D
E
A
B
B
C
E
N
REPLACEMENT OF
BACK - ONE SIZE TO
ANOTHER
Loosen the two bolts (A)
Remove the two cross-point screws (B)
Remove the six bolts (C)
Remove the cover plate
Remove the back stop device (D) (only size
1+2+3). Pull up the back plate (E) and remove.
Replace the desired back plate (E) and push it
all the way down.
Remount the back stop device (D) (only size
1+2+3).
Remount the cover plate.
Fasten the 6 bolts (C)
Remount the two cross-point screws (B).
Fasten the two bolts (A).
Finally check that the back moves smoothly up
and down.
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