Great Plains 6328 Series VII Field Cultivator-Rigid Hitch Operator Manual - Manual (Page 22)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc..
Series VII 6113-6328 Field Cultivator, Rigid Hitch 560-202M 9/18/2003
20
Center Lift Cylinder, Bolt on Stubs and Hydraulic Valves Assembly
Connect the center master cylinder (1)
to the hitch frame as in Figure 7. Connect the
rod end to the level bar cylinder mount and the
H-bracket. Place two 1” flat washers on the
inside of the cylinder clevis. Use the 1 x 9
GR8 bolt (2) and nylon lock nut but do not
torque.
Secure the base end of the cylinder
with 1” x 3 1/2 clevis pin (3), 1” machine
washers and 3/16 x 2 cotter pins. Mount the
rebound valve (4) as shown with the V1 port to
the front and top using two 5/16 x 4 hex bolts
(5) with lock washers and hex nuts.
Install the depth stop mounting bracket
(6) to the center brace bar using two 5/8 x 3 x
5 1/2 u-bolts (7), lock washers and hex nuts.
Bolt the depth stop valve (8) on top of the
bracket using the 5/16 x 2” hex bolts with lock
washers. Insert the depth stop tube (9) into the
mounting bracket (6) and attach to the level
bar with 1/2 flat washer and 1/8 x 1 cotter pin.
Bolt the depth stop assembly (10) onto the
depth stop tube with two 1/2 x 2 1/2 hex bolts
(11) with lock washers and hex nuts.
U-bolt the 11” u-bolt on stubs (12) to
the center brace bar with 5/8 x 4 1/32 x 4 1/4
u-bolts (13) with lock washers and hex nuts
(see shank layout drawing for proper
placement).
U-bolt the 3” cylinder rest pads (14) to
the center frame using a 1/2 x 3 x 5 u-bolt (15)
with lock washers and hex nuts (see shank
layout drawing for exact placement).
Figure 7
1/10/2005