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Add This to the Maintenance List

The wind gusts persisted into the early afternoon yesterday, so I scrapped my bike ride plan. Instead, I completed a task I’ve been putting off. Once I got started on my project, it was clear that I had put it off for too long.

Like most RVs, our coach is equipped with roof vents. We have fans that draw fresh air through an open window and circulate it up to the ceiling and out the vent. Ours are made by a company called Fan-Tastic Vent. It uses a 12-inch, 10-blade rotary fan with a three-speed 12-volt motor to draw maximum airflow with minimum noise through the ceiling vent. By leaving a window slightly open on the shaded side of the coach, a continuous supply of fresh, cooler air is circulated. It can drop the interior temperature of the coach by 10 degrees or more. The vents have screens on the inside to keep mosquitoes and other insects out. On the outside, it has a cover that opens when the fan is in use. Most of the Fan-Tastic Vents have rain sensors. If it detects water, it closes the cover and turns off the fan. We have rain sensors, but we also have Maxxair vent covers on our coach. It’s a belt-and-suspenders approach.

We have two of these Fan-Tastic Vents – one in the galley and one in the bathroom. The one in the galley also serves to draw smoke out of the interior when Donna is cooking. Over time, an oily film builds up on the galley fan and dust sticks to the screen and fan blades. The one in the bathroom also collects dust, but it isn’t sticky. It’s more like the lint you find in a clothes dryer screen. Donna vacuums the screens, but the galley fan gets too sticky and eventually the bathroom fan also collects a fair amount of stubborn dust the vacuum cleaner can’t remove.

Yesterday I removed the eight screws holding the screens in place on each of the vents. I was surprised to find how dirty the screens and fan blades were.

Dust covered screen

Dust covered screen

I washed the screens with a mixture of Simple Green and water. Then I used a step stool to wash the fan blades with a microfiber cloth and the Simple Green mixture.

Dust clings to the galley fan blades

Dust clings to the galley fan blades

The dust clinging to the fan blades was stubborn, but they cleaned up nicely.

Clean as new again

Screen clean as new again

After I reassembled the vent screens, the fans seem quieter than before. It’s one of those insidious things – the dust collects slowly and you don’t really notice the slight increase in noise and drop in efficiency over time. This will have to become a quarterly maintenance item.

Donna decided to keep the rental car for an additional day and went grocery shopping in the afternoon. When she returned, I took the car over to Red, White and Brew to wet my whistle and discuss the New England Patriots Deflategate scandal. We’ll return the rental car today.

We don’t have any wind this morning. Maybe I’ll get my bike out today.

Not the Healthiest Food Day

I continued to work on setting up my new computer yesterday in the morning. I was able to add the device to my Norton anti-virus subscription. I was afraid I would have to start a new subscription even though the old one has a couple of months left. I called the Norton support number, but they were no help. English was obviously a second language for the support person and I could only catch about every third word he spoke.

I went back to the Norton site and after clicking around, I found that I had the ability to add another device to my current license at no cost. Bingo! Now I have to buy and load Microsoft Office and Photoshop. I’m undecided on how to go about doing that. The new PC doesn’t have a DVD reader, so it seems I’ll have to download the programs. They’re big downloads, meaning they’ll really eat up my data plan. I’m looking for an alternative way to do it.

We headed out at 11am. I scootered Donna over to the Hertz car rental agency on McKellips. She wanted a car to drive to her hair appointment with our friend, Jodi Hall, at Total Bliss in Gilbert. Donna didn’t want to ride the scooter to the salon and show up with “helmet head.”

While Donna was getting her hair done, I drove over to Costco, about a mile away from the salon, and bought a few items. I grabbed lunch while I was out at a Mexican place by the salon. I asked about the burrito supreme on the menu. They said it was beef, beans and cheese with pico de gallo and sour cream on the side. I went for it. Bad choice for me. They neglected to mention the fact that it was also loaded with onions and peppers – overloaded in fact.

