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03-22-2013, 01:42 PM
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#1
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Senior Member
Tiffin Owners Club
Join Date: Jan 2012
Posts: 105
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HWH hydraulic fluid checks/2004 Allegro
Hi,
I've had a chronic, intermittent issue with my alarm going off when driving in temps ~70° and higher--and HWH panel indicating my front jacks aredtopping dropping. On the last occasion, after the dealer had changed out the circuit board, springs & sensors, the alarm went off while driving---~70° outside---for ~30 minutes, or so, until I hit a cool, shaded spot along a lake---after ~10 minutes of "cool" and reduced speed, the alarm shut off. Then I hit the cool weather coast and it was fine.
1. Does anyone know where the reservoir is located to check hydraulic fluid levels?
2. Does anyone know if the hydraulic fluid system for the jacks & slides is separate from the engine cooling system.
3. Any other ideas welcome.
Thank you!
Ms. Teal Star
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03-22-2013, 02:27 PM
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#2
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Senior Member
Join Date: Nov 2009
Location: Warren, Oregon
Posts: 2,560
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Quote:
Originally Posted by tealstar
Hi,
I've had a chronic, intermittent issue with my alarm going off when driving in temps ~70° and higher--and HWH panel indicating my front jacks aredtopping dropping. On the last occasion, after the dealer had changed out the circuit board, springs & sensors, the alarm went off while driving---~70° outside---for ~30 minutes, or so, until I hit a cool, shaded spot along a lake---after ~10 minutes of "cool" and reduced speed, the alarm shut off. Then I hit the cool weather coast and it was fine.
1. Does anyone know where the reservoir is located to check hydraulic fluid levels?
The tank must be black and when checking all jacks must be up that way all the oil is back to the tank. It should have a cap you unscrew and should have a dip stick on it. Should take something like Dextron3 ATF or AW 32 hyd oil.
2. Does anyone know if the hydraulic fluid system for the jacks & slides is separate from the engine cooling system.
The cooling system has nothing to do with your hyd system, 2 different systems.
3. Any other ideas welcome.
I have air leveling but I do have a hyd system that runs the steering and hyd fan. You may need to change the filters in the hyd tank when you find it.
Thank you!
Ms. Teal Star
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1. Does anyone know where the reservoir is located to check hydraulic fluid levels?
The tank must be black and when checking all jacks must be up that way all the oil is back to the tank. It should have a cap you unscrew and should have a dip stick on it. Should take something like Dextron3 ATF or AW 32 hyd oil.
2. Does anyone know if the hydraulic fluid system for the jacks & slides is separate from the engine cooling system.
The cooling system has nothing to do with your hyd system, 2 different systems.
3. Any other ideas welcome.
I have air leveling but I do have a hyd system that runs the steering and hyd fan. You may need to change the filters in the hyd tank when you find it.
2 stroker
__________________
2006 Country Coach Inspire 360 40ft Genoa Designer Series, Samsung 197 RR
Cat C9--STEEL & COPPER Bolt Together Radiator w/ updated rubber mounting
SilverLeaf 330 Magnum 2812 PSW 2011 Ford Edge Sport-Air Force One
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03-31-2013, 05:49 PM
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#3
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Junior Member
Join Date: Mar 2013
Posts: 28
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Quote:
Originally Posted by tealstar
Hi,
I've had a chronic, intermittent issue with my alarm going off when driving in temps ~70° and higher--and HWH panel indicating my front jacks aredtopping dropping. On the last occasion, after the dealer had changed out the circuit board, springs & sensors, the alarm went off while driving---~70° outside---for ~30 minutes, or so, until I hit a cool, shaded spot along a lake---after ~10 minutes of "cool" and reduced speed, the alarm shut off. Then I hit the cool weather coast and it was fine.
1. Does anyone know where the reservoir is located to check hydraulic fluid levels?
2. Does anyone know if the hydraulic fluid system for the jacks & slides is separate from the engine cooling system.
3. Any other ideas welcome.
Thank you!
Ms. Teal Star
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I'm in a Winnebago so may be different. Still HWH. My hydraulic system has jacks and slides together with pump/valves/reservoir all together on the driver side mid coach. I would suggest that looking for an assembly with several pipes would be a good start. As big as a bread box... give or take.
__________________
2001 Winnebago Journey 36'
2008 Ford Ranger (toad)
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03-31-2013, 06:00 PM
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#4
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 34,181
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Brother in laws Tiffin had similar issues, hot temps,jack warning, stop and cycle the jack stowing procedure, and on and on. He had health issues and sold before we figured it out. Fluid level was not the problem.
However weak return springs on the jacks just might be.
Recent post on the cost of springs , with pictures, I'll track it down and direct you to it.
DTW. Any time I'm not sure of where the pump & resivoir are on a unit , I have some one run the pump and track it down by the noise . HWH, pump is attached to the resivoir.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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04-01-2013, 12:33 AM
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#5
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 34,181
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Found, the other post,
Go to .. Newmar Owners forum.. look for.. HWH Spring Replacement .. by Tyka, and check post #2 by Max Hubrich he had a similar problem to yours.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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