This means the item has been inspected, cleaned, and repaired to full working order and is in excellent condition. An abrasive “scotch wheel” on a rotating arbor is used to evenly “grain” the aluminum handle along it’s length on all surfaces. The cover is then carefully dried with a “just-laundered” and tumble-dried without softener sheets plush cotton towel while using a strong “back light” to confirm there are no streaks in the window area and great care is needed not to snag the tiny and fragile “zero-adjust” pin that resides in the cover. Refer to eBay Return policy for more details. This means the item has been inspected, cleaned, and repaired to full working order and is in excellent condition. This entire process must be monitored visually while using a light touch and continuous movement to prevent permanent and irreversible damage caused by overheating and melting of the fragile plastic material.
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TECHNIPOWER GENRAD GENERAL RADIO W5MT3AW TRIPLE METERED TEST BENCH VARIAC >NEW | eBay
genras When polishing a thermo-plastic knob, the entire process must be monitored visually while using a light touch and continuous movement to prevent permanent and irreversible damage caused by overheating and melting of the fragile plastic material. The front cover is washed inside and out using warm water and dish soap and a soft bristled brush to get in tiuch corners and completely rinsed in warm water.
That’s why people use mylar or other kinds of aluminized plastic. Seller information davidriddle Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc.
Linear Touch™ + Mechanical Overclamps, Manual Side Access
The knob is carefully aligned to match dial-plate markings and is securely fastened to the variac operating shaft. The polished variac knob is the last component installed to protect it’s cosmetic appearance. After the previous steps have been completed tohch the meter mechanism, scale and shield cup are all in place, the calibration process can begin. Add to watch list. The foaming doesn’t seem that hard, I can use alufoil, some ggenrad sided tape, and. When the meter is zeroed, the zero-adjust lever should reside very close to the center genrzd its travel.
If the meter is not linear, there is an additional adjustment point usually to the left of the coarse adjustment point that is utilized to calibrate the upper portion of the scale.
Calculate Varies based on location and shipping method.
Back to home page. Have one to sell? Impedance bridges compare electrical impedances, which may contain inductance, capacitance, and resistance. Have one to sell?
The heated plate is removed from the oven and immediately placed on a spinning rpm painting “turntable” while the clear lacquer sprayer or can is held at least inches above the plate allowing the fine mist of droplets to land evenly gennrad of the rotation across the entire benrad surface.
If small areas of the plate are missing fill paint after sanding, it can be carefully hand touched-up with a small brush to correct any defects. The meter is placed in an exact horizontal position with the scale facing up and the zero-adjust lever is moved until the needle is set precisely to zero on the scale.
If only the front cover is replaced, the egnrad cover and the meter mechanism must be disassembled and thoroughly cleaned to prevent re-contamination after final assembly.
DAVID RIDDLE’S VARIAC RESTORATION PROCESS DETAILS © 11-4-16
The “calibrator” is electrically connected to the meter under test and the meter is precisely zeroed in the axial position it will usually reside in during use. Sun Aug 05, 8: Public Domain Mark 1. I use a brand-new, special, long, thin razor blade and an “Exacto” knife, to carefully cut away the genrxd tape around all of the nomenclature and then the remaining masking tape is “stripped” away. If the brush track has surface damage, it is “wet hand-lapped” with various grades of abrasives course to ultra-fine,grit until it is absolutely flat and smooth and is then heavily electroplated with a silver alloy for high electrical conductivity and to resist oxidation.
We Ship via UPS ground unless otherwise specifiedcharges are calculated upon the weight of the item, the cost of shipping, packaging, and insurance to toch location from California. So this particular project has been a bit of an Odyssey, from mapping out its screwed up matrix to fixing retrobright gone all sorts of wrong.
Vintage General Radio Random Noise Generator | eBay
The tinned wire ends are formed into hooks with “needle-nose” pliers for insertion into the various solder tabs and terminal holes of the interconnected internal components. Tiuch use a cotton “Q-tip” to spread a tiny amount of detergent evenly inside the cover and then additional clean and dry Q-tips to polish the soap-film to invisibility.
On and off for months when I had a little downtime watching tv or youtube with grit and then then polish paste. I don’t like the hard foam as venrad affects key feel but very nice job overall!
The numbers shoot up very quickly once toucj pad makes actual contact with the board but it’s not a gradual thing like I would see in my Digitran leafs where I can very directly control the actuation depth from super shallow to bottomed out. Two-prong plugs and receptacles are replaced with new three-prong types all wire, metals, etc.
If both readings are low or both high in the same amount, a course deflection adjustment is made.