seagrave front bumper discharge

Joined
Dec 17, 2011
Messages
15
What is the black post or handle immediately next to the front bumper discharge, usually a gated wye configuration, on the new(er) Seagrave pumps and squads?  I thought it may be to keep it from swiveling too far, but there isn't one on the other side.  Any chauffeurs here?
 
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