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Everything posted by dickandlois
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I'm having issue with the Text Box not resetting! Like this. Will you be including the line(s) on the bottom of the index page that lists the members and others looking at the different subject lines? Rich. Kind of remember that once I sent out the topic this box would come up empty the next time I started something new. It,s not a big issue, I just delete what ever here and replace it. And yes I'm sure that I'm loosing more of my mind ever day. However! that problem is not covered in your pay scale or job description. Rich.
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Inverter sine waves, Modified and Pure Link
dickandlois replied to dickandlois's topic in Electrical
ObedB. By older what are you referring to ? There are still a number of coaches that are still equipped with MSW inverters and one can still buy MSW equipment. Rich. -
Inverter sine waves, Modified and Pure Link. The red wave is pure and the Blue square cornered one is the modified version. I cannot just attach images anymore because I have used up my allotted data. So I hope this link clears up and or helps clear up the difference. https://www.google.com/imgres?imgurl=x-raw-image%3A%2F%2F%2F96c24e4d3934a383394786da90ae80669200dfdece0264b503cf3cb99cb22a57&imgrefurl=http%3A%2F%2Fwww.xantrex.com%2Fdocuments%2Ftech-doctor%2Funiversal%2Ftech1-universal.pdf&docid=c2v9GYxDH6kcmM&tbnid=g6M0OU1OwpY5QM%3A&w=225&h=230&ved=0ahUKEwiZ8JqMm4nMAhXClB4KHTCaC0YQMwgeKAEwAQ&iact=mrc&uact=8 Rich. Link to the pdf file with the technical information from Xantrex. http://www.xantrex.com/documents/tech-doctor/universal/tech1-universal.pdf Want to go a little deeper into the issue? Try this link. https://www.altestore.com/blog/2015/10/pure-sine-wave-vs-modified-sine-wave-whats-the-difference/
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Inverter sine waves, Modified and Pure Link. The red wave is pure and the Blue square cornered one is the modified version. I cannot just attach images anymore because I have used up my allotted data. So I hope this link clears up and or helps clear up the difference. https://www.google.com/imgres?imgurl=x-raw-image:///96c24e4d3934a383394786da90ae80669200dfdece0264b503cf3cb99cb22a57&imgrefurl=http://www.xantrex.com/documents/tech-doctor/universal/tech1-universal.pdf&h=230&w=225&tbnid=g6M0OU1OwpY5QM:&tbnh=160&tbnw=156&docid=c2v9GYxDH6kcmM&usg=__wb0eXU7_ykMSHHZnD10T3SXzJA8=&sa=X&sqi=2&ved=0ahUKEwjtksmikYnMAhWG1h4KHTX9AEkQ9QEIIDAA Rich.
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Jleamont, Take a look at this link. This original link is no longer working. http://www.belray.com/molylube-spray-coating-moly So start hear to find the product mentioned in the original link. http://www.belrayracing.com/news/bel-ray-announces-molylube-open-gear-and-rope-lubricant-various-mining-applications Farmingdale, N.J. (May 16, 2017) – Total performance lubricant manufacturer, Bel-Ray, today announced the release of its latest mining product, Molylube Open Gear and Rope Lubricant. The newest mining lubricant can be used in general industrial open gears, pins and bushings, chains, wire ropes, cables, drive chains and sliding surfaces. Molylube Open Gear and Rope Lubricant has been specifically formulated for open gears, girth gears and rack and pinions which are found in all types of equipment such as draglines, shovels, mills, kilns and stationary and mobile cranes. The Molylube Open Gear and Rope Lubricant is a highly tenacious lubricant that ensures adherence to the gear teeth creating excellent resistance to throw-off and slinging. Might just stop the squeaks on those double swing hinges. Rich.
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From their website -- this is an older recall, but wanted to inform coach owners. Things slip through the cracks and if a coach has changed owners and it is equipped with this unit you might want to check and see if unit has been recalled for the recall! Rich. Unknown Xantrex Freedom Sw 3000 Equipment Recall 10E032000 Action Number: N/A Service Bulletin Number: 10E032000 Report Date: Aug 06, 2010 Component: Equipment Potential Units Affected: 572 Manufacturer: Schneider Electric Holdings, Inc. Summary: Xantrex technology has decided that certain freedom sw 3000 electric inverters/charges sold as aftermarket equipment and also installed as original equipment in some recreational vehicles contain a safety defect. Due to poor soldering in close proximity to inadequately torqued bus bars in the product, melted solder can result in a short circuit failure. Consequence: A short circuit can result in the unit overheating, possibly resulting in a fire. Remedy: Xantrex will notify the owners of the aftermarket equipment and will repair or replace the units free of charge. The safety recall began on july 30, 2010. Owners may contact xantrex at 1-800-670-0707. Notes: Owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to <a href=http://www. Safercar. Gov>http://www. Safercar. Gov</a>.
