Great Plains 3PYP Operator Manual - Manual (Page 106)

102 3PYP Table of Contents Index Great Plains Manufacturing, Inc.
401-312M Table of Contents Index 2014-09-09
Bleeding Wing Flex Hydraulics
Refer to Figure 129 and Figure 130
1. Consult appropriate flex circuit hydraulic diagram for
your planter:
“Lift with Hydraulic Down-Pressure (S/N
A1025S+)”, page 134
“Lift with Hydraulic Down-Pressure (S/N
A1025S+)”, page 134
(both partially repeated here for reference)
2. Check that tractor hydraulic reservoir is full. Set
hydraulics for low flow rate.
3. Set circuit to Retract and retract cylinders until they
stop.
4. Set circuit to neutral.
5. Loosen JIC fitting at right cylinder, base end :
6. Set circuit to Extend until fluid appears.
7. Neutralize circuit and secure JIC fitting.
8. Set circuit to Extend until rods extend to stop.
9. Neutralize circuit and loosen JIC fitting at left
cylinder, rod end
:
10. Set circuit to Retract until fluid appears.
11. Neutralize circuit and secure JIC fitting.
12. Extend and retract circuit several times.
Figure 129
Wing Flex Cylinders
25422
Figure 130
Wing Flex Cylinders
25197
L
R
1
2
1
2