On all slides I have see so far the manual system is for when the motor stops working... I don't think that will help you.. but you can try ... you need to know where your motor is .. there is a slot in the motor to put your ratchet and manually crank
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
140 days boondocking in 2016
211/2015, 196/14, 247/13, 193/12