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Thread: Jacks
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Old 12-13-2020, 11:43 AM   #10
Jimbo56
Senior Member
 
Brand: Thor Motor Coach
Model: Freedom Traveller A27
State: North Carolina
Posts: 2,407
THOR #17765
Quote:
Originally Posted by Beau388 View Post
All the jacks are plumbed to one valve which supplies fluid for all jacks to stow when retraction is commanded. During the retraction sequence when the pressure reaches 300 psi, the systems knows the jacks are retracted and shuts down. If hold-up valve leaks enough, the jack with the least internal resistance will come down first. If the pressure in the return line is less than 250 psi, the emergency retract system will start if the coach's parking brake is released. If there are big ambient temperature swings while my coach is parked for 60 days or more, the left front jack will drift down about 4 inches.
So, other than just a visual check, should I stomp on the retract button, just in case , before rolling out?
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