L Engine

  1. RXA0110984
    RXA0110984-UN-26OCT10

    A - Cap screws

    B - Left Side Panel

    For disassembly perform the following: Raise hood.



  2. Remove cap screws (A) and front left-hand side panel (B).

  3. IMPORTANT: Be careful not to damage sheave or belt when forcing outer sheave outward.

    RXA0091224
    RXA0091224-UN-26OCT06

    Control Valve Location (Gudgeon Hinge Area)

    RXA0109320
    RXA0109320-UN-06AUG10

    Control Valve Bleed Screw

    A - Control Valve Location

    B - Bleed Screw

    C - Vent Adapter Screw

    D - Service Cap Screw

    E - Inner Sheave

    Locate control valve in gudgeon hinge location (A) under rear left-hand upper gusset of main frame.



  4. IMPORTANT: Bleed screw (B) does not need to be completely removed for bleeding. Loosen bleed screw only enough to bleed oil back into reservoir (a maximum of two full turns).

    Bleed screw (B) is an internal drain that must be closed after sheave has been forced open.

    Loosen bleed screw jam nut and bleed screw (B) 1-2 turns.

  5. RXA0107867
    RXA0107867-UN-28MAY10

    A - Vent Adapter

    B - Cap Screw

    C - Piston Plate

    D - Inner Sheave

    E - Cap Screws 6 used

    F - Front Pulley

    Remove vent adapter (A) from housing.



  6. Remove cap screw (B) and thread threw vent adapter hole in to piston plate (C).

  7. Tighten cap screw (B) to pull inner sheave (D) inward.

  8. Hold front pulley (F) and remove cap screws (E).

  9. Pull front pulley evenly off shaft.

  10. RXA0107868
    RXA0107868-UN-28MAY10

    RXA0107869
    RXA0107869-UN-28MAY10

    A - Nuts 6 used

    B - Fan

    C - Belt

    Remove six nuts (A) and carefully position fan (B) forward against radiator.



  11. Remove belt (C) through opening between fan and fan hub.

  12. Discard old belt.

  13. Install new fan belt between fan and fan hub so that it is positioned between lower pulley halves.

    RXA0107915
    RXA0107915-UN-28MAY10

    A - Belt

    B - Drive Shaft

    C - Front Pulley

    D - Cap Screw 6 used



  14. Slide fan into place, install nuts and torque to specification.

    ItemMeasurementSpecification
    Fan-to-Drive Assembly
    NutTorque25 N˙m (18 lb-ft)

  15. Pull belt (A) onto drive shaft (B) and against rear pulley.

    IMPORTANT: When installing front pulley (C), make sure that belt remains loose and is not pinched between pulleys.

    Clean mating surfaces of front pulley and shaft.

  16. Install front pulley (C).

  17. Hold front drive pulley and tighten cap screws (D) to specification.

    ItemMeasurementSpecification
    Drive Pulley-to-Drive
    Cap ScrewTorque37 N˙m (27 lb-ft)

  18. Remove cap screw and install vent adapter, then reinstall cap screw to original position.

    ItemMeasurementSpecification
    Vent Adapter And Cap Screw
    Vent AdapterTorque25 N˙m (18 lb-ft)
    Cap ScrewTorque13 N˙m (9 lb-ft)

  19. NOTE: Bleed screw must be closed for proper tension to be applied to belt once tractor is started.

    Close bleed screw and tighten to specification and tighten jam nut to make sure it is closed and belt is loose between pulleys.

    ItemMeasurementSpecification
    Bleed ScrewTorque25 N·m 221 lb-in.
    Jam NutTorque25 N·m 221 lb-in.

  20. Install diverter panel and right-hand side front shield and torque to specification.

    ItemMeasurementSpecification
    Diverter Panel Cap Screws
    Cap ScrewTorque20 N˙m (15 lb-ft)

  21. NOTE: Starting engine with belt loose between pulleys allows belt to climb out of groove between pulleys. Belt will correctly position itself within a few seconds after engine is started.

    Start engine and run at idle for 15 seconds. Turn off engine.

  22. Remove right-hand side front shield and make sure that belt is correctly positioned between pulleys.

    CAUTION: Keep hands away from exposed fan blades. Blades have sharp edges which may result in personal injury.

  23. Install left-hand front side panel.

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