O'Hanlon has missed recent home friendlies with Burnley and Bolton due to a knee injury and will play no part, while the versatile Robson could return to contention.
Cumbrians boss Greg Abbott is likely to hand competitive debuts to summer signings David Amoo, released by Tranmere, Reece James, on loan from Manchester United, former St Mirren striker Lewis Guy and midfielder Josh Gillies, signed from Gateshead.
Abbott, who has no other injury or suspension problems, is expected to play young midfielder Brad Potts at right-back following the summer departure of Frank Simek.
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- Manchester United