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Manual acquired with good resolution, complete in all its pages, very good policy of the folder where are saved all products purchased.
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Service manual very complete and clear. It was very helpfull for my work.
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This is the 2nd time I download manuals from this website and I can say it's what I was expecting. It contains schematic, layout (decent quality), short description, parts and dissasembly instructions. I recomend it for anyone who wants to repair/modify this device.
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Very useful Service Manual! With it I was able to identify the damaged pots in my old amplifier, purchase the adequate replacements and make myself the repair.
I have again my old amplifier, still a very good one that I will keep for as many years as I can!
Thanks to Owner Manuals!
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Good price for the manual and easy to locate on the site and download. Plus, just like the original. Thanks a lot.
w General Control of Refrigerating Cycle
NO.
ITEMS
WELDING ROD
CONTENTS AND SPECIFICATIONS
(1) H 30 (1) ¥ Chemical Ingredients (1) ¥ Ag: 30%, Cu: 27%, Zn: 23%, Cd: 20% (1) ¥ Brazing Temperature: 710~840¡C (2) Bcup-2 (1) ¥ Chemical Ingredients (1) ¥ Cu: About 93% (1) ¥ P: 6.8~7.5% (1) ¥ The rest: within 0.2% (1) ¥ Brazing Temperature: 735~840¡C (1) ¥ Ingredients and how to make (1) ¥¥Borax 30% (1) ¥¥Borax 35% (1) ¥ Fluoridation kalium: 35% (1) ¥ Water: 4% (1) ¥ Mix the above ingredients and boil until (1) ¥ they are transformed into liquid. (1) Assemble the drier within 30min. (1) after unpacking. (2) Keep the unpacked drier at the temperature of 80~100¡C. (1) When measuring with pirant Vacuum (1 )gauge the charging M/C, vacuum (1 )degree is within 1 Torr. (2) If the vacuum degree of the cycle inside is (2) 10 Torr. below for low pressure and 20 Torr. (2) for high pressure, it says no vacuum (2) leakage state. (3) Vacuum degree of vacuum pump must be (3) 0.05 Torr. below after 5 min. (4) Vacuum degree must be same to the value described item (2) above for more than 20 min. (1) The pressure of dry air must be more han 12~16kg/cm2 (2) Temperature must be more than -20~ -70¡C. (3) Keep the pressure at 12~6kg/cm2 also (3) when substituting dry air for Nitrogen Gas.
REMARKS
¥ Recommend H34 containing 34% Ag in the ¥ Service Center.
1
FLUX
2
¥ Make amount for only day. (1) ¥ Holding period: 1 day ¥ Close the cover of container to prevent dust ¥ putting in the FLUX. ¥ Keep it in a stainless steel container.
3
DRIER ASM
¥ Don't keep the drier in a outdoors because ¥ humidity damages to it.
VACUUM
4
¥ Apply M/C Vacuum Gauge without fail. ¥ Perform vacuum operation until a proper ¥ vacuum degree is built up. ¥ If a proper vacuum degree isn't built up,¥ ¥ check the leakage from ¥ the Cycle Pipe line part and ¥ Quick Coupler Connecting part.
5
DRY AND AIR NITROGEN GAS
6
NIPPLE AND COUPLER PIPE
(1) Check if gas leaks with soapy water. (2) Replace Quick Coupler in case of leakage.
¥ Check if gas leaks from joint of the ¥ Coupler.
7
(1)Â¥ Put all Joint Pipes in a clean box and (1)Â¥ cover tightly with the lid so that dust or (1)Â¥ humidity is not inserted.
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