Question about Craftsman 1 Hp, 4 Gal. Air Compressor

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Craftsman Air compressor outlet tube assembly

I have a craftsman air compressor model 919.166442. 150 PSI 16 gallon tank. The outlet tube has split. Is this difficult to repair?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1383 Answers

SOURCE: craftsman compressor will not come up to pressure

Don"t worry, even the best techs overlook a thing or two during repairs. Lets go over some basics to determine where fault is located. You will need to do some simple tests. If there are leaks the compressor may not reach set pressure. I use soapy water on all connections and on the head/headvalve while compressor is running. Make repairs as necessary. If still low pressure, while compressor is running and has reached max obtainable pressure (still low 70 - 80 lbs), carefully place finger over intake port hole (remove filter). If the compressor is pumping normally but leaking there will be ample suction at intake and cause the compressor to speed-up when intake is obstructed with finger. If you feel plenty of suction and no visible (soapy water) leaks, then the problem is probably the cylinder /ring is not correctly seating and air is leaking past cylinder. Make sure that the cylinder /piston ring is properly alighed and that the lip on the vinyl ring is up toward the head. If you do not feel suction but rather air seeming blowing out of the intake, then the problem is the headvalve plate/reed valves are leaking. The reeds must seal perfectly on their seats and not bent or have obstruction. Replace as necessary. Only one other thing to check and that is the intank check valve. Easy to check. Run compressor till you have about 70 lbs in the tank then unplug compressor. Carefully loosen the inlet hose at checkvalve and listen for air leaking out of tank. If leaking replace checkvalve. Use caution when removing head to try and save the gaskets. Good luck on your repair and email if you have other question.

Posted on Apr 22, 2009

manhandy
  • 146 Answers

SOURCE: craftsman 15 gallon air compressor 150 psi is not

leak, listen without any hose attached to it

Posted on Jun 26, 2009

woobie dog
  • 1273 Answers

SOURCE: air compressor will not switch on

Make sure that your outlet has power to it. With the compressor unplugged, open the cap on the pressure switch. Work the on/off switch and see if the contacts are engaging/disengaging. If they are carbonized, you can clean them with a fine sandpaper or emery board. Look for loose wiring and tighten all wiring connections.
Regards, --W/D--

Posted on Jul 19, 2009

  • 5603 Answers

SOURCE: My craftsman air compressor model 919 16737 1.1 hp

Probably the check valve has failed. It apparently is where the pipe goes into the tank from the compressor.

Posted on Aug 24, 2009

mxc2
  • 146 Answers

SOURCE: what is the torque specs for a cylinder head for a

The spec is 25-30 ft lbs.

Here are the specs.

http://shoppingcart.msservicecompany.com/msservice_net/product_files/D22629/d22629.pdf

Posted on Oct 10, 2010

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1 Answer

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Cbillgreene:

Your compressor is leaking air somewhere between the compressor head and the tank. With the compressor running, feel carefully around the ends of the tube that leads from the compressor head to the air tank. You will probably feel some air leaking around one end or the other. If so... remove the tube and find out which packing has failed.

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Hi sugarplum10...
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Please take time to rate me

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CRAFTSMAN Air compressor Model: 919167450. IT'S GOT A LEAK" SO FAR SEEMS LIKE AIR ESCAPING AT CONNECTION OF COMPRESSOR TO TANK. THE COMPRESSOR THEREFORE DOESN'T SHUT OFF COZ PRESSURE LIMIT(PSI) IS...


Manual:
http://www.managemylife.com/mmh/owner_manuals/8336/CRAFTSMAN-Air-compressor-L0809089

Schematics:
http://www.searspartsdirect.com/partsdirect/partsdirect/showSubComp.pd?imageUrl=http%3a%2f%2fc.searspartsdirect.com%2flis_png%2fPLDM%2fP0040151-00001.png

Parts ordering:
http://www.searspartsdirect.com/partsdirect/part-model/Craftsman-Parts/Air-compressor-Parts/Model-919167450/0247/0703000/P0040151/00001?blt=06&prst=&shdMod=

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