Tag Archives: impact screwdriver

2015/07/28 (T) Mighty Dremel

I got up at 8 AM.  I must have been sleeping soundly as I was unaware until then that had already gotten up.  She had gone for a walk and left me a note.  The high temperature today is forecast to hit 90 degrees F and she wanted to get her walk in early.  I fed the cats and checked the mouse trap in the pantry.  We caught another one overnight so I carried the trap back to the northeast corner of the yard and released it.

I made our morning coffee and had just settled in to work on my iPad while it brewed when Linda returned from her walk at 8:35 AM.  We enjoyed our first cup of coffee and then had breakfast.  She made a batch of her fabulous granola yesterday but we have to finish the previous batch first.

Today was the day to get back to work on the bus.  First I spray lubed the two overhead garage doors, both rollers and section hinges, and ran them up and down and back up.  I needed to open them anyway to get out the ladder and tools and sometimes it’s better to spend an extra minute while you are thinking about something and just take care of it.  Besides, I had no way of knowing if I would accomplish anything else today so at least the doors worked more smoothly.

This is where the "stop block" was located.  The left screw came out but the right one did not.  I had to grind it off.

This is where the “stop block” was located. The left screw came out but the right one did not. I had to grind it off.

In a very real sense our entire bus remodeling project hinges on getting the old refrigerator out and the new refrigerator in.  The refrigerator swap, in turn, hinges on being able to open the fixed window panel on the passenger side of the bus.  That panel is hinged at the top by a pair of rolled channels, one on the top back edge of the window frame and the other on the lower back side of a rail that runs almost the entire length of the bus.  Most of the upper body side panels are hung from these rails and secured at the bottom with latches or other fixed hardware.

The window frame in question has two latches that can be released allowing the frame to swing open and provide an emergency exit, except for the two “stop blocks” in the upper outside corners which are attached to the frame (with two screws) just below the rail.  As the name suggests, these blocks appear to stop the frame from opening more than about 10 inches. That would make emergency escape difficult but it makes it impossible to remove a refrigerator.  We know these frames will open farther as someone posted a photo of an H3 on one of the Prevost bus websites with this same frame open almost 90 degrees (horizontal).

As I have described here before I successfully removed the left block and the left screw from the right block a couple of weeks ago but have been unable to remove the right screw from the right block.  Early in my attempt to remove it I stripped the Philips head and things just got worse from there.  I borrowed an impact screwdriver from Chuck, which successfully extracted the left screw but the right screw would not budge.  I eventually bought and used three different screw extractor sets and broke two drill bits using one of them.

The Dremel with a cutoff wheel installed.  The stop block was unusable by the time I got it of.

The Dremel with a cutoff wheel installed. The stop block was unusable by the time I got it of.

I borrowed a soldering gun and Dremel Kit from Chuck on Saturday and finally got around to using them today.  The idea of the soldering gun was to heat the screw causing it to expand and then contract when it cooled.  This will sometimes cause screw threads to separate from tapped holes.  In this case the block was already turning relative to the shaft of the screw but the screw was not turning so I hoped the heat might free it from the threaded hole in the frame.  To find out, however, I needed to create a slot in the shaft that would accept a flat blade screwdriver, in particular the large bit that is part of Chuck’s impact screwdriver kit.  Enter the Dremel.

In order to create a wide enough slot I put two cutoff wheels on the arbor.  The block is at the top of the window frame so standing at the highest safe step of our 8-foot step ladder I was at a comfortable height for holding the Dremel vertically and cutting a horizontal slot.  The cutoff wheels are about the size of a quarter so the slot extended well beyond the screw head, or what was left of it, into the block.  Using the Dremel was a last resort and I knew that once I made that decision the block was going to get destroyed.

The Dremel cutoff wheels cut through the block, which is aluminum, very easily and did not have any trouble with screw or the broken drill bits.  The drill bits eventually loosened to where I was able to extract them with pliers.  I tried several different screwdrivers in my newly created slot but to no avail.  I sprayed WD-40 around the block and screw using paper towels to catch the overspray and clean up any runs.  I kept cutting the block until I was able to pry it off of what remained of the screw.  With less than a quarter inch of the shaft left I cut a slot in the end and tried to unscrew it but the tangs just broke off.  I tried unscrewing it with pliers but it would not budge.  The protruding stub would interfere with opening the frame 90 degrees so I used the Dremel with a cutoff wheel to grind the shaft down flush with the frame.