I picked up Donna at 1:30pm and we drove to the Harkins Theater at Superstition Springs. We watched American Sniper. It was one of the best movies I’ve seen in quite a while. Powerful story and it moves along so smoothly I could hardly believe 132 minutes had passed. I had a bag of popcorn and a large Coke during the movie. I rarely drink Coke or any other soft drink.

From the theater, we drove directly to the Handlebar Pub in Apache Junction. It was Andy King’s birthday. I went to school in San Diego with Andy King and we’ve been friends since our junior high days. He was at the Handlebar performing Bluegrass music with The String ‘Em Up Band. Andy plays the dobro (resonator guitar).

String 'Em Up Band

String ‘Em Up Band (that’s Andy in the back)

The place was packed. We had three tables pushed together in front of the band with about 10 people. I had a nice local milk stout and a couple of IPAs with a plate of wings and potato skins. Not the healthiest food day for me. Donna stayed sensible and had grilled salmon and veggies.

Donna with Sandy and Lana in the background

Donna with Sandy and Lana in the background

The music was good and we had a fun time. Our friends and former neighbor, Lana, and her fiance, Joel, joined us there. We cut out early, during the second set. I’d been sitting all afternoon at the theater and then at the pub. I needed to stretch a bit.

At bedtime, I paid the price for the large Coke and food choices. I had a hard time getting to sleep, then I slept fitfully. I woke up several times with heartburn. I’m dragging a bit this morning.

Speaking of food, I have a couple of food photos to share. I couldn’t post them earlier with all of the laptop woes. The first is a cauliflower cheese chowder with bacon that Donna prepared last weekend. It was absolutely delicious and much healthier than it sounds.

Cauliflower cheese chowder

Cauliflower cheese chowder

The other dish was a banana pancake breakfast plate with almond butter. The only ingredients are mashed bananas and egg. So good! (Note from Donna: Just mash one banana and one egg per person to make 2-3 pancakes. I used coconut oil to coat a nonstick pan. Top with nut butter and fresh berries, chopped walnuts and maple syrup, whipped cream or whatever you like on regular pancakes. You can also add chocolate chips or blueberries to the batter.)

Banana pancakes with almond butter

Banana pancakes with almond butter

It’s blustery this morning, but today promises to be another fine weather day with temperatures near 70. This weekend will warm up to the upper 70s, maybe 80 degrees. I have a few projects I should attend to, but I may go bicycling instead!

You Get What You Pay For

Computer trouble is so much fun! Not really. I tried all afternoon on Monday to get my laptop to function reliably. It would lock up randomly and at times I had to manually shut it down and reboot. I couldn’t save anything.

Yesterday, after talking to my friends and former colleagues, Khaldoon Tufail and Bob Clogg, I tried a few other approaches. I ran malware software to try to detect if that was the problem. The thing is, it couldn’t complete the scan before locking up. I tried over and over again. Then I ran a hardware diagnostic and came up with a laundry list of faults in the memory and motherboard. The laptop I’ve been using is an inexpensive HP Pavillion G6. These are prone to overheat and have known issues with the cooling fan. I’ve been using mine on a laptop cooler to control the heat. Apparently, the heat won.

Khaldoon does part-time work for Best Buy in their customer service department. He knows which products get returned and which ones people seem satisfied with. After consulting with him, I went to Best Buy. I had a few notebook PCs in mind. I ended up with a new ASUS notebook. It has a 15.5″ touch screen, so it operates like a normal laptop with a keyboard or you can use it like a tablet. The screen rotates completely around the backside, so you can set it on a counter, keyboard down, and use it like a tablet.

The features that sold me on it were the performance and the aluminum shell – not plastic like most laptops. It has 8GB of RAM, a 1TB hard drive and the processor is an Intel Core i5. This new laptop has way more power and speed than my old HP. It runs cool. But, it also cost twice as much. Oh well, you get what you pay for.

I’m working on file transfers (when I can get the old one to transfer a file!) and set-up. I’m transferring files with a 32GB thumb drive. It’s hard to believe that thumb drives hold up to 64GB nowadays. The 32GB drive cost me $16. Unbelievable how cheap memory has become.

