Great Plains 3S-3000HD Assembly Instructions - Manual (Page 15)

Great Plains Mfg., Inc.
Installation Instructions 15
03/24/2009 118-253M
Install Jackshaft Bearings
(all sections)
Refer to Figure 25 (which depicts the left wing - the center
section and right wing installation is similar)
Below where a clutch was updated, and where a
sprocket was added to the center section, there is a sin-
gle idler slot below the new sprocket, and a bearing cut-
out below that.
87. Select three (3) new:
822-119C BRG 7/8HEXX2.05OD SPH
and six (6) new:
822-032C FLANGETTE 52 MST
Insert each bearing in between flangettes .
88. Select six (6) sets new:
802-282C RHSNB 5/16-18X1 GR5
804-009C WASHER LOCK SPRING 5/16 PLT
803-008C NUT HEX 5/16-18 PLT
Mount each bearing assembly on the left side of
each weldment. Thread nuts on only to finger tight.
89. Select three (3) sets new:
802-099C HHCS 1/2-13X3 1/4 GR5
817-025C NO. 40 12T IDLER SPKT.
804-015C WASHER LOCK SPRING 1/2 PLT
and six (6) new:
804-113C WASHER FLAT 1/2 USS HARD PLT
803-036C NUT HEX JAM 1/2-13 PLT
Assemble and install idler in the forward idler slot of
each weldment right side.
Install Auxiliary Jackshafts
(all sections)
Refer to Figure 26 (which depicts the left wing - the center
section and right wing installation is similar)
90. Select three (3) new:
195-211D HEX SHAFT 7/8, AUXILIARY POWER
Insert the shaft into the new bearings. Rotate the
shaft to assure bearing alignment, then tighten the
flangette nuts and bolts to torque spec. Slide shaft
until all four shaft pinning holes are outside the
bearings (left holes to left of left bearing, right holes
to right of right bearing).
91. Select six (6) new:
805-180C PIN ROLL 1/4 X 1 1/2 LG PLT
Drive the pins into the inside (second from end)
holes at each bearing.
Figure 25
Jackshaft Input End
21628
U
D
F
B
L
R
58
56
56
48
42
46
45
38
35
48
42
54
33
58
56
58 56
35
45
38
33
54
46
48
42
Figure 26
Install Auxiliary Jackshaft
20096
25
49
49
25
49