Question about Robinair Cool Tech 34700Z Recovery, Recycling, Recharging

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I have a robinair cooltech 34700z that will not recover

It only recovers a small amount at a time says draining oil and even if the pressures are still full it stops the recover prosses

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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mhkamran
  • 180 Answers

SOURCE: ROBINAIR 34700Z ALWAYS FAILS VACUUM CHECK AND

Please check the following: Low side manifold gauge is going to -13"HG while you recover refrigerant from the vehicle.If low side gauge not rich to that lavel then vacuum sensor will detect pressuer &
it will stop you to make vacuum until you fix the problem.If it happen you may nee to rebuild/replace one or more of this solenoid.1#Vacuum solenoid 2# Recover solenoid.3# Recycle solenoid.Also check Low/High side small solenoids ( In the small block assy.)
If all of this solenoids working properly then check Vacuum pump capacitor & vacuum sensor.Hope this will help you to solve your problem.

Posted on Apr 09, 2010

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mhkamran
  • 180 Answers

SOURCE: ROBINAIR 347002K WON'T INJECT OIL

I think you'v try to inject the oil from ''WRONG'' side,as you say RECOVER/VACUUM which is LOW side manifold valve. You should inject the oil from HIGH side ( Turn the high side valve to CHARGE/OIL INJECT after vacuuming & low side vulv to CLOSE possition ) with pressing F1 key. once you press it then hold the key as long as you wish to inject the oil. If you try this way & you still have problem with oil injection then you may need to check oil injection CHECK VALVE or oil injection SOLENOID ( Both located under Hidg side panel mountin valve). NOTE: UV Dye is not a problem for oil injection! I hope this will help you to solve the problem,Good luck. Don't forge to vote for my solution!

Posted on Jul 10, 2010

mhkamran
  • 180 Answers

SOURCE: The high pressure unit is disabled in my Robinair

This is a common problrm of Robinair 34700Z / 347002k & 347112k series machine.so don't worry just do the following :- 1# Verify the ISV tank is not overfilled.if full,remove refrigerant manually from tank. 2# Verify if there is high pressure in the tank.Purge excess air from the tank manually.( Open air purge hose from the tank,then press tank valve as needed) 3#Check the high pressure switch for proper operation,if not then replace high pressure switch.Hope this will solve your problem, if so please vot for it

Posted on Jan 04, 2011

mhkamran
  • 180 Answers

SOURCE: Hi, my robinair 34700Z dispays

You can try the following:1# Check (In main manifold assy.) recovery solenoid (No-1) and make sure coil is not burne or may need to rebuild. If so,replace new coil or rebuild solenoid flunger.2# Check (In small manifold back side of the machine) Inlet low & high side solenoids (small solenoid's No-10/11, and No-13/14) is receiveng power & opening properly.
Also you may need to calibrate pressure transducer or replace new one.
Hope this will help you. Good luck!

Posted on Mar 31, 2011

mhkamran
  • 180 Answers

SOURCE: we have a robinair cooltech 34700z, looking for

For change vacuum pump oil follow the bellow step: Press main menu then keep pressing up or down arrow key till display show "CHANGE VACUUM OIL" then press "YES" key. Now vacuum pump will run for two minute & stop automatically. When pump stop you just open the oil drain cap and drain all used oil from pump (oil drain cap located outside of the machine near high & low side hose). After draining all used oil replace oil drain cap and fill 5 ounce new ROBINAIR vacuum pump oil then press "YES" key and keep filling oil up to middle of sight glass of vacuum pump. Press "STOP" key to complete the process.

