Part #20-139
The manufacturer no longer makes this part, and there's no substitute part
Vertical track diagram
Part #20-161
The manufacturer no longer makes this part, and there's no substitute part
Extension spring diagram
Part #20-126
The manufacturer no longer makes this part, and there's no substitute part
Roller guide diagram
Part #20-112
The manufacturer no longer makes this part, and there's no substitute part
Tracks diagram
Part #20-115-D
The manufacturer no longer makes this part, and there's no substitute part
Tracks diagram
Part #20-101-01
The manufacturer no longer makes this part, and there's no substitute part
T handle lock diagram
Part #20-147
The manufacturer no longer makes this part, and there's no substitute part
Extension spring diagram
Part #20-124-D
The manufacturer no longer makes this part, and there's no substitute part
Part #20-143
The manufacturer no longer makes this part, and there's no substitute part
Tracks diagram
Part #20-103-01
The manufacturer no longer makes this part, and there's no substitute part