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SLSettles, From your correspondence on the other forum and for your experience with the inveter. It sure sounds like the 1000 watt unit lacked the ability to supply the needed surge current of the required load. The circuit design likely has a watchdog circuit that monitors current and the trigger level is set a little low and will not allow the unit to even reach a current level to supply 1500 watts at startup let alone 2000. This protects components, but also puts the unit specifications in the iffy area. would be nice if this is an issue and they added a asterisk . in the specifications. Not that the unit can not supply 2000 watts, just not the power required by large inductive startup loads !!! Thanks for your feedback and information. It helps me to expand my knowledge base and potential pitfalls of manufactures specification sheets. Rich.
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SLSellles, Thanks for your up dated and relevant feedback. We all try to fill in gaps in how I or anyone posting a thought or question are interpreting the original post. Not always easy. The one item I had to dig out was the fact (I think) that you where installing the SW 1000 in parallel with an OEM Modified Sine Wave unit. Good to know that ventilation was never an issue regarding shutdown. Also the fact that the battery bank voltage never dropped below 12.4 volts while the PSM unit was trying to power the refrigerator. Like you have asked - why will the 1000 watt inverter not power a refrigerator and all the information we have on hand it should. I have to keep asking myself what am I missing. Power is power and a load is a load. When the numbers do not make sense what is going on! So if you would or if you can - What was the current load of the inverter and was there any chance of an AC ripple being present on the 12 volt input. I do not disagree - the inverter should power the refrigerator - given the fact that the battery level never dropped to the cutout point. A defective inverter? Rich.
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Got to wounder if the dealer has ever worked on or install a door lock and handle. As long as they could get inside coach, removing the screws and disassembling the unit, the door should open as soon as the pin is pulled out of the striker plate. The door lock systems do fail, but we tend to forget to remove the parts and keep the internal mechanism lubricated. Not an item placed on the periodic maintenance list. Should the latch pin be made of plastic, there is always a greater possibility of them braking. How often do people remove and lubricate there house door locks, not often if ever and the new combination locks for homes do require new batteries and they always run out of power when one does not have the key ring with the house key! Rich.
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rwitt, Sure sounds like the socket ! The other 3 work. you mentioned that you are reading 12 volts at the socket causing the problem. The only other item could be a wire connection to that troubling socket, but you keep reading 12 volts. So the only other item that I can think of is a cold solder connection that comes and goes depending on temperature and just enough pressure from the meter probes to mask it. A cold solder joint is the only item that I can think of that offers a possibility other then the center contact of the socket. The Ground connection would be soldered to the outside portion of the socket and bad solder can cause the issue. I kind of hate intermittent problems. They put me into the mindset of what am I missing! How hard can it be to fix, its only 2 wires going to a bulb for peat shakes. LOL Rich.
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Yes, The check valve is located at the city water input and is part of the assembly. Rich.
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Kay, The inverter will run with an input voltage of 15.5 to 10.5 volts DC. The house batteries when charged and no input charge, set at 12.5 for all intensive purposes. The SW 1000 inverter shuts down in overload when the Battery voltage drops to 10.5 and will not rest until the input voltage reaches 11.5 DC. I have to believe that the start current for the refrigerator is 12.5 amps and the run current is around 5 amps. Depending on the make and model MSW inverter installed(OEM) and the load it is carrying and the 12 volt Charge current from the unit limits the load the system setup can handle. The specifications for the 1000 list a continues load of 900 watts @ 7.5 amps. As the battery voltage drops the current is increasing to meet load and it will hit the overload point quickly. The only way one could have the needed power would be to have a high current charger running off the generator or by running the engine alternator to maintain a good 12 to 13 volts for the inverter. This would keep the current lower and minimize the overheat issue. Like you mentioned the laws of physics get into the equation. Rich. NOTE! We have no information on where the second unit was installed and if there is enough space and ventilation to keep the unit cooled !
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Hi Jim, Regarding the tire pressure. The OEM label is the maximum pressure level. One needs to air up the tires relative to axle weight. Different tire sizes have different load capacities, but you still air them up to the pressure level needed for weight. Not exceeding the maximum pressure of the tires or rims. Rich.
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rpbuttery, You might look at the load range chart for the new tires and at what pressure the tires match the load requirements. The science of tires keeps changing. Rich.
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Ray, think your on the right track. This type of lamp does generate a fair amount of heat and I have to think that the heat over time and the type of socket used with a spring type of center contact looses some of the intended tension over time. due to the heat they are exposed to over time. Rich. You might try replacing a couple of the sockets and see if the lights with new sockets work better then the ones you have not changed out. You might just try to bend the center contact to increase the contact pressure, but if the spring tension drops due to the spring characteristics being altered do to temperature you should be able to tell with in a short period of time. Rich.
