LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.

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Quick problem solution---

1. Not pumping(normally caused by trapped air in grease)
--Use a pin to press down the ball valve in the vent on pump head,
meanwhile pump the grease till it come to coupler. Or--Untighten the
head cap a little bit, meanwhile pump the grease till it come to coupler.

2. Hard to remove the coupler from the zerk fitting

--This is normally caused by kept pressure in coupler, untighten the
coupler or hose a little bit. Then will be able to remove the coupler
from the zerk fitting easily. You can disassembled grease connector and contoured the four grip jaws by filing/ stoning to better release.

3. It is highly recommended that this product or any grease gun be purchased with a compatible quick release coupler to assist with the automatic release of pressure. Otherwise the user might need to manually release the pressure to remove the zerk fitting.

The O-ring sealed high-pressure piston design prevents the grease from leaking from the pump head. It has a metallic case head which adds an extra layer of durability to the device. Includes 18 inch Heavy Duty Reinforced Flex Hose with Spring Guard and coupler, and a 5-1/2 hard metal extension tube with sharp nozzle.
Leak proof plunger design, prevents the grease from leaking internally when high pressure is applied. Applications: Automotive & Trailers, Agriculture, Industrial, Marine.
Air Bleeding Valve Quickly Eliminates Air Pockets. 3-Way Grease Loading：Standard 14 oz. and 14.5 Oz Cartridge；Bulk Suction Fill；Filler / Dispenser Pump.
The grease comes out smoothly every time the handle is compressed. The canister is built with a cold drawn steel tube providing high durability. Use wit 1/8'' NPT Standard grease coupler

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STEINBRÜCKE Grease Gun - Heavy Duty Professional Pistol Grip Grease Gun 6000 PSI with Flex Hose

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