Cub Cadet Challenger 550 - Primary Sheave

4‐22
Engine
Primary Sheave
No.
Part Name
Qty
Remarks
Disassembly of the Primary Sheave
Remove the parts in the order
listed
1
Primary pulley sheave cap
1
2
Primary pulley slider
4
3
Spacer
4
4
Primary pulley cam
1
5
Primary pulley weight
8
6
Collar
1
7
Oil seal
2
8
Primary sliding sheave
1
For installation, reverse the order
9
O-ring
1
listed