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Old 04-14-2022, 12:09 PM   #1
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Hydraulic Valve Assembly

hey everyone
Bear with me, I am new to RVing and new to these kinds of forums. my wife and I recently purchased a 2001 Coachman Mirada. Went in kind of blind honestly. Everything appeared to function when we were looking at it and that was good enough for us. Ive had it parked in my yard with jacks down for a few weeks now while Ive been doing some work on it. I went to take it to inspection this morning though and the front left jack would not retract. the manual says the pump/valve assembly has some T handles i could turn to manually retract the jacks. I cannot locate the t handles though. I found the pump and reservoir but no T handles. I did manage to force the jack up so i could drive the thing and I`m aware it will need real service at this point. I just want to find those damn T handles lol. any help/suggestions would be awesome. thank you
steve
also as I said I am new to this type of forum so if I am posting this in the wrong area or theres something more specific I need to find I am down for those details as well. thanks again
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Old 04-14-2022, 01:44 PM   #2
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This sounds like you have an HWH leveling system ; The T handles are at the rear of the jack control solenoids , if you were able to force the jack up ( system activated I presume ) then turning the T handles wouldn't have helped .
The T handles are for solenoid failure ; what you have is a jack issue .

Many times a slow jack can be helped with a good cleaning of the shaft and/or spring replacement .
Attached Files
File Type: pdf HWH jack maintenance.pdf (16.1 KB, 12 views)
File Type: pdf HWH jack & spring info.pdf (8.6 KB, 10 views)
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Old 04-14-2022, 10:02 PM   #3
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Not to hijack the jack thread but he may wondering what is in diagram as well. In diagram ,I was what the heck is actuator and roller???? I guess it's on kick down jacks. The rest of kick down parts are not drawn. I now see there are rigid ,kick down and pivoting jacks. Do MHs ever have kick down jacks ? Most I see are rigid, maybe some are pivoting. I suppose kick down jack would be for something with low to ground floor, so not a Class A.
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Old 04-14-2022, 10:14 PM   #4
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Quote:
Originally Posted by 153stars View Post
Not to hijack the jack thread but he may wondering what is in diagram as well. In diagram ,I was what the heck is actuator and roller???? I guess it's on kick down jacks. The rest of kick down parts are not drawn. I now see there are rigid ,kick down and pivoting jacks. Do MHs ever have kick down jacks ? Most I see are rigid, maybe some are pivoting. I suppose kick down jack would be for something with low to ground floor, so not a Class A.
Correct . kick down jacks used on low ground clearance coaches .
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