All the "stuff" I used to attack 25 cents worth of aluminum because of corrosion.

Some of the “stuff” I used to attack 25 cents worth of aluminum because of corrosion.

Linda came out to help at this point.  I repositioned the ladder and then we unlatched the frame on the inside.  Linda pushed it out while I supported it from outside.  It opened farther than it had before but we did not try to raise it to a horizontal position.  The frame/glass is very heavy and we did not want to risk having it come loose at the hinge. We closed the frame and latched it.  I took a few pictures and then put all of the tools away.  The weather was very warm and humid and that was enough outside work for today.

We had hummus, pita chips, and black grapes for lunch.  After lunch I spent a few minutes in my office checking e-mail and then typed up the minutes from our July SLAARC meeting.  I then started working on the design/drawings for the built-in sofa.

I have a very long list of things to do but the furniture design remains a priority as I need to make sure Jarel has all the information he needs to keep moving forward on the custom cabinetry.  Although I will be assembling the sofa Jarel will be cutting all of the pieces.  I will be using a long rip of a full sheet of plywood and a long piece of 3/4 x 3/4 walnut hardwood as an edge band for the horizontal platform.  In order to give Jarel a cut sheet I needed to design the unit.  I also needed to design it so I knew it would fit when assembled.

I took an occasional break to chat with friends on the two local ham radio repeaters that we tend to use but otherwise stayed on task until late afternoon.  I had pulled a book on cryptology from our personal library and started reading it.  I took a nap before dinner and continued reading afterwards.  Fascinating stuff, cryptology.

 

2015/07/11 (S) Impactful Tools

We had a small crowd for our SLAARC breakfast this morning but good conversation.  After breakfast we drove to Chuck’s house and picked up the manual impact screwdriver.  Barb was up in the thumb visiting her brother-in-law who recently lost his wife (Barb’s sister).  We lingered for a while and then left for home, stopping for gas on the way.

Back at the house I started a load of laundry and then went to work on the stop block screws.  Linda helped steady the ladder and pass tools and parts back and forth.  I got three of the four screws out of the two stop blocks but the head stripped on the forth one so I was only able to remove the aft stop block.  I tried different bits and even tried drilling a small hole in the center of the head to allow the bits to go in farther but it did not work.  The next approach will be a screw extractor, but first I have to go buy one.

We had soy yogurt for lunch with red grapes and I had a few pretzels with roasted red pepper hummus.  I kept trying to get to the basement to work on the desk design but kept getting detoured.  Once I finally reached my office I found that the mouse trap that I had placed under one of my desks was out in front of it.  The food was gone but there was no mouse, only mouse poop.  I realized that the trap was upside down which allowed the door to swing open.  Our best guess is that a mouse was trapped and the cats pulled the trap out from under the desk and accidentally turned it over while pawing at it trying to get the mouse.  Since there was no sign of a mouse having been caught by one of the cats my best guess is that it escaped, for now.

I checked e-mails and found the one with the credentials and instructions for the QTH.com web-hosting of SLAARC.com so I shared those with the other members of the SLAARC website team and then logged in to check out the log file I had created the other day as a test.

I decided to reconnect the Yaesu FTM-400 radio to the Diamond X-50 antenna on the tower so I could monitor the Novi and South Lyon repeaters while I worked in my office.  I had quite a mess on the ham shack desks and decided the best way to deal with it was to install Mike’s Icom IC-2820H in my car in place of our Icom V-8000 2m rig.  At least that would get the 2820 off the desk.  I checked that the mounting brackets and they were identical so I removed the V-8000 but left the mounting bracket installed in the car.

Mike had modified the power cord on his radio by cutting off the T-connector and replacing it with Andersen PowerPoles so I had to modify the power cable in my car to match as I could not modify Mike’s radio.  I removed the fuse from the positive (+12VDC) lead and then cut off the T-connector, leaving about 6″ of wire so I can add PowerPoles and make it into an adapter cable.  I brought my Hakko soldering station up from the basement, set it up on the floor behind the center console, ran an extension cord from the garage, and used it to solder PowerPole contacts to the two wires.  I then inserted them into the black/red housing pair and snapped them in place.

