MTD Edger 520 - Model 550;551 Spindle Assembly

16
REF.
NO.
PART
NO. DESCRIPTION
1 687-02019 Blade Plate Assembly
2 710-0395 Hex Screw, 5/16-18
3 710-0599 Self-tapping Screw, 1/4-20
4 710-1143A Hex Screw, 5/8-18
5 712-3004A Hex Lock Nut, 5/16-18
6 712-3027 Hex Flange Nut, 1/4-20
7 712-3056 Jam Nut, 5/8-18
8 714-3010 Cotter Pin
9 718-04012 Bearing Cup
10 731-04158 Blade Guard
11 731-04207 Bearing Block
12 732-04169 Compression Spring
13 732-0188A Double Torsion Spring
14 736-0119 Lock Washer
15 736-0187 Flat Washer
16 736-0317 Bell Washer,.63 ID x 1.2 OD
17 736-3090 Flat Washer,.260 x.72
18 737-3000 Lube Fitting, 3/16
19 738-04025 Pin, 1/4-20
20 741-0524 Bearing,.625 ID x 1.57 OD
21 747-04110 Blade Adjustment Rod
22 736-04088 Spacer.635 ID x.88 OD
23 750-04105 Spacer,.63 x 1.12 x 1.06
24 750-0547 Spacer,.632 ID x.875 OD
25 754-04032 Belt
26 756-0449 Sheave
27 781-0080 Blade
28 781-0427 Spindle Belt Guard
29 787-01081 Index Bracket
30 736-04088† Flat Washer
31 781-0748† Tri Star Blade
REF.
NO.
PART
NO. DESCRIPTION
3
4
28
25
26
23
6
20
9
1
22
24
19
17
10
12
11
14
5
15
17
6
7
16
27
2
30†
31†
V-BELTS are specially designed to engage and
disengage safely. A substitute (non-OEM) V-Belt
can be dangerous by not disengaging completely.
8
29
13
21
18
Model 550 And 551 Spindle Assembly
†If so equipped