Summers Disk-Chisel - Manual (Page 20)

2-8
SECTION 2 – SET-UP OF DISK-CHISEL & COULTER-CHISEL CENTER SECTION (32’-36’)
4. Install cylinder attach brackets with 3/4” u-bolts.
NOTE: – Locate Rear Cylinder Attach Brackets (8T4224) 62” from frame center.
– Center front cylinder attach bracket (8T4200) as shown.
5. Insert eyebolts (8K1683) into each cylinder attach bracket.
– Tighten 1-1/2” nuts so the same amount of threads are above top nut on all eyebolts.
Insure that cylinder attach holes are aligned when eyebolts are tightened.
6. All liftarms will be centered beneath cylinder attach brackets.
– Use 3/4” u-bolts for 4x4 to attach liftarm pivots (8T4100) to frame.
– Slide pivot pin (8T3640) through liftarm and liftarm pivots.
– Insert 7/16 x 3-1/2” bolt in retaining bolt hole. Secure with lock nut.
7. Install walking tandem assemblies to bottom of rear liftarms.
– The left hand side of center frame uses a left hand assembly (8T4166) and the right hand
side uses a right hand assembly (8T4168).
– Slide pivot pin (8T3620) through walking tandem assembly and lift arm.
– Insert 7/16 x 3-1/2” bolt in retaining bolt hole. Secure with lock nut.
– Install 8T4190 (left) and 8T4192 (right) mud guards as shown. Secure with 3/8” u-bolts and
fl ange nuts.
7a. Install walking tandem assembly to bottom of front center lift arm.
– Check inside surface of walking tandem assembly (8T4132). A 3-3/4” diameter surface around
the 1-1/2” dia. pivot hole must be smooth and burr-free. Remove any welding spatter or
roughness prior to further assembly. Install snap rings (8K1920) past grooves of lower pivot
tube. Install V-seals over lower pivot tube until solid side is against snap ring. Protect lip
of V-seals during assembly.
– Install walking tandem assembly to bottom of center liftarm. Mount so right axle is towards
front. Insert pivot pin (8T3620) through walking tandem assembly and liftarm. Retain with
7/16” x 3-1/2” bolt and lock nut.
– Push V-seals against walking tandem assembly and secure by placing snap ring into
groove.
8. Hang cylinders in correct locations.
– Use 5-1/2” x 10” (8T1055) on left hand side of center, 5 x 10” (8T1050) on right hand side of
center, and 4 x 10” (8T1040) on center wheel assembly.
– The front center lift arm (8T4130) has two cylinder attach locations. Use front cylinder attach
hole. Cylinder attach location can be changed based on fi nal adjustments. Connecting
front center cylinder to rear hole will lower front end of coulter-chisel in transport position.