Great Plains YP625PD Predelivery Manual - Manual (Page 39)

Great Plains Manufacturing, Inc. Contents Index Planter Assembly 35
07/05/2011 Contents Index 401-754Q
Connect Parallel Arms
Refer to Figure 70 and Figure 71
142. Select one:
151-173H LIFT ASSIST LWR PARALLEL ARM
Note: The lower parallel arms have a cross-tube with
a cylinder lug . The arms are installed with the
cross-tube closer to the front, lug up, and lug
pointing to the rear.
143. Select one set:
802-728C HHCS 1-8X18 GR5
804-029C WASHER FLAT 1 SAE
804-027C WASHER LOCK SPRING 1 PLT
803-031C NUT HEX 1-8 PLT
144. Bring the forward tube of the lower arms into
alignment with the lower holes of the lift-assist
mount . Insert a bolt . Add a flat washer
and lock washer . Secure with nut ,
tightened to Grade 2 torque.
145. Select one set:
802-728C HHCS 1-8X18 GR5
804-029C WASHER FLAT 1 SAE
804-027C WASHER LOCK SPRING 1 PLT
803-031C NUT HEX 1-8 PLT
Bring the lower holes of the lift-assist pivot
into alignment with the rear tube of the lower
arms
. Insert a bolt . Add a flat washer
and lock washer . Secure with nut ,
tightened to Grade 2 torque.
146. Select one:
402-172H 16R PARALLEL ARM WLDMNT 2
Note: The upper parallel arms are symmetrical. There is
no top, bottom, front or back.
147. Repeat step 143 through step 145 for the upper
arms and upper holes.
Null4:
Figure 70
Parallel Arms Installed
32123
112
1
168
2
3
155
111 112
112
1
281
316
315
292
112
2
155 281 316
315 292
Null4:
Figure 71
Parallel Arm Parts
31797
281
281
316
315
292
292
315
316
112
155
111 281
316
315
292
3 111
112 281 316
315 292
168