Negative Positive
Title: Does not pump grease. What is it for then?
Review: This tool is not usable. The pump suction feed fails whenever you try to use it. I am using synthetic bearing grease and it will not pump it. I think it was designed for use with melted butter maybe? The grease fitting on the end of the hose will not fit standard zerk fittings. I replaced it with one from my manual pump in order to test this thing. The bleeder valve is actually a suction breaker. If you do get the grease pumping under no pressure situation (through an open zerk) it will stop when you push the bleeder valve. I replaced the bleeder valve with a plug to insure it was not opening during the test. I would never buy this product again and I am surprised it is still on the market.
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