York B500 Owner's Manual page 9

Step 3
24 x 1
31 x 2
21 x 1
30 x 4
32 x 2
IMPORTANT
H.B. The off entre hole
should be towards the top.
Fit the carriage bolt
in the square hole
either side.
31
30
21
30
32
16
6
24
5
16
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The nylon lock nuts
must be tightened so
that the bolt penetrates
through the nylon
insert in the nut and
the nut locks up
against the tubing
31
30
32
30
40
9