3.Pivot assembly re–assemble.

A.Press ball joints into pivot casting. Bottom ball joint first.

B.Insert and orientate grease fittings to face up- ward.

C.Install retaining rings on back side of ball joints.

D.Clean any debris, oil, or dirt from tapered joints on span casting and tapered sleeve. Any nicks should be filed off.

E.Install pivot casting into chamber housing with spacer plate on top and bottom of pivot casting.

F.Install pilot pin into 5/8 inch (16 mm) diameter “pivot” hole and drive flush with top surface of chamber housing.

G.Install eccentric cam through assembly with identification mark facing forward. Use a small amount of anti–seize compound on the diameter interface between eccentric cam and pivot cast- ing.

H.Install 7/16 inch grade 8 fasteners (and thick washers) and tighten assembly such that eccen- tric cam can still rotate pivot casting in chamber housing.

I.Install span casting over ball joints in pivot casting.

J.Use a soft mallet, tap tapered sleeve into place in top ball joint position.

K.Torque ball joints as follows:

IMPORTANT: Failure to torque ball joints as fol- lows can result in premature wear of ball joints due to pre–load applied to ball joint sockets.

Bottom ball joint nut

50 ft–lbs (7 Kgm)

Top ball joint nut

50 ft–lbs (7 Kgm)

Bottom ball joint nut

125 ft–lbs (17

Kgm)

Top ball joint nut

125 ft–lbs. (17

Kgm)

NOTE: It is NOT recommended to use slotted nuts on ball joints due to the need to over tighten or back–off slotted nuts and to align cross holes for use with a cotter pin.

 

3

 

2

6

4

 

7

 

1

5

4

Figure 25

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

Page 10 – 16 Rev. A

Groundsmaster 3000/3000–D

Page 198
Image 198
Toro 3000D manual Contour 82 Cutting Unit 10 16 Rev. a