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quote:Originally posted by dieselguy
Iretired06 ... curiosity is knocking ... what and where are these "valve locks" on each slide? Do you mean the manual shut-offs? The manual shut-offs just block flow to the extend side of each cylinder ... the hoses on the retract side of each cylinder are all tied together. So ... if you have a leaking cylinder seal or a leaking check valve in your pump any slide has the opportunity to work itself out. Our systems work on the principal of least resistance. That's why the smaller slides most always go in and out first because they are easier to move. The level up systems are more complex and do not follow the above layout.
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Not smart enough on the hydraulics to answer your question. I just know multiple dealerships have told me over the years that the reason Montana units do not require slide Locks, (and in years past we used the lock bars on SOBs), was the system was engineered and designed so that valves installed somewhere in the system prevented slide movement and that if you get movement, that is the source of the problem.