We have a busy schedule today, so I don’t know much of the set-up I’ll accomplish. I’ll post more when time allows.

Simple Switch

Friday was a beautiful day for a bike ride. The temperature reached the mid-70s and there wasn’t a cloud in the sky. Donna took off on her road bike and headed east on Adobe Street. Shortly thereafter, I unloaded my mountain bike from the trailer and took a ride.

There are nine canals in the Phoenix area that supply irrigation water. In addition to the nine major canals, there are smaller canals called laterals that interconnect the major canals. Some of the laterals are underground. Most of the laterals south of the Salt River are large ditches.

Eastern Canal south of University Drive

Eastern Canal south of University Drive

I followed the Eastern Canal, which was built by the federal government in 1909, south. I made a loop through Mesa and stopped in at a couple of RV lots to kick tires. I also stopped at two trailer sales lots to see if I could find a pneumatic tire for the front jack on our cargo trailer. I have a six-inch wheel on there now, but it’s made from hard plastic and doesn’t roll well unless the trailer is parked on a hard surface. If I drop the trailer in gravel, it’s difficult to move it. I didn’t have any luck in my search though.

Donna spent the remainder of the afternoon working. I went to Lucky Lou’s at 3pm for an early happy hour. I met up with the usual gang there.

Patrick, Leendert, John, Mike and Jodi at Lucky Lou's

Patrick, Leendert, John, Mike and Jodi at Lucky Lou’s

Mike Hall told me about a 1978 Mercedes 450 SL he’s working on. It has a cooling system issue – the electric fan doesn’t work. I threw out a few ideas, then told him I would stop by and have a look on Saturday.

When I arrived at his place on Saturday and looked at the car, I was surprised to see the radiator has an engine-driven clutch fan in a shroud behind the radiator and an electric auxiliary fan in front of the radiator. When we spoke the day before, I assumed it only had the electric fan.

Mike had a Haynes manual for the Mercedes, but it didn’t have any information on the auxiliary fan nor did the wire diagram show the fan circuit. I searched online but couldn’t find anything useful. I spent the next two hours following wires back to the fuse panel and relay panel. It was a real head scratcher. We had already confirmed that the fan motor worked by jumping power directly from the battery.

There are two temperature sensors in the cooling system – a single pole sensor and a double pole sensor. After looking around and thinking a bit, it occurred to me that the single-pole sensor was a simple temperature switch. The double-pole sensor must be for the temperature gauge.

I disconnected the single-pole sensor and had Mike turn the ignition on. Sure enough, I had battery voltage going to the sensor. Here’s what I was thinking. The single-pole sensor is probably a simple bi-metallic switch. It has a metal strip in the center made of two dis-similar metals. As the  coolant heats up in the sensor, the metals expand at different rates, causing the strip to bend. When the strip bends far enough, it touches the metal housing on the sensor, grounding the circuit and the voltage at the connector flows. This low-current voltage activates the relay which, in turn, supplies current to the fan motor.

To test this theory, I grounded the wire connected to the sensor with the ignition key on. Voila! The fan started running. We have a defective sensor. It isn’t grounding the circuit, so the fan relay doesn’t activate. The single-pole sensor is easily replaced and the part is available online.

With that done, Mike bought me lunch at Red, White and Brew. I spent the rest of the afternoon cleaning up the engine compartment on our coach and re-securing some insulation that came loose in the compartment. I also cleaned and waxed the right rear corner of the coach. The lawn sprinkler behind our site sprays the right rear corner and leaves hard water spots.

Today is NFL Conference Championship day. I think I’ll hang out and watch football. Donna’s heading out for another bike ride.

Friends from Ohio

Last week, Donna heard from her friend, Kris Downey. She and her husband, Tom, came up from Ohio and bought a lot of our books (for resale) and Donna’s huge book shelf when we were selling everything back in Michigan. Donna and Kris met through SendOut Cards.

