Remove and Replace Knife Drive Belt

Rigid Platforms

NOTE: Lower platform completely to allow for ease of knife drive belt removal.

1. Open left-hand shield.

2. Pull up on tensioner arm sheave (A) to relieve belt tension.

3. Remove drive belt (B).

4. Install new belt and close left-hand shield.

H75362


A-Tensioner Arm Sheave
B-Cutterbar Drive Belt

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Flex Platforms

NOTE: Lower platform completely to allow for ease of knife drive belt removal.

1. Open left-hand shield.

2. Loosen cap screw (A) and remove shield (B).

3. Pull up on tensioner arm sheave (C) to relieve belt tension.

4. Remove drive belt (D).

5. Install new belt.

6. Reinstall shield (B) and retain with cap screw (A).

7. Close left-hand shield.

H77114


A-Cap Screw
B-Shield
C-Idler Sheave
D-Cutterbar Drive Belt

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Adjusting Knife Drive Belt Tension

1. Raise platform and lower feederhouse safety stop.

2. Loosen jam nut (A).

3. Tighten nut (B) until washer (C) aligns with end of gauge (D).

4. Tighten jam nut.


A-Jam Nut
B-Nut
C-Washer
D-Gauge

H69925

Flex platform shown

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