I mounted the IC-2820H, connected the power cable and connected the coax from the antenna.  I reinstalled the fuse in the positive lead, started the engine, and turned the radio on.  A couple of hams were chatting on the Novi repeater, one of whom I knew (Jim, KB8TAV).  When they finished I gave Jim a call and he came back to me, the first time I have been able to use the Novi 440 repeater from my car.  Jim signed off and I switched to the South Lyon 2m repeater and gave a general call.  Steve (N8AR) came back to me and we had a short QSO that verified the radio/antenna was also working on 2m.  As we were wrapping up Linda started fixing dinner.

Linda fixed a simple salad and Dr. Praeger’s vegan hamburgers with Daiya non-dairy cheese.  These patties were also squishy rather than firm and, like the ones at Zingerman’s Roadhouse the other night, where not very satisfying.  They tasted OK, and we ate them because we are not inclined to waste food, but there is a lot more to what makes food satisfying than just taste.  Sight, smell, and texture (mouth feel) are also important.

Linda had several TXT messages from Mara letting us know that she would be arriving tomorrow sometime before 2 PM as she wanted to watch the Wimbledon finals at that time.  Linda and I considered how best to accommodate Mara’s motorhome and finally decided to just pull our bus straight forward until the nose was at the edge of the concrete driveway.  That created more than enough space on the level part of the pull-through driveway for her to park and plug in to our 50 amp service.  The only loads we have in the bus at the moment are battery chargers so we used our 15 amp cord to plug it into a garage outlet.  Since I had to start it to move I switched it to high idle once I had it positioned, leveled it, turned on the OTR air-conditioning to put a load on the engine, and let it run for 30 minutes.

I returned to my office after dinner and work on the desk design for a while but by this point I was tired and not really in the mood.  The last time I updated the BCM page on our website was after the February 2015 issue came out.  I have had articles in the March, April, and May issues and will have articles in the June and July issues.  I captured the covers from March, April, and May and updated the page.

I exchanged e-mails with several people and spent some time looking at dual and triple monitor stands on EBay.  We rarely use EBay and the site made me change our password before it would let me log in.  There was a large selection of products but none of them were exactly what I am looking for.  There wasn’t any rush so I decided to revisit this tomorrow.

 

2015/07/10 (F) Eye of the Beholder

I was up at 7 AM and made coffee.  This usually wakes Linda up, but not this morning.  After waiting a reasonable amount of time I went ahead and started drinking.  If someone tells you that 7:30 is too early in the morning to be drinking don’t believe it, and if someone tells you that you should never drink alone don’t believe that either.

Linda eventually got up but looked really tired.  Unbeknownst to me she had awoken in the middle of the night and not been able to get back to sleep.  Neither of us were hungry after the large meals we had last night for dinner so we just had a little juice to wash down our little pills (vitamins and an allergy pill for me).

I’ve been looking for a system to wall-mount multiple flat-panel LCD monitors above/behind the desks in the ham radio shack portion of the downstairs office.  Linda was helping search for products and found AFC Industries in New York.  Their website had a large variety of very serious looking products.  The ones that caught my eye were a 72″ wall mount track with four articulated monitor mounts and a 48″ track with three mounts.  They had an 800 number and the website said to call for pricing.  That’s usually a bad sign but they appeared to have exactly what I needed so I decided to call them later.

I had planned to work on the custom desk design all day but Linda had other ideas.  She had become frustrated with the clutter in the library and the inability to really clean that room and decided that today was the day to do something about it.  Point acknowledged.  Some of the clutter (but not all) is artwork and she thought the place for us to start was to get some of it hung on the walls.  Again, point well taken and agreed.  Doing this correctly is a slow process, however, so I knew my plans for the whole day had just changed.  Sometimes you have go along to get along.

We have artwork that is not currently displayed which ranges in size from 8″ x 10″ to 2′ x 5′.  Some of it is framed and ready for hanging and some of it is not.  It is mostly paintings but there is some photography, a few poster prints, and some textile pieces.  We went through every piece looking primarily for oil paintings that we liked and that would fit the spaces we had available to hang them.  Before we were finished with this project for the day we had hung eight paintings.  We also found four paintings that we liked but lacked frames, or ways to hang them, and set them aside for now.  Most of the paintings were done by Ann Metzger, my late great Aunt, but one was done by my late mother.  We had also moved a few items out of the library into the driveway to be donated to the Salvation Army.  I tend to use drywall screws with large fender washers as hangers as they are strong and very secure.  We ran out of stainless steel fender washers so that created a natural stopping point for our task.

