![]() If you can maintain 130+ the suction level improves greatly and reduces your total time for extraction of the fluids. This lowers the required capacity (CFM output of your compressor) so that most 4-6CFM psi units will do the job. The venturi is metered, meaning it has a small orifice that reduces the volume of air required to make the unit work. Air compressor, The system works best with high pressure high volume. Suction hose, has a ball valve that allows you to stop the flow and recover the vacuum in the tank. The unit will suction out cold oil BUT it is much slower and will require a lot of air (read noise) Oil must be at operating temp to work optimally and maximize removal of the engines old oil.drainage to the lowest point etc. The only issue I found is the hoses get really hot when extracting oil. Adapters are Steel and brass using o-rings to maintain the seal with the main suction hose, this provides a completely clean and mess free extraction of oil. ![]() They are simple compression fitting adapters so it's a 30 second swap out. Don't get hung up on the plastic quality, the hoses are all easily replaced if you need a specific diameter for your car. The unit comes with multiple rods and hoses. Excellent for extracting transmission fluid from the O1m! VERY LARGE capacity, I can change the oil in the Mercedes (8.5 liters twice) and the VW once without emptying the tank! The unit has an internal check valve that preserves the stored vacuum in the tank! I love this feature! The unit comes with an odd coupler, it was the first thing I replaced and if memory serves me correctly it did not require any reducers or adapters meaning teflon tape + connector is all that was requried. Otherwise the internal venturi will flow air anytime the air hose is connected. This way you can connect your air supply using a standard fitting and and turn it on when needed. Air line adapter, replace it with a ball shut-off valve that has a standard air hose ball/swivel nipple (Lowes Sells both items for $5.00). 90psi sustained will net you 15-20"hg vacuum 110psi sustained will net you 20"hg vacuum 130psi sustained will net you 25"hg vacuum Suction is generated using an internal venturi and muffled exhaust. ![]() Safety Recall Information - For important safety recall information, click here.įor any difficulty using this site with a screen reader or because of a disability, please contact us at 1-80 or For California consumers: For more information about our privacy practices, click here.I have this unit and so far I am very impressed. For more information, go to or see a Harbor Freight store associate. No other meaning of "Compare to" should be implied. Prices advertised by others may vary by location. To receive the coupon prices online, the coupon code(s) must be entered into your shopping cart.Īt Harbor Freight Tools, the "Compare to" price means that the specified comparison, which is an item with the same or similar function, was advertised for sale at or above the "Compare to" price by another additional retailer in the U.S. PRICES - Although we make every effort to assure that our prices, products and coupons are advertised as accurately as possible, we are only human, and in the event an error is made, we reserve the right to correct it. No use on prior purchases after 30 days from original purchase or without original receipt.
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