YP2425A
Maintenance and Lubrication
Great Plains
| 401-626M | 2019-06-11
109
7. Retract the circuit until fluid appears at the loosened
fittings. Set circuit to Neutral. Secure fittings.
8. Repeat for the other side.
9. Re-orient gravity pin lock to position noted at step 2.
10. Re-pin marker rod ends.
Marker Shear Bolt Replacement
If a marker gets caught or hits an obstruction, it is
designed to fail a shear bolt at the fold, pivot on a pin,
and swing back.
The shear bolt is a hex head cap screw,
3
/
8
-13 x 2
3
/
8
inch Grade 5,
Great Plains part number 802-130C, plus a
3
/
8
-13 lock nut, Great Plains part number 803-019C.
Install a replacement shear bolt on the vertical faces on
the side opposite from the pivot bolt.
Marker Grease Seal Cap
If grease seal cap for marker-disk-hub bearings is
damaged or missing, disassemble and clean hub.
Repack with grease and install new seal or grease cap.
Equipment Damage Risk:
Replacing shear bolt with a higher grade bolt can result in
marker damage. Replacing the shear bolt with a lower grade
can result in nuisance shears.
Figure 144
Marker Shear Bolt
29516
1
2
Содержание Yield-Pro Air-Pro YP2425A
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