For a change of pace I decided to climb the tower to measure the center sleeve inside diameter so I could determine what outside diameter mast to get.  I got out Mike’s climbing harness, set up the step ladder, put on the harness, climbed up onto the roof, connected the waist strap around the tower, and started climbing.  I alternately attached and detached the two safety cables and made good progress until I got to the DB8e OTA TV antenna.  To go higher I would have to move from the west face to the northeast face and then undo the waist strap and reconnect it above the mounting point for the OTA TV antenna.  I did not feel like doing that today.  I was, however, able to reach the bottom of the sleeve by extending my tape measure.  The tip of the tape fit inside the bottom of the sleeve with what appeared to be about a quarter inch to spare.  I then climbed down and got off the roof, got out of the climbing harness, and put it away.

Back in the house the tip of the tape measured approximately 1-1/8″ across thus it appears that the sleeve is sized for a 1-3/8″ outside diameter mast.  I checked Universal Towers website, since they are located in S. E. Michigan, but their selection of aluminum masts did not include this O.D.  OnlineMetals.com has 1-3/8″ O.D. 6061-T6 aluminum tube in five different wall thicknesses and a large variety of lengths so that may be the easiest way to get one.  But first I will check the usual ham radio places.

Next I called AFC Industries and was routed to Ewa who was very curious what I was going to use the multiple monitors for since I was not a company.  I tried to explain why I would need at least three monitors in an amateur (ham) radio shack but she had never heard of ham radio and I don’t think I did a very good job of explaining it.  She was paying attention to what I was describing, however, about where I wanted to position the monitors.  She could not give me pricing on the phone so I gave her my e-mail address to send a quote.  Ewa was prompt in the sending the quote but I did not see it until later as we had the leftover seitan stroganoff for lunch and then left to run errands.

Linda had loaded our donation items in the back of my car while I was on the phone.  I brought seven paintings to the car and we left.  Our first stop was the Salvation Army donation center between Brighton and Howell.  We then went to the Howell Art and Framing Center, a frame shop on the east end of downtown Howell.  The proprietor, Rick, worked with us quite a while as we selected frames for four of the seven pieces and played with his Jack Russell terrier, Rudy.  These four pieces will go in the library when they are done in about three weeks.  Our final stop was Meijer’s where we picked up fender washers, salad greens, and coffee filters.

Back at the house I went to my office to check e-mail and work on the desk design.  The quote was there from Ewa and she had already made a follow up phone call so I opened the e-mail and looked at the quote.  It was almost double what I expected which was already double what I wanted to spend.  I e-mailed her back and asked for a simpler configuration but politely explained that her numbers were way out of my price range.  The interesting thing about such experiences is that the Ziotek products I’ve been looking at on the CyberGuys website suddenly do not seem so expensive.  It’s funny how that works.

While I was working I got a TXT message from Chuck following up on the refrigerator installation.  I texted back that I had not yet checked whether we can open the fixed glass window frame but would do so immediately and call him back.  I moved the 7′ step ladder next to the bus and climbed up to inspect the stop blocks as Linda pushed the window open.  The two stop blocks on that frame were definitely contacting the drip rail immediately above them preventing the frame from opening more than about 8 to 10 inches at the bottom.  The good news was that the Zip Dee patio awning would not interfere with the opening of the window.  The bad news is that I was not able to remove the two Philips head screws that secured each block to the frame.

I called Butch to find out what the tool was that I used at his shop to work on my brakes.  He said it was a manual impact tool.  This nifty little device is a screwdriver that turns through a small angle when you strike the end of it with a hammer.  This has the unique benefit of driving the screwdriver bit into the screw head while turning.  Butch thought that any auto store would have these so I called the local O’Reilly’s but they did not have any in stock in the store.

While I was talking to Butch Linda was researching other places to buy such a tool.  It turned out that Sears would be a good choice but the closest one was at Twelve Oaks Mall over 20 miles away.  I was getting ready to drive there but called Chuck first.  It turned out that he has two of them so I will borrow one tomorrow after our ham radio club breakfast.  I spent the last couple hours of the evening working on the desk design.  I then went to bed and worked on this post.