Great Plains 3S-3000HD Assembly Instructions - Manual (Page 13)

Great Plains Mfg., Inc.
Installation Instructions 13
03/24/2009 118-253M
72. At the right hand clutch , loosen an idler , and
lift chain off clutch sprocket .
!
CAUTION
The pin removed in the next step is under lateral spring tension
from the clutch assembly. The shaft will jump to the right about
1 ⁄
2
in (13mm) as the pin or punch is withdrawn.
73. At the left side of the bearing support weldment ,
drive one:
805-180C PIN ROLL 1/4 X 1 1/2 LG PLT
out of input shaft:
195-186D POWER SHAFT 7/8 HEX RH INPUT
This pin is not re-used.
74. Slide the shaft right far enough to remove the
clutch assembly from the shaft. Support the shaft so
that it does not fall from the drill. Set the clutch
assembly sprocket-up on a workbench.
75. Remove three (3) sets:
802-551C HHCS 1/4-20X2 1/4 GR5
804-006C WASHER LOCK SPRING 1/4 PLT
805-180C PIN ROLL 1/4 X 1 1/2 LG PLT
These parts are not re-used.
76. Remove the hex bore adaptor (part number var-
ies). Save the sprocket. It may be left on the clutch.
Refer to Figure 22
77. If the existing:
808-240C SPKT 40A23X1.813-1.818 BR/6HOL
has come off, place it back on the clutch .
78. Select one new:
195-161H SPKT CLUTCH 40B23T HEX BORE
PLace the sprocket onto the clutch assembly, with
the large raised hub side, with circular bore, facing
down, and smaller side with hex bore facing up.
79. Select three (3) sets new:
802-551C HHCS 1/4-20X2 1/4 GR5
804-006C WASHER LOCK SPRING 1/4 PLT
805-180C PIN ROLL 1/4 X 1 1/2 LG PLT
Loosely screw a bolt with lock washer
through both sprockets and into the threaded holes
of the clutch face (every second hole). Drive roll
pins
into alternate holes (not threaded at clutch).
Tighten bolts to torque spec. Compress the spring
and park the spring cup in the shaft groove.
Figure 21
Remove RH Clutch
21631
1
77
U
D
F
B
L
R
91
4
73
2
3
93
5
84
87
91
73 2
3 93
4
91
77
77
84
87
91
5
Figure 22
Rebuild RH Clutch
16452
93
73
24
37
44
49
93
73
24
37
44
49
37 44
49