MTD 668 Lawn Mower User Manual


 
9
Models 660 – 688
REF.
NO.
PART
NO. DESCRIPTION
1 17198A Retainer Gear Segment Plate
2 683-0002A Pivot Bar, .625
3 710-0514 Hex Cap Screw, 3/8-16 x 1.0
4 710-0643 Hex Cap Screw, 5/16-18 x 1.0
5 710-0726 Self-tapping Screw, 5/16-12 x .75
6 710-0805 Hex Cap Screw, 5/16-18 x 1.5
7 710-1309 Machine Screw, 5/16-18 x .75
8 712-0240 Jam Nut, 7/16-20 (Grade 2)
9 712-0262 Jam Nut, 3/8-24
10 712-0431 Flange Lock Nut, 3/8-16
11 712-3004A Flange Lock Nut, 5/16-18
12 714-0470 Cotter Pin, 1/8 x 1.25
13 717-1757A Stearing Segment Gear
14 723-0448A Ball Joint, 7/16 -20
15 726-0214 Push Cap, .625
16 731-04057A Axle End Cap, Standard
17 736-0187 Flat Washer, .64 x 1.24 x .060
18 731-2290A Deluxe Hub Cap
19 736-0242 Bell Washer, .34 x .872 x .060
20 736-0356 Bell Washer, .391 x .380 x .062
21 731-04039 Steering Wheel Cap, Small
731-04040 Steering Wheel Cap w/ Sprig, Small
22 738-0141 Shoulder Screw, .435 x .350, 5/16-18
23 738-0527 Shoulder Screw, .498 x 2.045
24 738-0919 Steering Shaft, 21.86
25 741-0475 Plastic Bushing, .38 ID
NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment.
26 741-0487A Flange Bushing, .632 ID
27 741-0656 Hex Flange Bearing, 5/8
28 747-04008 Tie Rod, Non-adjustable
29 747-1268B Steering Drag Link, 7/16-20
30 748-0389 Cap, 1.25 x .16
31 748-04014B Steering Arm
32 748-04020 Spacer, 1.0 x .645 x .56
33 750-0535 Spacer, .380 x .625 x .21
34 783-0041D Pivot Bar Bracket
35 631-04028 Steering Wheel, Three Spoke
631-04008 Steering Wheel, Three Spoke Soft Grip
36 731-04058 Axle End Cap, w/ Fitting
37 731-04064 Steering Wheel Cap, Large
731-04065 Steering Wheel Cap w/ Sprig, Large
38 634-0056A Round Shoulder Wheel Ass’y Complete
634-0105A Square Shoulder Wheel Ass’y Complete
634-0115 Square Shoulder Wheel Ass’y Complete
39 683-04016 RH Axle Assembly
683-04015 LH Axle Assembly
683-04014 RH Axle Ass’y (models with 46-in Deck)
683-04013 LH Axle Ass’y (models with 46-in Deck)
40 731-0484A Hub Cap
41 736-0162 Flat Washer, .64 x 1.0 x .12
42 736-0285 Flat Washer, .635 x 1.589 x .06
43 747-04057 Tie Rod, Adjustable
44 711-04059 Ferrule, 3/8-24 x .437 Dia
REF.
NO.
PART
NO. DESCRIPTION
Wheel Ass’y
Complete
Rim Assembly Inner Bearing Outer Bearing Tire Only Air Valve
Round Shoulder 634-0056A 634-0172 741-0706
(Flange w/ Fitting)
741-0487A
(Plastic Flange)
734-0864
(15 x 6 x 6)
734-0255
Square Shoulder 634-0105A 634-0172 741-0706
(Flange w/ Fitting)
741-0487A
(Plastic Flange)
734-1731
(15 x 6 x 6)
734-0255
Square Shoulder 634-0115 634-0051 741-0569
(Ball Bearing)
741-0569
(Ball Bearing)
734-1731
(15 x 6 x 6)
734-0255
Round ShoulderSquare Shoulder