Siemens SB Series Information And Instruction Manual page 28

Internal Accessories
Preliminary I nstallation Proced ures
Remove the breaker cover by first removing the (4) # 1 0
Phillips head screws at the corners and the (4) Phillips
3.)
head screws in recesses in cover.
W'
Remove the trip unit, if installed , by removing trip unit
retaining screw.
5 . )
6a.) Slide the trip unit up to clear the support bracket pins.
b ) Remove the trip unit by pulling the trip unit away from the
4.) Remove cover.
trip unit plug.
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