Since then, after becoming empty-nesters, they sold their house and almost everything in it and hit the road this past November. They are also here in Mesa, so yesterday, we scootered east on University Drive to their site at Viewpoint Golf and RV Resort.

Of course, after our initial greetings, we got the grand tour of their new Winnebago Journey motorhome. When they originally planned to sell their home and go nomadic, they bought a 2004 Itasca motorhome. But every time they took it out for a shakedown, something would fail. After several trips to the repair shop, they decided to trade it in for the new 2014 Winnebago before they left Ohio.

2014 Winnebago Journey

2014 Winnebago Journey

Brand new coaches often have a few teething problems at first. They had an issue with the heat pumps that kept them in Chattanooga and altered their travel plans. They made it to California after a cross-country dash and were in Menifee at Thanksgiving – the same time we were there!

We went out for lunch at the golf course clubhouse restaurant, Fat Willy’s. We lingered and talked for a couple of hours there, then returned to their coach. Tom and I talked RV stuff while Donna and Kris caught up with each other and enjoyed some girl talk.  Talking sports or gearhead stuff with me doesn’t do much for her.

Tom, Kris, Donna and me

Tom, Kris, Donna and me with their dog, Rigby

It was an enjoyable afternoon. Later, while Donna tried to catch up on some work, I scootered over to Lucky Lou’s where I found all the usual suspects. John Huff and Leendert Hartoog were there along with Mike and Jodi Hall and Stan. I enjoyed a cold oatmeal stout from Odell Brewing in Fort Collins, Colorado. Very tasty. We planned to meet up again today for an early Friday afternoon happy hour.

Donna prepared a new dish the other day. She made chicken breast stuffed with sun-dried tomato pesto. It’s a mouthful to say, but it sure adds a nice flavor to a chicken breast. Donna says it was easy to make and the recipe is a keeper.

Chicken breast stuffed with sun-dried tomato pesto

Chicken breast stuffed with sun-dried tomato pesto

It was so good, I thought I should post a picture since I forgot to add it to my last post.

We’re in for another sunny day with clear skies. The temperature should reach the low- to mid-70s. Might be a good day for a bike ride.

 

Squeaky Clean

It rained as predicted on Tuesday. The clouds pushed off to the east and it cleared up around 3pm. This was good since we were invited to an outdoor potluck dinner at 5pm.

Donna prepared chicken quinoa salad for the potluck. I dug into pasta, enchiladas and pizza while we met our neighbors. Most of them are snowbirds who return to Orangewood Shadows every winter. There are about 475 sites here and it seems like everyone knows each other. We were recognized as newcomers. It was interesting and a fun social evening.

Of course the rain undid the wash job I had done on the coach in Casa Grande. Yesterday I broke out the Werner telescoping multi-ladder and went to work cleaning the coach. I used the waterless washing liquid that our friends, Dave and Lynda Campbell, recommended. It’s called The Solution. I used it once before when we were in San Diego. It really works well. The first time I washed the coach with it, I used more than a quart to clean the coach. Lynda told me it shouldn’t take that much and over time I would use less. She was right.

I brushed the dust and dirt off the coach with a California Car Duster. Then I sprayed a fine mist of The Solution on sections of the coach and buffed it with a microfiber cloth. I did the entire coach, from the roof crown moldings to the bottom of the basement, including windows and wheels with about 1/2 quart of The Solution.

By the time I dressed the tires with 303 Aerospace Protectant, four hours had gone by and I was whipped. The coach looks great and there’s no rain expected any time soon. I’ll wait for a day or two before I wash the trailer.

Our home for the next seven weeks

Our home looking good

After cleaning up, I rode the scooter over to the Red, White and Brew on Power Road. This is one of my old favorite haunts. I stopped in on Monday after we set up and found my friends Leendert, Jodi and her sister Jackie there. Jodi’s husband, Mike, was under the weather and didn’t come out. Yesterday, none of the old crowd was there. I’ll need to get into the loop and figure out where they are on different days of the week. I know they go to Lucky Lou’s and maybe another place or two. Red, White and Brew is still my favorite though – good food, great beer selection and friendly service.

