GREAT PLAINS Yield-Pro YP4025A-48TR20, Operator'S Manual

Page: 120 / 190

2019-03-19 Table of Contents Index 411-198M
YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication 116
Lift Cylinder Bleeding
Refer to Figure 128
1. Unfold and lower product.
2. Unpin rod ends of all lift cylinders. Position cylinders
so that rod ends may extend without striking
machine parts.
3. Loosen the JIC fittings at the base end of each
master lift cylinder.
4. Extend the circuit until fluid appears at the loosened
fittings. Set circuit to Neutral and secure fittings.
5. Loosen the JIC fittings at the base end of each
slave lift cylinder.
6. Extend the circuit until fluid appears at the loosened
fittings. Set circuit to Neutral and secure fittings.
7. Re-pin rod ends.
Fold Cylinder Bleeding
Refer to Figure 129
1. Begin with product raised and lift cylinder locks
installed.
2. Unpin cylinder rod ends. Orient cylinders so that rod
ends may extend without striking product parts.
3. Loosen the JIC fittings , at the base end of all
cylinders.
4. Extend the circuit until fluid appears at the loosened
fittings. Set circuit to Neutral and secure fittings.
5. Loosen the JIC fittings , at the rod end of all fold
cylinders.
6. Retract the circuit until fluid appears at all fittings. Set
circuit to neutral and secure fittings.
7. Extend cylinders and re-pin cylinder rod ends.
Figure 128
Lift Bleed
25227
1
2
1
2
1
2
Figure 129
Fold Bleed
29808
3
1
2
4
1
3
2
4
1 2
3 4