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Great Plains V300 Assembly Instructions User Manual

Page 16

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Great Plains Mfg., Inc.

16

Opener Down Pressure Kit

148-771M

11/08/2006

Refer to Figure 24

122. H. Select the 2.7m hose (17) 811-699C,

(HH3/8R2 106 9/16FJIC).
Attach one end to the ell at the tee in the fitting tree
between bypass valve (48) and its shuttle valve
(46). Attach the other end to the fitting

,(57) at

the top (base end) of the left lift cylinder.

123. Not shown:

Disconnect the “from tractor”/lower hose

at the

bottom (rod end) of the right lift cylinder

.

J. Shown:
Connect the “from tractor”/lower hose

to the fit-

ting at the front top port of bypass valve (48).

124. Select an ell (57) 811-171C,

(AD 9/16MORB 9/16MJIC).
Remove the existing ell at the bottom (rod end) of
the right lift cylinder

. Replace it with ell (57)

125. K. Select a 1.3m hose (19) 811-705C,

(HH3/8R2 050 9/16FJIC).
Attach one end to the right-facing (center) port of
the tee low in gauge fitting tree (42). Attach the
other end to the fitting

,(57) at the bottom (rod

end) of the right lift cylinder.

126. L. Select a 38cm hose (22) 841-136C,

(HH3/8R2 015 9/16FJIC 3/4FJIC).
Connect one end to the in-line filter on the adjust-
ment valve assembly (44). Attach the other end to
the top rear port of the bypass valve (48).

18

Figure 24

Open Center Hoses

25131

44

48

42

21

47

17

57

T

B

F

B

L

R

19

20

22

46

42

18

46

57

A

B

C

J

G

F

D

E

H

L

K