Prepare parallel arms – Great Plains 3PYPA Predelivery Manual User Manual
Page 25

Great Plains Manufacturing, Inc.
Planter Assembly
21
2012-08-08
401-647Q
Prepare Parallel Arms
The seed frame is attached to the main frame’s parallel
arms, after releasing the arms from their shipping
configuration.
Refer to Figure 30
24. Remove and save the 32 sets of:
803-021C NUT HEX 5/8-11 PLT
804-022C WASHER LOCK SPRING 5/8 PLT
802-057C HHCS 5/8-11X2 1/4 GR5
25. Remove and save the extra pin and cotter pin
stored near the spare shear bolts.
Refer to Figure 32
The parallel arms are shipped mounted to the rear of the
main frame and each is held in the vertical down position
by a 1
1
⁄
4
inch diameter pin
.
26. Remove both arm locking pins
. These pins are
not re-used.
27. Remove and save the cotter pins, washers and
cross-pins
in the free ends of the lift-assist
cylinder clevises.
Refer to Figure 32 (which depicts elevating with a strap and
forklift, and depicts the clevis attached [step 31])
28. Using a hoist, elevate each parallel arm until
roughly horizontal. Parallel arms can be supported
by re-inserting pins
from step 27.
Figure 30
Parallel Arm Flange Bolts
29147
3
47
58
36
47
58
36
3
Figure 31
Parallel Arm Shipping Pin
29145
4
5
4
4
5
Figure 32
Elevate and Support Parallel Arm
29146
4
4