Great Plains 3N-4020 Assembly Instructions - Manual (Page 8)

113-777M 2/28/2006
Great Plains Mfg., Inc.
Flat Fold Marker Option 8
Dual Marker
Refer to Figure 10
1. Install elbow fittings (1) in cylinder ports.
2. For the right-hand marker attach 372" hose
(2) to base end elbow fittings. Attach 396"
hose (3) to the cylinder rod end elbow fittings.
3. For the left-hand marker attach 114" hose (4)
to base end elbow fittings. Attach 134" hose
(5) to the cylinder rod end elbow fittings.
4. Route the hoses along the same path as fold
cylinder hoses, allowing the same slack at
drill toolbar pivots.
5. Connect hose from base end of left marker
cylinder to elbow, then to port R1 on se-
quence valve (6). Connect hose from base
end of right marker cylinder to elbow, then to
port R2.
6. Connect hose from rod end of left marker cyl-
inder to elbow, then to port C1. Connect hose
from rod end of right marker cylinder to elbow,
then to port C2.
7. Connect 340" hoses (7) to the front side of the
sequence valve (6). Route the hoses down
the left-hand pull bar to the tractor. Secure
hoses to main hose bundle using hose clamp
brackets supplied in kit.
8. Route hoses down left-hand pull bar to the
tractor. Leave slack at pivots as needed. Se-
cure hoses to main hose bundle using hose
clamp brackets supplied in kit.
9. Proceed with "Bleeding Marker Hydraulics",
page 9.
Figure 10
Dual Marker Hydraulics
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