NOTE: Do not over fill the pump & do not use any COMPRESSOR oil on the vacuum pump!
Hope this will help you & if it is please vote for my support
.
Hope this will help you. If so please vote for it. Good luck

Posted on May 06, 2011

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1 Answer

MY 34700Z ON RECOVER SAYS LOW PRESSURE, IT EVACUATES OK BUT SHOOTS OIL INTO OIL BOTTLE UNDER PRESSURE @ SAME TIME


your recycle solenoid is stuck open. the oil drain switch works by building pressure up to 16 psi then the recycel solenoid shuts off and the oil drain solenoid opens. if the recycle solenoid is stuck open you will get liquid 134 out when it is draining

Nov 19, 2012 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

We have a robinair cooltech 34700z, looking for directions to change pump oil, can anyone help? thanks


For change vacuum pump oil follow the bellow step: Press main menu then keep pressing up or down arrow key till display show "CHANGE VACUUM OIL" then press "YES" key. Now vacuum pump will run for two minute & stop automatically. When pump stop you just open the oil drain cap and drain all used oil from pump (oil drain cap located outside of the machine near high & low side hose). After draining all used oil replace oil drain cap and fill 5 ounce new ROBINAIR vacuum pump oil then press "YES" key and keep filling oil up to middle of sight glass of vacuum pump. Press "STOP" key to complete the process.

NOTE: Do not over fill the pump & do not use any COMPRESSOR oil on the vacuum pump!
Hope this will help you & if it is please vote for my support
.
Hope this will help you. If so please vote for it. Good luck

Apr 08, 2011 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

I have a robinair 34788 machine and when I am recovering a system for service the recover feature no longer completes down to the oil drain. Its like it gets stuck on recover.... and by that I mean it...


It's sound like problem with oil drain solenoid or harness. please check harness of oil drain solenoid. If harness is ok & connected with relay board then you need to replace oil drain solenoid.

Oct 11, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

Machine says pressure exist unable to vacuum system down


It's not clear that you machine is doing recover or not! If the machine is doing recover theh follow the bellow steps.This is a common problem of Robinair 34700Z / 347002k

Sep 16, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

ROBINAIR 347002K WON'T INJECT OIL


I think you'v try to inject the oil from ''WRONG'' side,as you say RECOVER/VACUUM which is LOW side manifold valve. You should inject the oil from HIGH side ( Turn the high side valve to CHARGE/OIL INJECT after vacuuming & low side vulv to CLOSE possition ) with pressing F1 key. once you press it then hold the key as long as you wish to inject the oil. If you try this way & you still have problem with oil injection then you may need to check oil injection CHECK VALVE or oil injection SOLENOID ( Both located under Hidg side panel mountin valve). NOTE: UV Dye is not a problem for oil injection! I hope this will help you to solve the problem,Good luck. Don't forge to vote for my solution!

Jul 10, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

I have a a modle 34788 robinair cooltech my day shift messed it up is there a way to fix my problim? it wont recover at all. all other functions work (with the lines off i can get it to vacumme)when i hook...


Please check 1# The compressor suction line with a vacuum gauge & make sure it has 13" HG of suction while you active recover. if not then you need to replace the compressor. 2# Check spin-on filter O rings are fixed properly it may missing or lose, also check filter capacity (amount of refrigerant you have been recover sinc last filter change.every 68KG or 150LBS of recovery you must change spin-on filter)

Jun 25, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

ROBINAIR 34700Z ALWAYS FAILS VACUUM CHECK AND WON'T INJECT OIL.SAYS PRESSURES EQUAL.


Please check the following: Low side manifold gauge is going to -13"HG while you recover refrigerant from the vehicle.If low side gauge not rich to that lavel then vacuum sensor will detect pressuer &
it will stop you to make vacuum until you fix the problem.If it happen you may nee to rebuild/replace one or more of this solenoid.1#Vacuum solenoid 2# Recover solenoid.3# Recycle solenoid.Also check Low/High side small solenoids ( In the small block assy.)
If all of this solenoids working properly then check Vacuum pump capacitor & vacuum sensor.Hope this will help you to solve your problem.

Apr 09, 2010 | Robinair Cool Tech 34700Z Recovery,...

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