Adjust Center Frame Height

IMPORTANT: Perform all frame height adjustments with machine on level ground.

Center frame wheel pairs must be adjusted to the same settings.

NOTE: Soil conditions affect frame height. Wing wheels can be adjusted differently than the center frame wheels due to varying attachments and frame configurations.

1. NOTE: Adjust center frame wheel modules in pairs.

   
   A51274-UN-26NOV02

   
   A51275-UN-26NOV02

   A - Wheel Module

   B - Wheel Module

   C - Wheel Module

   D - Wheel Module

   E - Service Locks

   To change frame height on wheel modules (A) and (B):
   • Install service locks (E) on wheel modules (C) and (D).
   • Lower machine onto service locks until pressure is removed from wheels being adjusted.
   
   

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2. To change frame height on wheel modules (C) and (D):

   • Install service locks (E) on wheel modules (A) and (B).
   • Lower machine onto service locks until pressure is removed from wheels being adjusted.
   
   

3. IMPORTANT: All four center frame wheels must be set in the same position.

   
   A51276-UN-26NOV02

   12/16 Row

   
   A53354-UN-01DEC03

   24 Row

   A - Wheel Hub Location (Normal Conditions)

   B - Wheel Hub Location (Raise Frame)

   C - Wheel Hub Location (Soft Soil Conditions)

   Position wheel hubs so bottom of center frame is 510—560 mm (20—22 in.) off ground. Location (A) is for normal conditions. Location (B) raises frame two inches and is used for softer soil conditions.

   24 Row: Location (C) is for soft soil conditions.

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4. Tighten wheel hub cap screws to specification after making adjustments.

   Item	Measurement	Specification
   Center Frame Wheel Cap Screws	Torque	610 N·m (450 lb.-ft.)

5. Repeat for adjacent wheel.