I feel sure if you contact Coachman Industries direct in Indiana, they should be able to help you. They have been manufacturing motorhomes since 1964 and for sure they must have copies of Owners Manuals if only photocopies.
Why not write to them with the model number at their mailing address:
PO Box 30
Middlebury, IN 46540.
Why not write to them with the model number at their mailing address:
PO Box 30
Middlebury, IN 46540.