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21
Model H660G
REF.
NO.
PART
NO. DESCRIPTION
1 710-1652 Self-tapping Screw, 1/4-20 x.625
2 784-5688 Drive Cable Guide Bracket
3 784-5687A Auger Clutch Cable Bracket
4 756-0625 Cable Roller
5 738-0924 Hex Screw 1/4-28
6 784-5630B Frame Assembly
7 741-0563 Ball Bearing
8 736-0105 Bell Washer
9 712-0116 Lock Jam Nut
10 741-04026 Hex Flange Bearing
11 736-0188 Flat Washer†
12 784-5689A Front Support Guide Bracket
13 710-0538 Lock Hex Screw
14 736-0242 Bell Washer.340 ID x.872 OD
15 714-0474 Cotter Pin
16 736-0160 Flat Washer.536 ID x.930 OD
17 710-0809 Self-tapping Screw, 1/4-20 x 1.25
18 784-5590 Frame Shift Bracket
19 784-5638A Frame Cover
20 716-0102 Snap Ring
21 736-0351 Flat Washer.760 ID x.50 OD
22 717-1445 80 Tooth Gear
23 714-0126 Key
24 717-04094 7-Tooth Shaft
25 715-0249 Roll Pin
26 714-0143 Klik Pin
27 684-0042C Friction Wheel Assembly
28 656-0012A Friction Disc Wheel
29 684-0013B Wheel Shift Rod Assembly
30 710-0599 Self-tapping Screw, 1/4-20 x.5
31 748-0190 Spacer
32 684-0021 Friction Wheel Bracket Assembly
33 732-0264 Extension Spring
34 712-0711 Jam Nut 3/8-24
35 746-0898B Drive Cable
36 738-0830 Axle 16” Wheels
37 790-00010 Friction Plate
38 735-0243B Friction Wheel Rubber
39 718-0301A Friction Wheel Hub
40 618-0063A Friction Wheel Bearing Assembly
41 711-1364 Clevis Pin, 1/4 x 1.3725
42 736-0142 Flat Washer,.281 x.5 x.063
43 714-0507 Cotter Pin,.75
44 712-0703A Insert Nut, 5/16-18
45 790-00011 Friction Plate
46 734-1712A Wheel Assembly Comp. 16 x 6.5
47 731-04043 Spacer
48 734-1525 Tire Only
723-0430 Tire Chain (Not Shown)
49 734-0255 Air Valve
50 734-1711A Rim Only
51 741-0401 Sleeve Bearing
REF.
NO.
PART
NO. DESCRIPTION
† Use more than one washer on either side, only if necessary to reduce axle-play.
2
12
4
6
7
10
9
14
11
8
16
1
3
15
5
13
3
17
REF.
NO.
PART
NO. DESCRIPTION
1 618-0123 RH Reducer Housing
2 618-0124 LH Reducer Housing
3 710-0642 Hex Screw 1/4-20 x.75
4 711-0910A Spiral Axle 28"
5 714-0161 Key
6 715-0143 Spiral Pin
7 717-0528 Worm Gear, 20T
8 717-0526 Worm Shaft
9 718-0186 Thrust Collar
10 721-0325 Grease Plug
11 721-0327 Grease Seal
12 736-0351 Flat Washer.76 x 1.5 x.030
13 736-0369 Flat Washer.508 x 1.0 x.020
14 736-0445 Flat Washer.76 x 1.5 x.060
15 741-0662 Flange Bearing.75 x 1.0 x.59
16 741-0663 Flange Bearing.75 x 1.0 x.925
17 618-0122A Gearbox Ass’y. Complete 28"
REF.
NO.
PART
NO. DESCRIPTION
NOTE: When rebuilding a gearbox assembly, include 1.5 oz. of Alvania EP Lead-Free Grease (Part No. 737-0168)