MTD 550 Operator's Manual page 15

Model520 Spindle Assembly
29t L[17
7
11
18
10
19
21
V-BELTS are specially designed to engage and
disengage safely. A substitute (non-OEM) V-Belt
can be dangerous by not disengaging completely.
REE PART
NO. NO.
1 687-02019
2 710-0395
3 710-0599
4 710-1143A
5 711-1017
6 712-3004A
7 712-3027
8 712-3056
9 714-0104
10 718-04012
11 731-04158
12 731-04207
13 732-04169
14 736-0119
15 736-0187
DESCRIPTION
Blade Plate Assembly
Hex Screw, 5/16-18
Self-tapping Screw, 1/4-20
Hex Screw, 5/8-18
Clevis Pin
Hex Lock Nut, 5/16-18
Hex Flange Nut, 1/4-20
Jam Nut, 5/8-18
Cotter Pin
Bearing Cup
Blade Guard
Bearing Block
Compression Spring
Lock Washer
Flat Washer
REF. PART
NO. NO.
16 736-0317
17 736-3090
18 738-04025
19 741-0524
20 736-04088
21 750-04105
22 750-0547
23 754-04032
24 756-0449
25 781-0080
26 781-0427
27 787-01075
28 736-04088t
29 781-0748t
tlf so equipped
DESCRIPTION
Bell Washer,.63 ID x 1.20D
Flat Washer,.260 x.72
Pin, 1/4-20
Bearing,.625 ID x 1.57 OD
Flat Washer
Spacer.63 x 1.12x 1.06
Spacer,.632 ID x.875 OD
Belt
Sheave
Blade
Belt Guard
Cover Plate
Flat Washer
Tri Star Blade
15