MTD 668 Lawn Mower User Manual


 
21
Models 660 – 688
REF.
NO.
PART
NO. DESCRIPTION
1 17116 Deck Brake Assembly
2 17258D RH Belt Cover
3 618-0240A Spindle Assembly, 5.0 Dia.
756-1187 Pulley Only
4 683-04133 46-inch Deck Shell
5 710-0514 Hex Cap Screw, 3/8-16 x 1.0
6 710-0520 Hex Cap Screw, 1/4-20 x 1.5
7 710-0599 Self-tapping Screw, 1/4-20 x .5
8 726-0233 Push Nut, 1/4
9 710-1260A Screw, 5/16-18 x .75
10 710-3144 Hex Cap Screw, 3/8-16 x 2.0
11 710-3151 Hex Cap Screw, 5/8-18 x .875
12 731-1032 Discharge Chute Assembly
13 736-0173 Flat Washer, 28 X .74 X .063
14 712-0337 Hex Nut, 5/8-18
15 712-0417A Hex Flange Nut, 5/8-18
16 712-0431 Flange Lock Nut, 3/8-16
17 710-0751 Hex Cap Screw:1/4-20 x .620
18 714-04023 Internal Cotter Pin, .080 x 1.56
19 716-3020 Internal Retaining Ring
20 736-0270 Bell Washer, .265 x .75 x .062
21 731-1490 Slide Cap
22 732-04047 Extension Spring, .788 x 15.5
23 732-0594A Extension Spring, .91 x 7.33
24 734-0973 Deck Wheel, 5 x 1.38
25 736-0158 Lock Washer, 5/8
26 736-0290 Flat Washer, 5/8
27 736-3088 Flat Washer, 1.585 x .635 x .062
28 738-0347 Shoulder Spacer, .625 x 1.16
29 738-0373 Shoulder Screw, .498 x 1.53
30 741-0524 Bearing, .625 x 1.574 x .470
31 742-0611A Three-in-one Blade, Star Center, 16.28"
32 742-0612A Three-in-one Blade, Star Center, 14.88"
33 747-04018A Deck Hanger Link/Anti-sway Rod
34 748-0234 Shoulder Spacer
35 750-0932A Spacer, .635 x .88 x 1.72
36 750-0960A Spacer, .635 x 1.25 x .445
37 754-0439 PTO Belt (Upper Deck Belt)
38 754-0440 Deck Belt (Lower Deck Belt)
39 756-0627B Idler Pulley, 3.5
40 756-0638 Double Pulley, 5.0
41 712-3006 Hex Nut, 1/4-20
42 783-0046 Idler Bracket
43 783-0063A LH Belt Cover
44 783-0141 Deck Skirt, Center
45 783-0142 Deck Skirt, Right-hand
46 710-0578 Screw, 1/4-20 x 1.5
47 731-1636 Mulch Plug
48 712-3087 Wing Nut, 1/4-20
REF.
NO.
PART
NO. DESCRIPTION
IMPORTANT:
For a proper
working machine, use
Factory Approved Parts.
V-belts are designed to
engage and disengage
safely. A substitute (non
OEM) V-belt can be
dangerous by not
disengaging completely.
NOTE: Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard equipment.