Replace Engine Accessory Drive Belt (9550 Combines)

1. To remove accessory belt, insert a 1/2 inch drive breaker bar (A) into the square hole in idler to release tension on the belt. Remove belt (B) from alternator.

A-1/2 Inch Breaker Bar
B-Belt

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2. Remove spring locking pin from upper rotary screen tension rod and remove rod from bracket (A) to relieve tension on rotary screen drive belt.

3. Remove rotary screen belt from sheave on engine.

A-Bracket

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4. Loosen jam nut and adjusting nut (A)

5. Remove spring locking pin (B) and tension rod (C) from bracket (D) to gain access for the removal and installation of fan belt.

6. Remove fan belt.

7. Remove old accessory drive belt.

A-Adjusting Nut
B-Spring Locking Pin
C-Tension Rod
D-Bracket

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8. Install new belt (B), by inserting a 1/2 inch breaker bar (A) into square hole of idler to release tension.

A-1/2 Inch Breaker Bar
B-Belt

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9. Install fan belt

10. Install tension rod (A) into bracket (B) and retain with spring locking pin (C).

11. Tighten adjusting nut (D) until gauge aligns with rubber bushing and tighten jam nut.

A-Tension Rod
B-Bracket
C-Spring Locking Pin
D-Adjusting Nut

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12. Install rotary screen belt onto sheave on engine.

13. Install tension rod under bracket (A) and install spring locking pin in upper rotary screen tension rod

A-Bracket

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