Walkboard and ladder – Great Plains YP4025F-1670 Operator Manual User Manual
Page 49

Great Plains Manufacturing, Inc.
Operating Instructions
45
2014-09-08
401-571M
Walkboard and Ladder
Walkboard pin and pivot operation is covered on
page 50.
Refer to Figure 40
The bottom two steps
of the walkboard ladder is a
swing-down section. To release it, pull the spring-loaded
pin
forward and pull the top of the free end of the
ladder back.
To re-stow the steps, merely swing them up and forward.
The spring-load pin automatically engages.
Machine Damage Risk:
Ladder steps must be locked up before lowering planter or
machine damage will occur.
Refer to Figure 40
A tool
is pinned to the bottom of the walkboard. it is
easier to remove and replace this tool with the planter
lowered.
The tool is useful on 10HD and 25P openers. The
wrench end fits the nut weldment of the spring force cam
(page 72). The pry end fits the hub groove of green seed
wheels (page 83).
Refer to Figure 42
As necessary for auger clearance, open walkboard top
railing. At each side, pull cross-pins
out and make
1
⁄
4
turn. Release pin into shallow detents. Swing railing
toward hopper.
Figure 40
Walkboard Lower Ladder
29321
2
1
1
2
Figure 41
Walkboard Tool Location
29322
3
3
Figure 42:
Walkboard Swing-Down Rail
29309
1
1
1