I unloaded Donna’s bike from the trailer yesterday and she went out for a short ride – her first ride in three weeks. We have good access to quiet roads with bike lanes. I think I’ll set up my mountain bike today and ride the canal trail. Maybe I’ll ride down on Main Street where all of the RV lots are and kick a few tires. I don’t have any intention of moving out of our Alpine Coach, but it’s fun to see what’s on the market.

Fair to Middling

I mentioned the tour Donna took on Saturday. She joined a group of about 50 people from the Casa Grande RV Resort on an outing to Caywood Cotton Farm.

Nancy and Al are the current owners of the family farm. Al was a pilot for Southwest Airlines before he retired and took on farm duties. Nancy was an educator at the University of California. The farm was established by Nancy’s grandparents. Al and Nancy’s children and grandchildren work on the farm, making it a five-generation affair.

They give tours of the farm on Saturdays during the off-season. Donna said that the presentation was very interesting and informative, giving a detailed account of the cotton industry, She highly recommends the $10 tour. She took a few pictures and I gleaned some information from the brochure she brought home.

The growing season begins in the spring, after any danger of frost or freeze has passed. Cotton seed that’s been treated with a fungicide is planted with a planter pulled by a tractor. It can plant up to 12 rows at a time. The planter digs a small furrow, drops the seed, then covers it with dirt by dragging a section of chain link behind the planter.

It takes about a week for the seeds to germinate and pop through the soil. Now the farmer must cultivate the soil, uprooting weeds and grass that would compete with the cotton for nutrients, sunlight and water.

About two months later, flower buds called squares form. After another three weeks, they open with creamy white to yellow petals. Within a few days, the petals turn purple. Then they wither up and fall, leaving a green pod called a boll.

The boll is shaped like a tiny football. Inside the boll, seeds are formed and moist fibers grow. The fibers eventually expand and split the boll open, exposing fluffy cotton.

Cotton field

Demonstration cotton field

The cotton bolls don’t mature and open all at once. Near the end of summer, most of the bolls have opened and harvest time is near. Each boll contains 24 – 30 seeds, comprising most of the weight of the boll. Before the harvest, the cotton plants are sprayed with a defoliant which causes the leaves to dry and fall off. This makes the cotton cleaner for picking.

Close up of cotton left over from harvest

Close up of cotton in the demo field

Picking is done with a machine. It uses a system of fast spinning spindles, daufers and brushes to pull the cotton from the plant and blow it into a basket. Modern pickers can pick up to six rows at a time.

The baskets are dumped into a container called a cotton module builder. The capacity of the module builder is about 15,000 lbs; 2/3 of the weight is seed with the remaining third cotton. When full, the module builder is removed and transported to the cotton gin, which is operated by a co-op of farmers in the area.

The ginning process begins with powerful vacuums that pull the cotton into the building and through cleaning machines. The seeds and cotton are separated and plant trash such as burrs, stems, leaf material and dirt are removed.

The cotton fiber, minus the seeds are now called lint. The lint is pressed into bales weighing 470 – 500 lbs. The seeds are processed separately. They have short fuzzy fibers that are removed and sold. Then the seed itself is sold.

Cotton seed

Cotton seed

The cotton bales are classified for quality before they can be sold. There are 20 total grades, ranging from Fair (best) to Middling and Ordinary (lowest grade). Ever heard the expression “fair to middling?” Well, that’s where it comes from. You may have heard of Pima cotton. That’s a high-quality cotton grown in Pima County, here in Arizona.

Cotton sample on the left, Pima cotton on the right

Ginned cotton samples with Pima cotton on the right

Casa Grande is in Pinal County, which is the largest cotton-producing county in Arizona.

On Sunday, I packed the trailer. The forecast called for a chance of rain overnight. I didn’t want to pack a wet scooter and chairs in the morning.

On Monday morning, we rolled out of Casa Grande RV Resort at 10:30am. Just before we pulled out, I saw a text message from our friend, Dave Hobden. He was in the area and wanted to know if we could get together. The timing wasn’t right as we were packed up and rolling. Driving to a coffee shop or something in a 56′ rig isn’t that easy. We’ll meet up again.

