Lincoln Air Operated Grease Pump, Model# 989

Pump handles all grades of lubricants with high-pressure lube on both up and down strokes. For auto, agricultural and industrial service. U.S.A. Operating PSI: 150, Gear Ratio: 50:1 Micro-lapped, hardened steel air valve Seat with nitrided steel plunger and bushing help assure long service life Includes steel cover with 3 thumb screws for securing to 25-50 lb. lube bucket (not included) Follower plate assures positive prime at low temps Carrying handle

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