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RE: Winnebago HWH Hycraulics

SINCE YOU HAVE THE SOLENOID, REPLACE IT. If it still does not extend check the RF jack fuse. Doug
dougrainer 02/08/23 06:21pm Class A Motorhomes
RE: Winnebago HWH Hycraulics

Does the RF jack FULLY retract? No shiny part visible. THIS IS IMPORTANT Are you using Auto Level? Have you tried to manually extend just the front jacks? IF just extending the front jacks AND both jacks fully extend, then your fluid level would come into question. Doug
dougrainer 02/08/23 02:07pm Class A Motorhomes
RE: Winnebago HWH Hycraulics

https://anyrvparts.com/products/hwh-rap0642-oem-rv-12-volt-2-5-325-series-hydraulic-leveling-jack-solenoid-valve-cylindrical-body-cam-release-replacement-part This link shows what the solenoid looks like. https://www.rvtechlibrary.com/chassis/HydraulicsandHWHSystems.pdf Page 28 shows how to tell which solenoid is which. You look at the solenoids from THEIR side. The center ones are the front jacks the outer ones are the rear jacks. Now, you have changed your statement. You originally stated the RF jack would not operate, then you stated it came down 2 or 3 inches. Which is it? There are NOT 8 solenoids for the jacks. ONLY 4 for the jacks. Which are mounted side by side. If you have other solenoids, then those are for the Slide out rooms 2 solenoids per room. These are mounted on EACH SIDE of the HWH manifold and are BELOW the 4 jack solenoids. IF the jack will NOT retract fully in STORE mode, you need to release the T handle(old 2004 solenoids have these) on all 4 solenoids. Newer oones have the spring loaded release. This will open up all 4 solenoids and see if the jack retracts(all 4). With the manual release open, if one jack(RF) fails to retract, you need to use a pry bar like an 8 foot 2x4 to lever it fully retracted. IFTHIS RETRACTS THIS JACK, The jack cylinder needs replaced/Rebuilt as the inner seals are bad. This is a seperate problem from NOT extending. Now, IF you have the manual solenoid releases open and you operate the pump, all 4 jacks should extend while the pump is running. Have someone observe this while somebody operates the jack pad. It will take a few minutes for all 4 jacks to extend and hit the ground. IF you stop the pump before they extend fully, the jacks will retract(all 4). IF the RF jack extends fully, then the solenoid is the problem. BUT, It can be 2 problems. The fuse for it is blown and sends no signal to open the solenoid. OR, the jack solenoid electrically is bad. A BAD solenoid will sometimes blow its fuse. So, replacing the solenoid is the thing to do since you already have it. Doug
dougrainer 02/08/23 12:00pm Class A Motorhomes
RE: Aqua Hot not igniting on Monaco Dynasty

odds are you had a air bubble in the fuel line between the Filter and the Unit. It does not take long for a unit to cycle off on Diesel. It probably ran just long enough to use the fuel between the Filter and the Aqua Hot. Then setting a month, caused the air bubble to block off fuel. I was going to post previously. I was going to ask if you had a strong smell of Diesel by the exhaust OR you had Diesel dripping out the down pipe elbow for the exhaust. THAT would indicate fuel IS getting to the unit, but the spark is NOT happening. When it failed to start, IT DID time out and the webasto shut down after a few minutes? It should have. I usually have to run a flooded unit up to 1 hour to get rid of ALL accumulated residual diesel to get rid of all white smoke. And NO, the fuel nozzle should not have a problem from a month of inactivity. ALL Aqua Hots, need to be run monthly on Diesel and activate the furnace section also. This keeps the furnace section check valves from sticking. THIS is a usual cause when the Aqua Hot Furnace section is not used for a long time. Doug
dougrainer 02/05/23 11:47am Tech Issues
RE: Defroster workaround

Have you verified the AC system 12 volt VACUMM PUMP is functioning and pulling a vacuum?. ALL Diesels require a 12 volt vacuum pump. This pump supplies the vacuum needed to operate the Dash AC/Heater blend doors. Also, the normal result of NO vacumm is default to defroster ducts. But, you year might be different and requires vacumm to move the doors. Doug PS, this pump is located on the outside firewall and easy to see. They usually look like this link. https://www.summitracing.com/parts/smp-vcp113?seid=srese1&gclid=Cj0KCQiAofieBhDXARIsAHTTldpFMFNWHOg74JvWfxvIMblWfm5xIcmxke9KT_J4zDVIEYja1lJz5ZgaAhU8EALw_wcB Then connects to the reservoir. https://www.amazon.com/Dorman-HELP-47076-Vacuum-Tank/dp/B000COB8FA/ref=asc_df_B000COB8FA/?tag=hyprod-20&linkCode=df0&hvadid=312190333361&hvpos=&hvnetw=g&hvrand=11848653662037997508&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9027230&hvtargid=pla-592635622754&psc=1®ion_id=674469
dougrainer 02/04/23 10:15am Class A Motorhomes
RE: Norcold N611 acting odd, affected by interior coach lights

