Replacing Brush Sections 60 Broom

Remove Brush Core

1. Avoid damage! Replace brush sections when bristles wear down to 36 cm (14 in.).

   Replacement of brush sections is easiest with the brush head mounted on the tractor. Replacement of all brush sections is recommended to ensure even wear.

   Park machine safely (See Parking Safely in the Safety section.)

2. Lower broom to 76 mm (3 in.) off the ground.

3. Support brush head in raised position with wood blocks or a safe lifting device.

4. 
   MXT013721-UN-16MAR15

   Remove six screws (A) and chain guard (B) from right side of broom.

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5. 
   MXT013726-UN-16MAR15

   Locate master link retaining clip (A) on drive chain.

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6. 
   MXT014936-UN-23JUN15

   Remove master link to disconnect chain. Remove chain from large sprocket (A).

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7. 
   MXT014937-UN-23JUN15

   Picture Note: Right end of brush core shown.

   Loosen two set screws (A) on each bearing lock collar at ends of brush core.

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8. 
   MXT014938-UN-23JUN15

   Remove snap ring (A) at large sprocket.

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9. Remove set screws (B). Install one of the removed set screws into threaded hole (C).

10. 
    MXT014939-UN-23JUN15

    Turn set screw at hole (A) clockwise until locking hub (B), sprocket (C), square key (D), and set screw (E) can be removed from brush core.

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11. 
    MXT014940-UN-23JUN15

    Remove hex nuts (A), lock washers (B), and carriage bolts (C) to remove right park stand assembly (D).

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12. 
    MXT014941-UN-23JUN15

    Loosen two nuts (A) at left end of brush core.

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13. 
    MXT014942-UN-23JUN15

    Slide brush core (A) toward left end of broom housing.

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14. Remove three nuts (B), lock washers (C), and carriage bolts (D) securing right end of bearing and flanges in position.

15. Avoid injury! Brush bristles can be sharp. Wear heavy gloves when handling the brush head.

    
    MXT014943-UN-23JUN15

    Pull brush core (A) from broom housing.

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16. 
    MXT014944-UN-23JUN15

    Remove two flanges (A) and end bearing (B) from right end of brush core.

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Replace Brush Sections

1. 
   MXT014945-UN-23JUN15

   Remove three cap screws (A) and retainer plate (B) from left end of brush core.

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2. Remove brush sections from brush core.

3. 
   MXT014946-UN-23JUN15

   Position brush core right end plate on wooden blocks.

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4. Number tubes on brush core 1, 2, and 3 as shown.

5. Avoid damage! When using a combination of one-half polypropylene and one-half steel wire brush sections, place a polypropylene section first and last on the brush core to prevent damage to the broom.

   Slide first brush section onto core with drive pins (A) offset upward straddling both sides of tube 1.

6. 
   MXT014947-UN-23JUN15

   Slide second brush section onto core with drive pins (A) offset downward straddling both sides of tube 2.

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7. 
   MXT014948-UN-23JUN15

   Slide third brush section onto core with drive pins (A) offset downward straddling both sides of tube 3.

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8. 
   MXT014949-UN-23JUN15

   Slide fourth brush section onto core with drive pins (A) offset upward straddling both sides of tube 1.

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9. 
   MXT014950-UN-23JUN15

   Continue installing brush sections as shown until core is full. Make sure to alternate the tubes used and direction of drive pins (A)

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10. 
    MXT014951-UN-23JUN15

    Install retainer plate (A) on left end of brush core with three cap screws (B).

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Install Brush Core

1. Position brush core in font of broom housing.

2. Make sure that bearing collar faces inside.

   
   MXT014952-UN-23JUN15

   Install left end of brush core into broom housing by inserting brush core into bearing collar. Do not tighten set screws (A) or nuts (B) at this time.

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3. 
   MXT014944-UN-23JUN15

   Install two flanges (A) and end bearing (B) onto right end of brush core.

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4. Make sure end of bearing (A) and flanges (B) go between inside broom hosing and brush core.

   
   MXT014954-UN-23JUN15

   Install right end of brush core into broom housing:

   1. Slide brush core toward left end of broom frame.

   2. Align holes in broom housing with holes in flanges.

   3. Install three carriage bolts (C) from the outside, lock washers (D), and nuts (E) to secure right end bearing and flanges in position.

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5. 
   MXT014995-UN-23JUN15

   Install right parking stand assembly (A) to brush head housing with two carriage bolts (B), lock washers (C), and nuts (D). Tighten nuts.

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6. 
   MXT014937-UN-23JUN15

   Picture Note: Right end of brush core shown.

   Slide brush core toward right end of broom housing.

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7. Tighten two set screws (A) on each bearing lock collar at ends of brush core.

8. 
   MXT014941-UN-23JUN15

   Tighten two nuts (A) at left end of brush core.

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9. Install chain drive sprocket:

   1. 
      MXT014998-UN-23JUN15

      Install washer (A) onto brush core shaft (B).

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   2. 
      MXT014999-UN-23JUN15

      Install sprocket (A), locking hub (B), and square key (C).

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   3. 
      MXT015000-UN-23JUN15

      Install two set screws into threaded holes (A). Tighten set screws.

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   4. 
      MXT014997-UN-23JUN15

      Install snap ring (A).

10. 
    MXT014996-UN-23JUN15

    Install drive chain (A) to large sprocket (B):

    1. Route chain on top of idler (C) and around large sprocket.

    2. Install chain master link.

    3. Install master link retainer clip (D).

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11. Lubricate drive chain with clean engine oil˙.