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77
640 & 650 Series Transmission Assembly
Ref. Part Number
Description
1.
1918377
Cover Housing
2.
619-04013
Transmission Housing
3.
710-04048
Hex Head Flange Screw
4.
710-04049
Hex Head Flange Screw
5.
710-3008
Hex Screw
6.
711-04078
Tiller Shaft
7.
711-04486
Wheel Shaft
8.
711-04882
Drive Shaft
9.
714-04059
Hi-Pro Key
10.
716-04102
Retaining Ring
11.
716-04104
Retaining Ring
12.
717-04380
Worm Gear, 61T
13.
717-04381
Worm Gear, 30T
14.
718-04008
Rear Bearing Cover
15.
721-04030
Oil Seal, .75 x 1.783
16.
721-04031
Oil Seal, 1.0 x 1.499
17.
721-04036
Oil Seal, 1.0 x 1.5
18.
721-04229
Gear Housing Gasket
19.
736-0119
Lock Washer
20.
736-04309
Flat Washer, 1.375 x 1.015 x .062*
—
736-04308
Flat Washer, 1.5 x 1.75 x .01*
—
736-04307
Flat Washer, 1.5 x 1.75 x .03*
—
736-04306
Flat Washer, 1.5 x 1.75 x .005*
—
736-04305
Flat Washer, 1.5 x 1.75 x .062*
—
736-04304
Flat Washer, 1.25 x .75 x .06*
—
736-04260
Flat Washer, 1.015 x 1.375 x .03*
—
736-04259
Flat Washer, 1.015 x 1.375 x .015*
—
736-04258
Flat Washer, 1.015 x 1.375 x .01*
—
736-04257
Flat Washer, 1.015 x 1.375 x .005*
21.
736-04310
Flat Washer, 1.015 x 1.234 x .062
22.
737-04202
Pipe Plug
23.
741-04298
Cone Bearing
24.
741-04299
Cup Bearing
25.
741-04300
Bushing, 1.005 x 1.25 x 1.5
26.
786-04359
Transmission Cover
27.
GW-1104
Woodruff Key, .25 x 1.12
* — The flat washers listed are used as required to obtain .005 to
.030 in allowable end play on the wheel shaft and tine shaft and
a .005 to .015 in end play on the drive shaft.