Adjusting Frame Height-Center Frame

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 will effect frame height. It is normal for wing wheels to be adjusted differently than the centerframe wheels due to varying attachments and frame configurations.

NOTE: Adjust center frame wheel modules in pairs.

1. To change frame height on wheel modules (A) and (B), install service locks (E) on wheel modules (C) and (D) and lower machine onto service locks until pressure is removed from wheels being adjusted.

2. To change frame height on wheel modules (C) and (D), install service locks (E) on wheel modules (A) and (B) and lower machine onto service locks until pressure is removed from wheels being adjusted.

A-Wheel Module
B-Wheel Module
C-Wheel Module
D-Wheel Module
E-Service Locks

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IMPORTANT: All four centerframe wheels must be set in the same position.

3. Position wheel hubs so bottom of centerframe is 510 to 560 mm (20 to 22 in.) above the ground. Location (A) is for normal conditions. Location (B) will raise frame two inches and is used for softer soil conditions. Location (C) is for very soft soil conditions.

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

Specification

5. Repeat for adjacent wheel.

A-Wheel Hub Location (Normal Conditions)
B-Wheel Hub Location (Raise Frame)
C-Wheel Hub Location (Soft Soil Conditions)

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