Great Plains 6324DV Operator Manual - Manual (Page 22)

Section 1: Assembly
Table of Contents ► Great Plains Mfg., Inc.
Series VII 5110-6324 Discovator 550-220M 6/10/2004
20
Center Lift Cylinder, Rest Pads and Hydraulic Valves Assembly
Connect the 4 x 8 main lift cylinder (1)
to the center hitch pole as in Figure 7.
Connect the rod end to the lug on the H-
bracket. Place a 1” flat washer on each side of
the lug on the H-bracket to keep the hardened
bushings from coming out.
Secure the cylinder with a 1 x 3 1/2”
clevis pin (2), 1” machine washers and 3/16 x
2 cotter pins and the previously installed 1 x 9
Gr.8 bolt (3). 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 either 5/8 x 3
x 5 1/2, (6112, 6318, 6320 & 6324) or 5/8 x 3
x 4 1/2 (5110 & 5315) 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 torque tube with 3/4 x 2 1/2”
clevis pin (10), 3/4” flat washer and 1/8 x 1 1/2
cotter pin. Bolt the depth stop assembly (11)
onto depth stop tube (9) with two 1/2 x 2 1/2
hex bolts (12) using 1/2” lock washers and hex
nuts.
On 3-section models, U-bolt the 3”
cylinder rest pads (13) on the center bar as
shown, using a 1/2 x 3 x 5 u-bolts (14) with
lock washers and hex nuts (see machine
layout drawing for exact placement).
Figure 7
1/04/2008