We rolled up I-10. I stopped at Riggs Road, about 30 miles south of Phoenix and topped up the tanks at the Shell station. They had good big-rig access, high-speed diesel pumps and the price was right – just $2.69/gallon. That’s the best price we’ve paid since we went out on the road. Because we’ll be sitting in Mesa for the next two months, I wanted to park our coach with a full fuel tank to reduce the chance of water condensing in the tank.

We’re set up in the Orangewood Shadows RV Park. The name is appropriate –  there are orange trees full of fruit everywhere. The park in Casa Grande had wide paved roads that made maneuvering the coach a breeze. Here, not so much. It’s the typical Mesa RV park with narrow roads and park model dwellings right on the edge of the street. Dropping the trailer in our site and positioning the coach took some doing. We were assisted by one of the park hosts, Al. He did a terrific job of directing me into the site.

Coincidentally, another Alpine Coach pulled into the RV park a few sites down from us.  I met the owners, Peter and Donna Ohm. They’re from Stockton, California and have owned their 2003 40′ Alpine since new. We found that we had mutual friends in the Alpine Coach Association. He’s a retired farmer and they enjoy traveling. They’re here for the Barrett-Jackson car auction.

The weather forecast calls for rain showers today. Tomorrow the sunshine is supposed to return with no rain in the foreseeable forecast. This will put a damper on today’s activities as we were both excited to do some cycling. We’ll wait until tomorrow to get our bicycles out.

On the Roof Again

After posting to the blog yesterday, my first priority was finding EternaBond tape to seal the crack in the roof I wrote about. I rode the scooter down Pinal Avenue to The RV Store. It wasn’t much of an RV store despite the name. The guy behind the counter had never heard of EternaBond.

I rode north to an RV lot, but they didn’t have it either. When I came back to the Casa Grande RV Resort, I saw a truck advertising RV roof repairs and a man and a woman setting up a ladder and equipment next to a motorhome. I stopped and asked them if they had any EternaBond they could sell me. The guy said he didn’t have any with him, but they had some back at the shop if I wanted to stop in next week. I told him we would be in the Phoenix area next week and that maybe I should just wait and get it there.

He asked me why I needed it. I described the ridges over the roof bows and told him there was a hairline crack in one of the ridges. He asked me where my coach was. When I told him it was just around the corner, he said, “Wait a minute.” He dug around in the back of his truck and then set up a tube of sealant in a caulk gun. He told me the acrylic sealant was an industrial-grade product – not something I would find in an RV store or Home Depot. He said I should lay a thin bead of it over the crack and smooth it down. He claimed it would adhere and stay pliable for years. He gave me the caulk gun and said to use it, then put tape over the tip and bring it back to him.

When I got back to the coach, got the ladder out and climbed up on the roof, I was in for another surprise. Yesterday, when I was up there, it was late in the day. The sun was low. The guys were power washing and the roof was mostly wet. When David, the wash guy, told me there was a crack, I wasn’t able to get a really close look – I could just make out what he was pointing at from where I was standing.

Today, the sky was overcast. I was on the roof at noon and the surface was clean and dry. With the flat lighting, the ridges weren’t very noticeable. I think the low sun yesterday made the small ridges cast shadows, exaggerating their form. With the roof clean and dry, I got down on my hands and knees and examined the crack. It turned out be surface checking in the gel coat – a cosmetic crack. Yesterday, when David pointed to the surface crack and said my fiberglass was cracked, I took his word for it and thought we might be in for big trouble. Today, I feel much better knowing it isn’t a structural problem. I still believe the deformation of the fiberglass is the result of the stress I described yesterday – it’s just not as severe as I feared.

For peace of mind, I put down a bead of sealant over the gel coat crack. While I was at it, I sealed up a couple of other fittings on the roof. Then I returned the sealant and caulk gun to the roof guy. They were doing a complete roof reseal on a 40′ National Islander motorhome. That was one of the coaches on my short list when we bought our Alpine Coach.

