Great Plains YP625PD Predelivery Manual - Manual (Page 29)

Great Plains Manufacturing, Inc. Contents Index Planter Assembly 25
07/05/2011 Contents Index 401-754Q
Install Ground Drive Arm
Refer to Figure 44
If the ground drive arm is installed, and the spring is
connected, continue at “Install Lift Assist Weldment”
on page 27.
Note: Leave the packet of hub bolts in place on the
arm. These are for the toothed drive wheel, which
is not installed until step 343 on page 76.
Install Ground Drive Arm
Refer to Figure 45
If the ground drive arm is installed, and only requires
spring connection, continue at “Connect Ground Drive
Spring” on page 27. If the drive mount appears as in
Figure 45, install the arm.
Remove Ground Drive Pivot Shaft
Refer to Figure 45 and Figure 46 (on page 26)
72. Relax the upper stage idlers
. Lift the upper
chain off the pivot driving sprocket .
73. Remove and save the lock collar:
402-025S LOCK COLLAR, 7/8 HEX W/ SET SC
the driving sprocket:
808-222C SPKT 40C21 X 7/8 HEX BORE
and a spacer (not visible in photo):
402-566D 7/8 HEX SHAFT SPACER TB X 1/2
74. Prepare to catch the driven sprocket and
spacers ( and ). From the left, withdraw the
shaft:
402-563D DRIVE HEX SHAFT
leave the machine washers ( , not visible in
photo) on the shaft,
804-061C WASHER MACH 1.50 X 1.00 X 18GA
and recover the sprocket and spacers:
120-310D SPACER TUBE 1 ID X 2.25
808-150C SPKT 40C23 X 7/8 HEX BORE
120-263D SPACER TUBE 1 ID X 2 13/16
75. At each pivot bearing , remove and save three
sets:
803-020C NUT HEX 1/2-13 PLT
804-015C WASHER LOCK SPRING 1/2 PLT
802-082C HHCS 1/2-13X1 3/4 GR5
then remove the bearing assemblies:
120-269S 3 BOLT PIVOT BRG ASSY
76. Insert the unpinned end of the shaft , with
machine washers still in place, into the external
side of a bearing . Place the medium length
(5.7cm, 2.25in) spacer onto the unpinned end
of the shaft.
Null4:
Figure 44
Ground Drive Arm Completed
Q0031
277
277
Null4:
Figure 45
Ground Drive Without Arm
Q0032
107
4
349
164
179
178
103 105
348
104
264
310
286
4
107 349
164
349
179
348
103 105
178
318
318
105
348
103
104
286
310
264
104
178
178
104
105