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rwitt, Are you using incandescent bulbs or LED's . Just wondering, but my first thought is the small spring connection that keeps pressure on the center connection of the bulb. If the lamps are halogen stile, then there could be some carbon build up in the socket. They can be cleaned with a small emery board, like the ones user to file finger nails. Rich.
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Wheel Chocks - Needed And If Yes, Most Preferred
dickandlois replied to garyejones's topic in Type A motorhomes
Five, Have to agree with you regarding the 4in.by 4in. chocks. The ones I have are like 8in. by 8in. that I found and much heavier. Thing is that as long as the air system check goes well and the fact that with the rear parking brake engaged do not worry to much. Parking in some locations where the coach is on a grade, then adding the wheel chocks is always done. Just got to remember not to jack the wheels off the ground Though ! Joe, thanks for your added points regarding the possibility of slow air leaks and how to spot them! Rich. -
Wheel Chocks - Needed And If Yes, Most Preferred
dickandlois replied to garyejones's topic in Type A motorhomes
Just took the time to read this thread regarding Wheel chocks. I always keep a set in the coach. The main reason is to check the air break system on the current Diesel coach. To do a proper test, one must park on a level surface. SET the air brakes. Place the chocks in front and behind one set of duels. Release the parking break and make sure the coach does not move. Then you can shut down the engine, start pumping the break peddle. When the air pressure drops to apx. 65 lbs. the low air alarm should sound. Continue to press and release the brake pedal. At around 40 psi the Yellow park brake button should pop out and apply the park brakes. This is a test that needs to be performed in MHO twice a year for all coaches with air breaks. Regarding chocks for the gas power coaches. I owned them also and always made use of them with chassis with drive shaft parking brakes and No transmission parking brake palls. A coach is almost impossible to stop if it starts to move when you are not behind the steering wheel !!!!!! Rich. I use the large plastic ones as they are tough and light weight. -
Doug, Welcome to the FMCA Forum! The sound you are hearing is most likely from the city water inlet flapper / check valve. You can probably hear it out side where the hose connects to the coach. The city water pressure is opening as it supplements the on board water as the pump pressure fluctuates. Turn off the outside supply and it should go away and allow you to only us water from the fresh water tank, if you are trying to us up that source of water. Rich.
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SLSettles, Welcome to the FMCA Forum! Reading over your post, with the refrigerator requiring 170 watts of power and the inverter is putting out 1000 watts. You have 10+ times the power requirement available. That being the case there should be plenty of power to run a microwave for short periods of time with the batteries charged. The Item you mentioned regarding the problem when the discharged to 65% and starting the generator you still got an error code is due to limited charging current of the current inverter / charger. Remember the charger / inverter is rated at 1000 watts, but the charger portion current capabilities are not able to keep up with demand under high loads until the batteries are charged to a level where they can supplement the power needed under a heavy load. The 2000 watt inverter would have a higher DC changing current and this fact reduces the chances of reaching the overload point you experience. A 2000 watt inverter will generate an overload code at the same battery voltage or the 65% point as the 1000 watt unit does. So investing in a newer unit will help, but will still have the same maximum house battery AH level to work with. Rich. Question. does your inverter have a 120 volt bypass that enables you to run the items you want when the inverter function is turned off allowing the unit to charge the batteries only while running the generator?
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Bob, Welcome to the forum ! Take a look at this link and see if anything matches what you need. Profiles and size information would be helpful in finding a proper match. http://www.cleanseal.com/products.html You might be able to contact the coach builder and see if they have information on file. Rich.
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Thanks for the update and information! Never owned a large boat of any kind, answers the question regarding the alternator and GEL cells. Rich.
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The question just came up regarding replacing the coach batteries with GEL cell and still charging Wet cell batteries from a Inverter / Charger. NOW! this leads to another issue: If one replaces the chassis wet cell(s) with GEL cells, what changes need to be made to the engine alternator to properly charge them? I have no clue at this time, but think it is an item that requires more research. I refer this to as opening, Pandora's Box!!! Thinking to water got muddied up some! Rich.
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Cleaning the contacts will work just fine ! The cause is connection or disconnecting the shore cable to the riser before turning off the power breaker(s) or turning off all the system loads(AC units) are the main load(s).. The ATS relay contacts can also be damaged by equipment left on and you can cause damage to the generator circuit breaks when equipment is not power off before connecting to a large load. Rich.
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Brett, Good point about the wire powering the lights or any other circuits when they are mounted on the slide(s). Common practice is to have a good sized loop in the wiring that expands and retracts with side motion. A wire that can be easily compromised while working under the slides. Rich.