MTD 551 Operator's Manual page 16

Model550 And551Spindle Assembly
27
18
16
10
/
19
2O
23
1/ "%
11 /
14
5
25
!
28
V-BELTS are specially designed to engage and
disengage safely. A substitute (non-OEM) V-Belt
can be dangerous by not disengaging completely.
REF.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PART
NO.
687-02019
710-0395
710-0599
710-1143A
712-3004A
712-3027
DESCRIPTION
Blade Plate Assembly
Hex Screw, 5/16-18
Self-tapping Screw, 1/4-20
Hex Screw, 5/8-18
Hex Lock Nut, 5/16-18
Hex Flange Nut, 1/4-20
REF. PART
NO. NO.
17 736-3090
18 737-3000
19 738-04025
20 741-0524
21 747-04110
22 736-04088
DESCRIPTION
Fiat Washer,.260 x.72
Lube Fitting, 3/16
Pin, 1/4-20
Bearing,.625 ID x 1.57 OD
Blade Adjustment Rod
Spacer.635 ID x.88 OD
712-3056
714-3010
718-04012
731-04158
731-04207
732-04169
732-0188A
736-0119
736-0302
736-0317
Jam Nut, 5/8-18
Cotter Pin
Bearing Cup
Blade Guard
Bearing Block
Compression Spring
Double Torsion Spring
Lock Washer
Flat Washer,.632 ID,.943 OD
Bell Washer,.63 ID x 1.20D
23 750-04105
24 750-0547
25 754-0465
26 756-0449
27 781-0080
28 781-0427
29 787-01081
30 736-04088t
31 781-07487
l-If so equipped
Spacer,.63 x 1.12 x 1.06
Spacer,.632 ID x.875 OD
Belt
Sheave
Blade
Spindle Belt Guard
Index Bracket
Flat Washer
Tri Star Blade
16