Slow Landing Gear:
1) Low Battery Voltage
2) Bad Ground
3) Lack of Lubrication on Jack Screws and Pinion Gear
Also different manufacturers and models have different gear ratios depending on intended use. Landing Gear on larger campers have to lift more weight than on lighter ones and need more "turns" for a given length of travel for strength. More course the thread the faster; more fine the slower lift for a given motor speed.
Lou and Laura with Bella the German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - 5th Wheel Pullrite Superglide 3300
(2009: 28) (2010: 74) (2011: 93) (2012: 31) (2013: 101) (2014: 30) (2015: ?)
I've learned that pleasing everyone is impossible, but ticking everyone off is a piece of cake.