Air Compressor Belt (If Equipped)—Replacing (Final Tier 4/Stage IV)

1. 

   
   H106847-UN-08FEB13

   A - Latches

   B - Rotary Screen Door

   Shut OFF engine, set park brake and remove key.

   Pull latches (A) and open rotary screen door (B).

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2. 
   H110003-UN-18MAR14

   A - Nuts (7 Used)

   B - Clamps

   C - Air Duct

   Remove nuts (A) and loosen hose clamps (B).

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3. Lay air duct (C) out of the way.

4. 
   H95648-UN-10MAR10

   A - Shield

   Remove shield (A).

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5. 
   H95649-UN-10MAR10

   A - Cap Screws (6 Used)

   B - Fan Assembly

   Remove cap screws (A) from fan assembly (B).

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6. Lay fan assembly out of the way.

7. 
   H95650-UN-10MAR10

   A - Cap Screws

   B - Spacers

   Remove cap screws (A) and spacers (B).

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8. Install previously removed cap screws until spring is compressed completely.

9. 
   H118329-UN-04MAY16

   A - Lockout Pin

   B - Handrail

   C - Separator Access Cover

   Pull lockout pin (A) and rotate handrail (B) up until handrail locks into place to open separator access cover (C).

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10. 
    H95652-UN-10MAR10

    A - Bleed Screw

    Locate valve on the front side of the support rail and loosen bleed screw (A) to relieve pressure from sheaves.

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11. 
    H95653-UN-31MAR10

    A - Sheave

    B - Variable Speed Belt

    With the bleed screw loose, pull sheave (A) towards engine until completely open.

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12. Remove variable speed belt (B).

13. 
    H113087-UN-02MAR15

    A - Tensioner Arm

    B - Air Compressor Belt

    Use breaker bar to relieve belt tension from the tensioner arm (A).

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14. Remove air compressor belt (B).

15. Install the replacement air compressor belt.

16. Belt MUST be installed over the driver sheave first and then over driven sheave.

    Install variable speed belt.

17. 
    H95650-UN-10MAR10

    A - Cap Screws

    B - Spacers

    Spring MUST be uncompressed to allow variable speed fan to adjust speed.

    With the variable speed belt installed, remove cap screws (A) to uncompress spring and install previously removed spacers (B) as shown.

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18. 
    H95654-UN-10MAR10

    A - Fan Assembly

    B - Index Marks

    C - Boss

    D - Cap Screws (6 Used)

    Install fan assembly (A) so index marks (B) are positioned on either side of boss (C).

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19. Install previously removed cap screws (D). Tighten cap screws to specification.

    Cap Screws	Torque	40 N·m (30 lb·ft)

20. 
    H95652-UN-10MAR10

    A - Bleed Screw and Nut

    Locate valve on the front side of the support rail and tighten bleed screw and nut (A) to specification.

    Bleed Screw and Nut	Torque	23 N·m (17 lb·ft)

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21. Close separator access cover and lower handrail.

22. Install previously removed shield (rear side) and air duct.

23. Close and latch the rotary screen door.