Jeeez, ALL these posts and at no time, did someone suggest to check the 12 volts at the BACK of the refer. You need to check for 12 volts plus. ALSO, you need to check that your Power Converter is functioning. IF SO, your 12 volt system should show 12.9 to 13.5 volts. Also, ALWAYS post Year, Brand/Model of RV. Do you have Fluorescent interior lights in the RV. The ones that you can turn off and on to cause the refer to malfunction? IF SO, older RV's with Fluorescent lights had what is called AC ripple, from defective Ballasts in the light assbly's. Even tho the lights are 12 volt, defective ballasts can cause AC ripple in the DC system and cause appliances to act up. Respond with answers to these questions and the voltage readings I suggested. Doug
dougrainer 01/30/23 02:14pm Tech Issues
RE: Fuel tank leaks when we fill it

You just joined. ALWAYS post Year,Brand/Model of RV and Diesel or Gas. This helps to get you good answers. There is nothing really on a diesel to prevent overfilling. The Fuel Gauge has nothing to do with filling. You need to observe if you get a small leak when filling and not just when you reach close to full. It may be as simple as a fill hose loose or cracked from age(where the year info helps on answers). Some tanks and gauges the tank does NOT have to be dropped(diesel) if you have a Monaco or Holiday Rambler, to check hoses and fuel gauge sending unit. Doug
dougrainer 01/23/23 12:21pm Class A Motorhomes
RE: Magic Chef Stove identify

Why do you need to know that? Never needed to know after 43 years as an RV Tech. I DO know that residential Magic Chef's used a "series" number. In conjunction with a Model/serial number. Doug
dougrainer 01/21/23 04:07pm Tech Issues
RE: Coleman rooftop a/c

Finally fixed!! After buying a new control board and 2 thermostats it ended up being a $20 temp sensor for the coil which was actually the very first thing i looked at.. i tested both for continuity and neither had it so i ruled it out because 1 unit was working fine. Turns out i needed to ohm it out. The giod one had 11k ohms and the other was 80k ohms.. i swapped them out and then the unit worked.. in hind sight i see why it would let the heat pump come on and not the a/c. 6 hrs of trouble shooting and it was the very first thing i looked at. Oh well hope this helps someone! You said in your first post HP function, the compressor would not come ON. Now you say it worked in HP mode but not in COOL mode. Doug You state TEMP sensor for the coil. Do you mean the FREEZE sensor installed in the evaporator? If so, that part is NOT supplied when replacing a complete upper unit. And yes, that defective part will keep the compressor from running.
dougrainer 01/21/23 10:13am Class A Motorhomes
RE: Need Dometic Door Awning Help

Your manual. VERY small turn adjustments. Doug https://epi.dometic.com/externalassets/dometic-elite-oasis-ii-door-awning-975-_55837.pdf?ref=-1655313268&_gl=1*f5xzym*_ga*MTc0ODY1OTA2OC4xNjczOTE0NDgy*_ga_8HB6BZ1XMT*MTY3MzkxNDQ4Mi4xLjEuMTY3MzkxNDQ4OS4wLjAuMA..
dougrainer 01/16/23 05:16pm Class A Motorhomes
RE: Coleman rooftop a/c

https://www.amazon.com/Coleman-83305191-Room-Sensor/dp/B019QH3QVC/ref=pd_lpo_1?pd_rd_w=vyZv9&content-id=amzn1.sym.116f529c-aa4d-4763-b2b6-4d614ec7dc00&pf_rd_p=116f529c-aa4d-4763-b2b6-4d614ec7dc00&pf_rd_r=P2HX6PHSZS3JNH10AAEV&pd_rd_wg=XePGw&pd_rd_r=86fca2e0-c465-4410-9407-8b92551a3e5c&pd_rd_i=B019QH3QVC&psc=1 It looks like this and can be brown also. It is usually located in the rear bedroom area on the wall. Some OEM's install on the ceiling, but this old of a RV it is probably on the wall or bottom of a bedroom overhead cabinet. Lack of or a bad sensor would not cause the problem he has. Doug
dougrainer 01/16/23 11:31am Class A Motorhomes
RE: Coleman rooftop a/c

