MTD 550 Operator's Manual page 17

Model520 WheelAssembly
(Frame shown for referenc_
/"
3
3
\
8
\
\
6
\
\
\
9
/
/
10
,8
REF.
NO.
1
2
3
4
5
6
7
8
9
10
PART
NO.
712-0431
732-04045
734-1987
734-1988
738-04037
738-04038
738-04039
750-0289
750-04129
787-01074
DESCRIPTION
Flange Lock Nut, 3/8-16
Torsion Spring
Wheel 8xl .8
Wheel 7xl .8
Shoulder Screw,.50 x 9.36, 3/8-16
Shoulder Screw,.50 x 12.90, 3/8-16
Shoulder Screw,.50 x 3.19, 3/8-16
Spacer,.510 ID x.875 OD
Spacer,.525 x.775
Wheel Bracket
17