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10-29-2012, 09:54 PM #1
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Another Chiller Teardown & Rebuild
770 ton Trane CVHF, bearing failure and a worn oil seal
Removing the economizer
Economizer sealed up for storage to prevent rust
Rigging of suction elbow
Removing suction elbow
Suction elbow covered to prevent rust
Compressor and evaporator flanges covered to prevent rust and prevent debris from falling in
Preparing to remove suction cover
Removing suction cover
Rigging the suction cover down and a shot of one of the work-tables where all of the tools return when we are done with something
Checking the run-out of the 1st stage impellerTruth is still truth, even if no one believes it. A lie is still a lie, even if everyone believes it.
"It's called the american dream because you have to be asleep to believe it" -George Carlin
"A nation of sheep begets a government of wolves" -Edward R. Murrow
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10-29-2012, 10:07 PM #2
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This is where the inter-stage shaft seal mounts on the 1st stage diffuser
Looking at the motor journal bearing support with the oil seal, mounting plate, and internal oil line removed
Setting up the dial indicator to make sure we do not move the shaft too much when we remove the bearing and bearing support
Another shot of the dial indicator setup
The failed journal bearing
Dowel pins installed to make sure the bearing support goes back exactly where it was before
Removal of bearing support - we monitored the shaft at all times with the dial indicator as it could move no more than .003" in any direction
Another shot of the removed journal bearing support and the bad back oil seal
Inside the motor
Last edited by Tech Rob; 10-29-2012 at 10:23 PM.
Truth is still truth, even if no one believes it. A lie is still a lie, even if everyone believes it.
"It's called the american dream because you have to be asleep to believe it" -George Carlin
"A nation of sheep begets a government of wolves" -Edward R. Murrow
"I have problems just like you. One time, my dancing horse almost fell into my car elevator" -Mitt Romney
Buy american made goods & support locally owned businesses!
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10-29-2012, 10:16 PM #3
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Something wrong with the second post, I cant see the pictures, first post is ok.
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10-29-2012, 10:26 PM #4
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Fixed. This new site format is glitchy.
Originally Posted by y7turbo
Truth is still truth, even if no one believes it. A lie is still a lie, even if everyone believes it.
"It's called the american dream because you have to be asleep to believe it" -George Carlin
"A nation of sheep begets a government of wolves" -Edward R. Murrow
"I have problems just like you. One time, my dancing horse almost fell into my car elevator" -Mitt Romney
Buy american made goods & support locally owned businesses!
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10-29-2012, 10:40 PM #5
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Works now, Thanks for sharing. Originally Posted by Tech Rob
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10-29-2012, 10:50 PM #6
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Thanks for checking it out and commenting! Originally Posted by y7turbo
Works now, Thanks for sharing.Truth is still truth, even if no one believes it. A lie is still a lie, even if everyone believes it.
"It's called the american dream because you have to be asleep to believe it" -George Carlin
"A nation of sheep begets a government of wolves" -Edward R. Murrow
"I have problems just like you. One time, my dancing horse almost fell into my car elevator" -Mitt Romney
Buy american made goods & support locally owned businesses!
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10-29-2012, 10:51 PM #7
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Any idea on what the weights were on the parts you removed?
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10-29-2012, 10:58 PM #8
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Economizer 840#
Suction elbow 700#
1st vane assy. 400#
Suction cover 1700#
Inter-stage 2000#
Also a couple of smaller items between 50# and 200#Truth is still truth, even if no one believes it. A lie is still a lie, even if everyone believes it.
"It's called the american dream because you have to be asleep to believe it" -George Carlin
"A nation of sheep begets a government of wolves" -Edward R. Murrow
"I have problems just like you. One time, my dancing horse almost fell into my car elevator" -Mitt Romney
Buy american made goods & support locally owned businesses!
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10-29-2012, 11:34 PM #9
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that is cool! it looks like you know what your doing
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10-29-2012, 11:41 PM #10
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Thanks! My motto is "fake it until you make it"!!!
Truth is still truth, even if no one believes it. A lie is still a lie, even if everyone believes it.
"It's called the american dream because you have to be asleep to believe it" -George Carlin
"A nation of sheep begets a government of wolves" -Edward R. Murrow
"I have problems just like you. One time, my dancing horse almost fell into my car elevator" -Mitt Romney
Buy american made goods & support locally owned businesses!
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10-29-2012, 11:49 PM #11
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Originally Posted by Tech Rob
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10-30-2012, 12:45 AM #12
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Wow. thanks for sharing the pics. I would love to do a tear down like that. nice job!
RTFM!!!
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10-30-2012, 08:57 AM #13
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I've never seen that bearing bracket removed while the motor is still mounted to the discharge volute. Do you plan to replace the motor-to-volute o-ring? How about the discharge volute-to-condensor o-ring? Appreciate the pics. Very nice equipment room... once you get past the chilled water lines above the starter.
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