@mechanicallyincleyend: Vacuum pump question #hvac

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Region: US
Thursday 22 July 2021 11:19:27 GMT
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sheepdetector
sheepdetector :
Definitely not
2021-07-22 17:20:53
24
bumblescratch
Bumblescratch 🐝 :
Yes. I work on large chillers and usually pull 24hrs plus.
2021-07-23 22:38:06
11
faultier90
user8601286839159 :
Naw. When it turns green or the vacuum doesn't go down far enough.
2021-07-23 07:03:24
8
refrigdude
Justin :
Every time! 🤥🤥🤥
2021-07-22 14:41:20
7
hvac_goth
Tyler :
only if it's taking for than 5 min to get below 400. then I change the oil. if it still won't pull below 200 after that, I give it a nitro sweep.
2021-07-22 14:29:35
6
ricky...chalk
RICKY CHALK :
I learned something,,,never changed mine,,, but will now
2021-07-22 15:22:19
4
john_k_riverside
JohnK :
we hust added more every time it fell over and ran out all over the bed of our truck. like once a week
2021-08-17 09:07:14
3
justadad711
Just a Dad :
I've been taught only to change it if it changes color or if you are vacuuming different refrigerants
2021-07-23 23:35:22
3
user58359294
Steve :
sure ... you should
2021-07-22 17:48:59
2
racer14jc
james collier :
every 3rd ir 4th use.
2021-07-23 21:24:04
2
imjwest31189
JRob :
My refrigerant instructor at school and told us we’re supposed to change it every time we use it
2021-07-22 16:51:46
1
joshsmith16903
Josh Smith :
If it pulls down to the specified pump micron with a gage directly on the pump. why?
2021-07-24 06:18:25
1
clintgolden6
Clint Golden :
every time, I've been known to break vac change oil and revac
2021-07-24 22:38:35
1
refuse.illegal.commands
conservatives.are.stupid :
no
2021-07-23 22:53:30
1
kickassusa
kickassusa :
Haven’t changed in 10 system change outs but I’m diy, not a pro
2021-07-22 14:42:08
1
hvac214
Lavender AC :
Yes once the microns get down under 1000 I’ll change the oil with out turning off the machine
2021-07-22 12:38:47
1
sabisusa
Sabi :
yup
2021-07-22 15:20:21
1
peterpetercottoneater
Jack Mehoff :
Hell no
2021-07-26 00:58:28
0
tllssab
Gavin :
Nope
2021-07-25 21:34:06
0
ambatson_88
Ambatson88 :
Yes makes a big difference and I do residential.
2021-07-26 01:04:01
0
itsspelledsean0
Referwrench :
Appion makes it hard not to. When you look at the oil and the oil looks back at you 😂
2021-07-27 13:37:22
0
mathuews
Kevin :
You wait to do an entire pull before changing it? 😳 If I get halfway through a pull without changing the oil I feel like I'm wearing it out!
2021-08-06 06:00:13
0
beauriffs
BeauRiffs :
its usually all over the bosses truck bed because he doesn't secure it so.... no but I always add fresh lol
2021-08-12 18:17:10
0
lisnmachinery
Mandy -Vacuum :
It depends on what you vacuum, normally no need to change so frequently 😁
2022-03-10 00:46:13
0
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