Hi and welcome to FRF! It would help if you posted to which brand and model number of Coachmen you have. Coachmen has a number of different Class A brands and model numbers.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package