Adjusting Drill-Shaft Drive Couplers

Completely UNFOLD and lower machine to ground.

NOTE: Ends of hex drill-shafts MUST be on center with each other. If shafts are NOT on center, adjust bearing bracket or bearing flange.

If drill-shaft couplers are misaligned, wing drill-shafts will speed up and down with each revolution of drill shaft.

Drill-shaft drive couplers MUST align. FLAT surfaces on SIDES of coupler (A) and coupler (B) should be touching and in alignment.

To align, proceed as follows:

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A-Coupler
B-Coupler

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1. Loosen nuts (A) on bearing hanger.

2. Move hanger to align shaft center lines.

3. After shafts are in alignment, tighten hanger nuts (A).

4. Loosen shaft retainers (D) and slide drill shafts to align flat surfaces on couplers (B) and (C).

5. Tighten shaft retainers (D).


A-Nuts
B-Coupler
C-Coupler
D-Shaft Retainers

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