Open this PDF service manual :
it will open faster if you save it to your HD.
Go to PDF page 38, figure 7 Bed Complete.
Is the rear of the yoke index 3 broken? Yes or No.
Is Index 20 B and /or C , guide-case, left and right broken? Yes or No.
Is Guide, bed Left, index 1, or Guide, bed Right, Index 8 missing or damaged?
Are Block-bed left and right index 10 & 11 good as best as you can tell?