page 33 from manual: See #4 (cannot get it to bold)
Manual Operation of the Slide out Mechanism
1. It is necessary to disconnect 12 volt power from the slide out motor. The
12 volt power can be disconnect by turning the disconnect switch to the off
position or by disconnecting the battery cables from the batteries
2. Be certain that the RV is leveled properly and that there is plenty of clearance
for your room to safely extend or retract.
3. Remove any other potential obstructions to room movement.
4. Locate the slide out system motor, which will be on the closest ram
towards the front of your trailer.
Locate the manual override hex nut. (On back of slide motor).
6. Utilize a 5/8 socket to turn manual override.