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Chamber Pivot Service
If cutting unit chamber pivot assemblies should ever
have to be separated for service or repair, use the follow-
ing procedure.
1. Pivot assembly dis–assembly.
A. Remove capscrews and nut from pivot cast-
ing.
B. Loosen capscrew locking eccentric cam in
place.
C. Using a 1/2 inch (13 mm) diameter drive pin,
drive pilot pin 3/8 inch (10 mm) to 1/2 inch (13 mm)
into pivot casting.
D. Slide pivot assembly out of chamber housing.
1
2. Ball joint removal from pivot assembly
Figure 23
A. Remove the lock nuts from the ball joint studs.
1. Chamber pivots
B. Separate span casting from ball joints, Using
an expansion fork and soft (lead) hammer.
C. Slide tapered sleeve out of span casting. and
save this part.
D. Remove retaining rings from back side of ball
joints.
E. Using a press, push ball joints out of pivot cast-
ing. The front (top) ball joint should be removed
first.
1
3
4
4
5
6
7
Figure 24
1. Pivot casting 5. Span casting
2. Pivot pin 6. Tapered sleeve
3. Eccentric cam 7. Pivot spacer (2)
4. Ball joint
Contour 82
Cutting Unit
Groundsmaster 3000/3000–D
Page 10 – 15
Contour 82 Cutting Unit
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