Summers 4-Rank Superweeder - Manual (Page 31)

6. Remove existing front 3/4” X 5” bolts from inside mounting bracket on right hand section on the
center of machine and secure spring flat to prevent movement.
Install rock shaft bushing (8HD7000) on section mounting bracket using 3/4” X 5-1/2” bolts pro-
vided.
Insert center rock
shaft (8HD7130) into
bushing, slide second
bushing on rock shaft
and secure this bush-
ing on inside mounting
bracket of left hand
center section.
Position rock shaft to
allow an equal amount
of tubing to extend
past each bushing.
7. Using 3/4” X 4” X 4”
u-bolts, mount cyl-
inder attach bracket
(8HD7040) at cen-
terline of middle rock
shaft.
Install 3-1/2” X 8” hydraulic cylinder (8K8435).
Using 1/2” X 4” X 4” u-bolts, mount levers (8HD7060) on rock shaft on inside of each bushing.
8. Lay wing rock shafts on blocks next to implement wings. Slide bushings over rock shafts. (See
photo and hydraulic tine angle layout drawing for correct number of bushings). Position as shown
in drawing.
Elevate rock shaft and bushings to section mounting brackets. Beginning at one end of rock shaft,
remove lower 3/4” X 5” bolts from section mounting bracket and secure spring flat to prevent
movement.
Position rock shaft bushing over section mounting bracket. Insert 3/4” X 5-1/2” bolt in lower hole
of bushing and mounting bracket. Retain with 3/4” locknut.
After installing all lower bolts, remove existing upper bolts. Further elevate rock shaft and insert
top 3/4” X 5-1/2” bolts.
On right hand side of
Superharrow Plus,
position rock shaft so
it extends 1” ahead
of first bushing next
to wing tube knuckle.
On left hand side of
machine, rock shaft
needs to extend
4-1/4” ahead of first
bushing next to wing
tube knuckle.
SECTION 2 - SUPERHARROW PLUS
2-19