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12-03-2010, 02:54 PM #1
Frick TDSH 355 oil press. problems
I have a Frick TDSH 355 that has an oil pressure trouble, this is a well used machine and has over 40000 hrs on it, and has had very little work/service done on it.My service tech has called Frick and they are hardly any help, any suggestions?
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12-03-2010, 10:21 PM #2
Re: Frick TDSH 355 oil press. problems
Check the oil filters would be a good start.
magoo
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12-03-2010, 11:44 PM #3
Re: Frick TDSH 355 oil press. problems
Yep , done it, I have been all over this machine, I am thinking it is enternal, I ahve two with low oil pressure.
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13-03-2010, 12:34 AM #4
Re: Frick TDSH 355 oil press. problems
Hi, SQUATCH1
how low is your oil pressure no data from you ...
what happen when compressor stops .... which alarms you have ....
this is guessing......
..... Discharge temperature very low. Oil temperature low and oil may be foaming in oil separator
..... Excessive liquid in suction line / liquid slugging. Check evaporator and economizer and expansion valve function.
..... Liquid injection overfeeding. .....Check the settings in control system (increase the set point). Check the stability of the liquid injection.
..... Oil pressure rapidly drops off when compressor starts. Results in compressor differential alarm Main oil injection throttling valve too wide open or oil pressure regulating valve improperly adjusted. Readjust both valves.
..... Oil pressure fluctuates. Liquid injection overfeeding or refrigerant flood back from system. Make necessary adjustments or corrections.
maybe will help a little ... possible not ... after 40000 working hours
Best regards, Josip
It's impossible to make anything foolproof because fools are so ingenious...
Don't ever underestimate the power of stupid people when they are in large groups.
Please, don't teach me how to be stupid....
No job is as important as to jeopardize the safety of you or those that you work with.
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13-03-2010, 05:55 AM #5
Re: Frick TDSH 355 oil press. problems
Sorry gentlemen, 40 000 hours?, overhaul.
The tightness of the valve certainly does not work, balance piston? large loss of oil pressure.
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15-03-2010, 05:16 AM #6
Re: Frick TDSH 355 oil press. problems
This big girl has the two stage/dual feed to the balance piston, i think. That may be the easiest solution. 40k is high, if you can't pull it, you should budget for a re-man before you're stuck.
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