Thanks for all of the replies! Im leaning towards it being the tstat and here is why.. zone 2 is the back unit and if i switch to heat pump neither the compressor or the fan comes on. I am plugged into 50 amp ac now btw. If i go to cool, the fan comes on, no compressor. Also i just fired up my LP furnace and zone 1 seems to work perfect. When i try zone 2 on the gas heat it does nothing. I can tell there must be a separate fan for the rear zone because i have vents down low with no air flow coming out.. any feedback is greatly appreciated At this point, you need to access your upper rear AC/HP control board. Check for loose or burnt wiring. You also need to check for 12 volts TO THE REAR FURNACE. The furnace is a separate appliance that is controlled thru the RVP tstat system. Did you replace the upper units or did a shop replace them? Either way, wiring may have been knocked loose when the upper control board was moved out of the way to replace the unit. You can manually SWAP Zone 1 and Zone 2 at the front upper control board to test tstat operation for the rear HP. This link shows the ZC tstat wiring. Doug https://www.airxcel.com/DesktopModules/RvProduct/Pdf/8330b331_8330b335_thermostat.pdf
dougrainer 01/15/23 10:35am Class A Motorhomes
RE: Coleman rooftop a/c

Your system (2005) ENERGY MANAGEMENT SYSTEM - SO AMP Intellitec's Smart Energy Management System - 50 AMP (Smart EMS) is designed to be used in RV s equipped with 50 AMP electrical service. The system senses when the coach is connected to a 50 AMP service or operating from the generator and allows simultaneous operations of all the 120 volt loads. When 50 AMP service is not available and the coach is connected to a smaller electrical service, such as 30 or 20 AMP, the system automatically takes control of the loads to practically eliminate circuit breaker tripping. It constantly monitors the total amount of current drawn in the RV and controls the loads, as necessary, to keep the total current to a value less than, or equal to, the available power service. There is no programming necessary and the unit will work with any load within the circuit breaker limits. The Smart EMS automatically "learns" the amount of current drawn by each of the controlled loads as it turns them on and off. In this way, it automatically adapts to differing loads or loads whose current changes with line voltage or temperature. Features: • Limits total current to 30 AMPs. • Minimizes circuit breaker tripping when connected to 20, or 30 AMP service. • Eliminates manual appliance select switches. • Senses current of owner added loads. • Owner selectable 20 AMP operation from remote panel. • Protects air conditioners with two minute restart delay. • "Learns" controlled appliance current draw Click this link for an in depth explanation. https://intellitec.com/wp-content/uploads/2022/07/53-00894-600-1.pdf
dougrainer 01/14/23 02:43pm Class A Motorhomes
RE: Coleman rooftop a/c

When you do not have 50 amp service, just run your Generator to utilize it. Remember, on your year model, the EMS KNOWS if you are NOT ON 50 amp service and will kick out the bedroom Compressor from running. Your wall EMS display should show that. Doug
dougrainer 01/14/23 02:38pm Class A Motorhomes
RE: burbing fridge

Blockages are as hard as a weld and are attached in the upper coil area and CANNOT be broken loose. So, burping just rearranges the Ammonia temporarily to work a little longer. It works but NOT AS WELL AS BEFORE THE BLOCKAGE. IT WILL FAIL AGAIN. Rebuilders cut out the tubing where the blockage is on blocked units and then weld a new upper tube assbly in place, then charges the cooling unit. THERE IS NO WAY THAT MOBILE TECH FOUND A BLOCKAGE, UNLESS HE STUCK AROUND FOR 2 OR 3 DAYS AND DID VARIOUS TESTS. TEMPORARILY UNBLOCKING A UNIT REQUIRES THE REFER TO BE TURNED UPSIDE DOWN FOR 24 HOURS AND THEN RIGHT SIDE UP FOR 24 HOURS. Then start a cooling process. You could have just had a glitch and if the refer continues to cool (below 38 degrees in the refer and below 10 degrees in the freezer), I would not worry about it. Also, it could have been as simple as the rear cooling fans did not run. Did the Mobile tech checked those? Doug PS, is the refer in a slide room? The tech used a heat measuring gun and found the top tube hot on the left side and it cooled off right in the middle and continued cool the rest of the loop. Seems logical to me that where the heat stopped and the cool begin theres the problem. The fridge is in a slideout. One of the fans was stopped up with mud dobbers nesting on it. Once flipped, it gurgled a few minutes and then we flipped it right side up. powered up and working still. Steady 34 degrees in fridge. Note: we were camped in Davis Mountain State Park and temps got down to single digits a couple of days before it quit working. thanks Mod Edit: fixed the quote AS I stated, NO BLOCKAGE. The fan was the problem. Also, to make the refer operate BETTER, I install an additional 12 volt cooling fan at the upper outside vent door blowing OUT. This is really needed for all slide room installed refers. IF any blockage, you would NOT get 34 degrees. The heat gun showed high temps because with inadequate ventilation the cooling unit overheated slightly. Doug
dougrainer 01/14/23 09:28am Tech Issues
RE: Coleman rooftop a/c

