Ranger Series 515 Cl Compass

I have my old Silva Ranger 515 Compass it is in perfect condition after so many yrs, and now it has a bubble I don’t have $250 to spend on a repair are there any manuals on how to take it about and repair my compass ?
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Very difficult. See the annual index of Wooden Boat Magazine.

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All Ritchie magnetic compasses should be completely filled with fluid. If your compass has a bubble or no fluid, most likely, the compass needs to be repaired or replaced.
Borax or Aluminium powder is added to remove air bubbles. The air bubbles escape from the glass in this process. Aluminium powder/Borax settles at the bottom and it can be easily separated.
Usually, the bubble will disappear when the compass is returned to sea level and/or room temperature. If it doesn`t, place it in a warm spot-like a sunny windowsill-so the liquid can heat, expand, and return to it`s normal volume.
This is a potentially serious condition. When an air bubble enters a vein, it`s called a venous air embolism. When an air bubble enters an artery, it`s called an arterial air embolism. These air bubbles can travel to your brain, heart, or lungs and cause a heart attack, stroke, or respiratory failure.
Introduction to air bubbles in liquid handling devices

Removing air bubbles will eliminate false readings and other dispensing anomalies and simultaneously improve the volume precision and dispensing accuracy of the instrument.

In some cases, patience is the key to getting rid of air bubbles; just wait for 24 to 48 hours and the bubbles may simply work themselves out. If time doesn`t do the trick, there`s a good chance you have an air bubble removal tool in your wallet.
Mild detergents such as Sport Wash, Tide Free, or Cheer Free work best. If a stain remains, a solvent may be needed to remove the stubborn stain. It is recommended to use odorless mineral spirits, dry cleaning fluid such as perchloroethylene or Fantastic Orange Action All Purpose Cleaner.
Your compass can also be temporarily thrown off course by using it too close to some metal objects (such as cars made of steel with an iron engine block) or electromagnetic fields generated by electricity cables. Bubbles! sealed capsule of fluid (often white spirit, paraffin or another mineral oil).
When converting a compass bearing to a true bearing one must first remove the deviation. This will provide one with a magnetic bearing. By next applying the variation correction one will finally arrive at the true bearing. If the deviation is easterly, it must be added to the compass bearing.
When a bubble is poked, a hole forms and surface tension causes the molecules to shrink so quickly that the bubble flattens or bursts and the water escapes as tiny droplets. The second reason a bubble pops is because its water evaporates. Because the film around bubbles contains water, it will evaporate over time.
The pressure inside the bubble is greater than the air pressure outside the bubble, because you blew extra air into it. This results in a force pushing outward on the bubble, but the bubble does not explode because there is an inward force to balance this outward one. The inward force is the result of surface tension.
A good compass will last a long time. However, some things can go wrong with a compass: the plastic components can break, or the housing can develop a leak. Over time, the fluid within the housing may turn an opaque blue-green.
A bubble is a thin film of soapy water. Most of the bubbles that you see are filled with air, but you can make a bubble using other gasses, such as carbon dioxide. The film that makes the bubble has three layers. A thin layer of water is sandwiched between two layers of soap molecules.
Metal that has a lot of iron in it known as ferrous metal can impact a compass. A large object such as a car or tower can draw the magnetized needle, making a precise reading difficult to secure. Even soil with a lot of iron in it can tweak your results.
All of magnets are permanent magnets,the earliest compass is found in China and use ferrite magnet. The ferrite performance is very stable,so it can be used for more than 2 thousand years and also used in many speaker equipment. Even though the magnets in compass have a little broken,the compass also can work normally.

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How to get rid of a large bubble in my compass
ANSWER : Very difficult. See the annual index of Wooden Boat Magazine.

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I have a 2001 Yamaha XL700Z Waverunner. The compression on both cylinders is about 120, it starts and runs fine – dry. Won’t quite idle, but I can start it and rev it up fine (for a short period, of course). However, as soon as it gets in the water, it will barely run – it will start and sputter and you cannot get it to run more than a few seconds or rev up. Take it back out, let it dry, starts & revs fine. It is not getting any water in the casing that I can tell, its almost as if water is getting something wet through the cooling system that I cannot see?
ANSWER : Try cleaning the carbs and the fuel lines, filter

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I have a TX500, never been used (just out of the box) and had to get an electrician to my home for this problem. It will start rolling but quits in a few seconds. The electrician believes that it is a problem in the sensor that rides at the belt. There is only one sensor in the pulley; he thinks that perhaps there should be two as there is a hole placement opposite the one that is in there. When the belt quits, it goes to a number 3 on the board which he thinks is the sensor as well. If he is correct, where do we get another magnet to place there? If he is not correct, please offer help. We did not get a owners manual in the box and surely could use one; where can we get one? Please help…thankyou
ANSWER : Hello,I believe the best thing to do at this point is to look for a way to get the manual of the device, this will give a full guide and better understanding on how to fix this problem.Check maualnguide.com to search for the manual of the device, the link provides almost all manuals to all device.Take care.

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Hi, I have a commercial grade treadmill, the Technogym Run 600XT Pro that gives the error code E5 (incline fault) that I can’t get rid of. What happened was that after cleaning under the motor cover and turning the treadmill on again this code appeared. What had happened was a wire had come off what looks like a safety switch on the side which I assume trips if the treadmill goes too high. Put the wire back on now I can’t get rid of this error code. Is there a way to reset it from the console please as there isn’t a fault and it was working fine before the wire came off (it didn’t touch anything). Thanks a lot.
ANSWER : Hi.If there is incline fault, then the sensor must be calibrated. The error may happen even if you do not do anything. sensor goes out of calibration and you get e5. The only reset you can do is by disconnecting power and removing console batteries if installed (that depends on the treadmill model).I suggest contacting Techogim and following the procedure to calibrate the sensor. Contacts are listed at the right hand side of this page, click: Contact Us.

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I am trying to get the pictures from my camera finepix j210
ANSWER : Depending on computer, some computers will not be compatible with different software. Try finding a different driver for that particular software.

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Pulley system “off track” inside main frame of 2005 boflex revolution
ANSWER : I had same problem. I fixed it by taking plastic sides off using a long phillips head screwdriver. Jay, you don’t have to take the sides off to fix your problem. The sides come off only to untangle and rewind cables on pulleys. Pull the cables all the way out. Have a helper pull out and keep holding out the tension knob This is shown at the bottom of page nine in the manual. With someone holding the tension knob out turn the large pully located beneith the tension knob CLOCKWISE! I screwed mine up by turning it counter-clockwise. This winds the handle to the top and if you start with all the cable pulled off the pully, the cable should then wind itself nicely back onto the pully. Once the handle is all the way up, with the round ball on the cable jammed up against the pully, then and only then let go of the tension knob and let it fall back into place. If the handle falls down a few inches repeat this proceedure but push lower pully a bit harder and try to turn tension knob, while it is pulled out, in the opposite direction and it will then click into place one notch tighter and should hold the black ball on the cable firmly against the pulley. Let me know if this was helpful.


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I own an 1992 Yamaha Phazer II PZ 480. I have done a bunch of work trying to get this hunk o stuff going. I have good spark and compression from the motor. I rebuilt both carbs and both clutches it starts and runs fine but when I try to move it just boggs down- no power? Where should l look next to get this thing moving again? I work at a Marina that used to service sno-mobiles so I have the tools to get it done. Could you maybe send me an assembly diagram of where to look and what to do next? Thanks
ANSWER : For an assembly diagram, contact Yamaha directly.

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