By the time I was done, Donna was heading out for a tour of Caywood Cotton Farm. A group from the RV park had booked the tour. Donna rode there with a couple from Saskatchewan,  Keith and Dorann, and Keith’s mother, Marian. The tour took the whole afternoon, so I stayed home to watch the NFL playoff games.

Donna took pictures of the tour and learned a lot about the cotton industry. I’ll post her pictures after we settle in Mesa. Tomorrow is a move day, so I probably won’t post again until Tuesday.

Up on the Roof

Have you ever been stopped in your vehicle on a bridge or overpass while a large truck or bus passes by? If so, you probably felt some movement beneath you. That’s because the composite structure of steel, concrete and asphalt that the bridge or overpass was constructed from was flexing! It’s hard to imagine tons of concrete and steel flexing, but nothing is 100% rigid.

When engineers discuss the relative rigidity of a solid material, they call it the modulus of elasticity or Young’s modulus. Different materials have different properties, including their modulus of elasticity. When a force is applied to the material, it will deform. If the resultant stress is within the elastic range of the material, it will elongate or compress, then return to its original state. If the range of elasticity is exceeded, the yield point will be reached and the result is plastic deformation, meaning the material will not return to its original form. If the stress is high enough, ultimate tensile strength can be exceeded and  will result in a sudden breakage and release of stored elastic energy.

I told you all this so I can describe an unexpected finding yesterday. I had our coach washed by a local service, David’s RV Wash, that uses deionized water. I wanted the roof thoroughly cleaned. When David climbed onto the roof, he called me over and said I should see something. I climbed up the ladder and was shocked by what he showed me. Our one-piece fiberglass roof was deformed. It had raised ridges in the fiberglass over several of the supporting roof bows. One of the ridges had a fine crack along the top.

Fiberglass roof deformation over roof bow

Fiberglass roof deformation over roof bow

It looked like the roof support bows had risen up into the fiberglass or the roof itself had sunk into the bows. I’ve been up on the roof of our coach many times and never saw this before. The last time I was on the roof was in July, about five months ago.

I tried to imagine what could have caused this damage since July. After giving the matter much thought, I have a theory. When we were at the Row River over Labor Day weekend, I had a mishap when I was trying to level the coach. This mishap was the result of our leveling jacks working erratically – something I’ve fixed since then.

Here’s what happened. Our site wasn’t level – the coach was in a nose down attitude. And we were on soft ground. I stacked two blocks under each of the front jacks and one block under each of the rear jacks to keep the jacks from sinking into the soft ground. I thought stacking blocks in front would help, allowing the coach to be leveled without extending the front jacks excessively.

Due to ground issue on the HWH hydraulic system control box (that I was unaware of at the time), the auto-level function wasn’t operating properly. When I initiated the auto level, the jacks over-extended abruptly, completely lifting the coach. With the wheels off the ground, we had no parking brake. The coach slid forward, off the blocks.

When the jacks slipped off of the blocks, the coach lurched forward and down into the ground. The jacks dug into the dirt, suddenly stopping the forward and downward motion of the coach. This violent force must have created enough stress for the frame rails to flex. The upward flex of the rails was transferred to the superstructure of the coach, raising the roof bows. At the same time, the sudden stop also flexed the fiberglass roof downward due to inertia.

The contact between the fiberglass roof panel and the roof bows exceeded the elastic range of the fiberglass and it yielded. The resultant plastic deformation created the ridges in the fiberglass roof panel. Meanwhile, the high-strength steel frame and superstructure were within their modulus of elasticity and returned to their original form.

When this mishap occurred, I inspected the jacks and frame under the coach for damage and found minor damage on one jack – which I posted about here. It never occurred to me that the force would result in stress and deformation on the roof. It’s the only explanation I can come up with.

Today, I’ll go to the RV shop and buy EternaBond to repair the crack. I’ll keep an eye on the rest of the roof and hopefully no further damage will be forthcoming.