Were the original roof top AC's Heat Pumps? Some Oem's install a Heat Pump in front and a standard AC in the rear. You just joined. ALWAYS list 1. Year Make and Model of RV 2. Brand and model number of appliance you are asking about. It is rare for a RVP(Coleman) top control board to fail. It is also rare for the wall Tstat to fail. Since the new HP does exactly as the old, it points to the control board/wall tstat/WIRING at the tstat or at the connections on the control board. Do you have 2 wall tstats or just 1 that controls both? Do BOTH tstats(if 2) have the same designations on the outer button cover? On Coleman HP's, IF you set the HEAT to more than 5 degrees above the wall setting, the System defaults to the furnace. IF you have 2 furnaces. If just one furnace the front HP will default to furnace. The rear will do nothing except blow air. SO, try setting the rear tstat to just 3 degrees above what the tstat setting is. Doug
dougrainer 01/14/23 09:21am Class A Motorhomes
RE: Refrige operation in cold weather

COLD below 20 degrees affects the operation of the COOLING UNIT ammonia mixture. Turning on the LAT(if installed) does NOT have any affect on extreme cold weather operation. It is best to just install a 40 watt incandescent light bulb in the rear outside of the refer. Of course, this assumes you will be able to plug in to 120 volts while staying in the Hotel. I always advise AGAINST blocking the outside air door intakes. Out of sight and out of mind mentality takes over and if you forget to open up the blocked doors when traveling to warmer climates, you can ruin a cooling unit. Doug
dougrainer 01/14/23 09:12am Class A Motorhomes
RE: burbing fridge

Blockages are as hard as a weld and are attached in the upper coil area and CANNOT be broken loose. So, burping just rearranges the Ammonia temporarily to work a little longer. It works but NOT AS WELL AS BEFORE THE BLOCKAGE. IT WILL FAIL AGAIN. Rebuilders cut out the tubing where the blockage is on blocked units and then weld a new upper tube assbly in place, then charges the cooling unit. THERE IS NO WAY THAT MOBILE TECH FOUND A BLOCKAGE, UNLESS HE STUCK AROUND FOR 2 OR 3 DAYS AND DID VARIOUS TESTS. TEMPORARILY UNBLOCKING A UNIT REQUIRES THE REFER TO BE TURNED UPSIDE DOWN FOR 24 HOURS AND THEN RIGHT SIDE UP FOR 24 HOURS. Then start a cooling process. You could have just had a glitch and if the refer continues to cool (below 38 degrees in the refer and below 10 degrees in the freezer), I would not worry about it. Also, it could have been as simple as the rear cooling fans did not run. Did the Mobile tech checked those? Doug PS, is the refer in a slide room?
dougrainer 01/12/23 01:40pm Tech Issues
RE: LP gas leak

https://www.homedepot.com/p/RectorSeal-1-75-oz-5-Pipe-Thread-Sealant-25790/100144191?source=shoppingads&locale=en-US&&mtc=SHOPPING-CM-CML-GGL-D26P-026_001_PIPE_FITTING-NA-NA-NA-SMART-2998850-NA-NA-NA-NBR-NA-NA-NEW-PL3_Live&cm_mmc=SHOPPING-CM-CML-GGL-D26P-026_001_PIPE_FITTING-NA-NA-NA-SMART-2998850-NA-NA-NA-NBR-NA-NA-NEW-PL3_Live-71700000094213694-58700007814434200-92700071019453829&gclid=Cj0KCQiA5NSdBhDfARIsALzs2EDzmq8INmUEr7_SZ6q3F4bki-9lXLTmd3i229Y5wTOGYsJ4kcaTGv0aAu2fEALw_wcB&gclsrc=aw.ds Use this for the threads. I have used it for 40 years and NEVER had any type leak. It also will seal threads on Hydraulic fittings that use up to 3500 psi. One you replace and air pressure the tank, make sure you bleed off all the air to purge the tank. Doug
dougrainer 01/04/23 09:21am Class A Motorhomes
RE: loose Alpha TPO roof beside fridge vent on roof

Many roofs are not glued down on the outer edges. If there are no obvious tears in the membrane and the membrane wraps over the edge I would not worry about it. What makes you think this is factual? They ALWAYS run glue to the edge. The only time they do not install glue is ON the radius from the roof to the sidewall IF the RV has radius instead of a 90 degree edge. The reason they do not on a radius has to do with the radius does not absorb the glue like wood and will cause discoloration below the rubber. Doug
dougrainer 01/03/23 08:40am Tech Issues
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