Adjusting Cutterbar Fore/Aft

NOTE: Rigid platforms are shipped from factory in the extended cutterbar position. To reposition cutterbar requires a different knife drive belt, see your John Deere Dealer for proper belt.

1. Raise feeder house and set safety stops on combine.

NOTE: All rigid platforms are originally setup with the cutterbar in the extended position.

2. Pull up on tensioner arm sheave handle (A) and remove cutterbar drive belt (B).

H75362


A-Tensioner Arm Sheave Handle
B-Cutterbar Drive Belt

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3. Remove cap screw (A) and idler sheave (B).


A-Cap Screw
B-Idler Sheave

H77544

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4. Remove carriage bolts (A) and auger deflector shield (B) if equipped.


A-Carriage Bolts (4 used)
B-Auger Deflector Shield

H64266

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5. Remove cap screws (A) along rear edge of feed floor.


A-Cap Screws

H64275

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NOTE: Idler sheave mounting bracket (B) is removed for clarity.

Idler sheave mounting bracket removal is not required for procedure.

6. Remove nuts (A) and carriage bolts between divider points and end sheets on both sides of platform.


A-Nuts
B-Idler Sheave Bracket

H64272

Right-Hand Side

H75370

Left-Hand Side

H77095

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IMPORTANT: Loosen nuts (A) as much as possible without removing them to ensure free movement.

7. Loosen but do not remove nuts (A) under cutterbar support arms.

IMPORTANT: Be careful not to damage skid plate sensor straps and wiring harness, if equipped.

8. Raise feeder house safety stops and lower platform to ground. Drive combine slowly forward or rearward to desired position:

  • Retracted-front of slot
  • Mid-line up sight holes in channel and frame
  • Extended-rear of slot

IMPORTANT: Holes in feed plates and floor must line up.

9. Tighten nuts (A) under cutterbar support arms.

H64274


A-Nuts

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10. Install carriage bolts and nuts (A) on both sides of platform.


A-Nuts

H64272

Right-Hand Side

H75370

Left-Hand Side

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11. Install bolts along rear edge of feed plate.


A-Cap Screw

H64275

OUO6035,000148F -19-06AUG01-8/11

12. Install auger deflector shield (B) and carriage bolts (A).


A-Carriage Bolts (4 used)
B-Auger Deflector Shield

H64266

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13. Reinstall idler sheave (B) and retain with cap screw (A).


A-Cap Screw
B-Idler Sheave

H77544

OUO6035,000148F -19-06AUG01-10/11

NOTE: See your John Deere dealer for a knife drive belt for mid and/or retracted cutterbar positions.

14. Pull up on tensioner arm sheave handle (A) and install cutterbar drive belt (B).

15. Check auger finger timing and reel height. Adjust as required to avoid damage to platform.


A-Tensioner Arm Sheave Handle
B-Cutterbar Drive Belt

H75362

OUO6035,000148F -19-06AUG01-11/11