Replace Brush Sections

Remove Old Brush Sections

Avoid damage! Replace brush sections when worn to 23 cm (9 in) in diameter.

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A - Main Shield

B - Gearbox Shield

C - Parking Stand Crossbar

D - Bolts and Locknuts

E - Nut

F - Washer

G - Spring

1. Park machine safely.

2. Remove all bolts in main shield (A). Remove main shield with gearbox shield (B).

3. Block broom or support broom with a suitable lifting device at area just behind parking stands (C).

4. Brush sections removed from core.

   Remove bolts and locknuts (D) in chain guard. Remove chain guard.

5. Remove nut (E), washer (F) and spring (G) from idler tension bolt.

6. 
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   H - Master Link Retaining Clip

   I - Support Core

   J - Bolts (2 used)

   K - Brackets

   L - Spacers

   Locate master link retaining clip (H) on drive chain. Remove and retain the clip.

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7. Remove master link to disconnect chain. Retain master link and remove the chain.

8. Brush sections removed from core.

   Support core (I) near both ends with a suitable lifting device.

9. Remove two bolts (J) and nuts attaching parking stand to broom. Remove brackets (K) and spacer (L) on both sides of broom. Remove core with brush sections from broom.

10. Brush sections shown installed on core on broom.

    
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    M - Inside Retainer Plate

    N - Locknut

    O - Shear Bolt

    P - Core Pin

    Q - Flange Bearing

    R - Core Retainer

    S - Thrust Bearing

    T - Tube

    U - Screws (3 used)

    V - Retainer Plate

    Twelve brush sections are installed on both sides of the core. Note the brush section installation sequence for each side:

    1. Slide the first brush section onto the core against the inside retainer plate (M) as shown.

    2. Slide eleven additional brush sections onto the core in an alternating pattern.

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11. Remove locknut (N) and shear bolt (O). Remove core pin (P), flange bearing (Q), core retainer (R), thrust bearing (S), tube (T) and three screws (U). Remove retainer plate (V).

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

    Remove brush sections from core.

Install New Brush Sections

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A - Retainer Plate

B - Screws (3 used)

C - Tube

D - Thrust Bearing

E - Core Retainer

F - Flange Bearing

G - Core Pin

H - Shear Bolt

I - Locknut

J - Spacers

K - Parking Stand Brackets

L - Bolts and Nuts (2 used)

M - Master Link Retaining Clip

1. Replace bush sections as needed in correct installation sequence.

2. Install retainer plate (A) on core with three screws (B).

3. Install tube (C), thrust bearing (D), core retainer (E), flange bearing (F), core pin (G), shear bolt (H) and locknut (I).

4. Install broom core, spacers (J) and parking stand brackets (K) with two bolts (L) and nuts.

5. Install and connect drive chain with master link and retaining clip (M).

6. Brush sections removed from core.

   
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   N - Bolts and Locknuts

   O - Spring

   P - Washer

   Q - Nut

   R - Main Shield

   S - Gearbox Shield

   Install chain guard with bolts and locknuts (N).

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7. Install spring (O), washer (P) and nut (Q) on idler tension bolt.

8. Install main shield (R) with gearbox shield (S).