Question about Craftsman Air Tools & Compressors
Depends where it is
If it is from the bottom it may be a rusted out tank ( don't fix)
if it from around the weld for the boss ( rusted out -don't fix
if it is around a plug thread just reseal
remember that compressor tanks contain oil and water and welding before completely evacuating with nitrogen gas will cause an explosion
Posted on Oct 09, 2018
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Posted on Jan 02, 2017
SOURCE: gas tanks leak bad
its not too bad a job , try to drain out the remaining fuel somehow to eliminate extra weight and chance of spilling fuel, remove filler tube connections that connect to the body , remove the straps that support the tank(s), lower tank(s) withhelp whenever possible, remove connecting wires to the float/fuel pump assembly, then replace with new tank in reverse matter, if have spare tire under tank just remove out of the way, also disconnect the battery to avoid any type of sparks when working around fuel fumes, actually not to hard of a job , just usually dirty and time consuming for the first time , also if you cant get the support straps to unbolt you can always cut them off and replace with new ones.
Posted on Oct 20, 2008
The needle valve that you see is the unloader which releases air pressure from the discharge line after set pressure is obtained. If air continues to leak after the compressor shuts off, the check valve installed in the tank is leaking air out of the tank. Follow the air discharge line from the compressor to the tank. There you will find a brass valve which is the check valve. Simple test is to remove the smaller airline (1/4") from the brass valve and check for air leaking. If leaking remove brass valve and check for debris under the white seat. If you cannot clean the valve, replace with generic check valve from www.grainger.com. It will cost less than factory part. Just order the valve considering the fitting sizes that you need. For exact replacement,( www.sears.com parts). If you sears model # begins with WL then your compressor is made by campbell hausfeld and parts may be ordered from www.chpower.com. Good Luck with you repair and email if you have more questions.
Posted on Mar 21, 2009
Does it run? Does it stop running? Does the pressure gauge read anything at all? Is there a regulator on it? Can you take the reg off? A bunch of things to check, get it running and let me know what you find, and I will try to tell you what's next.
Posted on Feb 27, 2010
Unloader valve probably needs to be adjusted. Should be two jam nuts holding the unloader to the pressure switch. Loosen the jam nuts and adjust the unloader slightly away from the lever. Tighten the jam nuts and try it again.
Posted on Jul 10, 2010
This product manual will show the exploded view on how it comes apart/goes together:
Posted on Jan 12, 2011
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