| Re: [GMCnet] Any experience with Lock and Lube Grease coupler? [message #327065 is a reply to message #327060] |
Wed, 13 December 2017 06:39   |
GMC.LES
Messages: 505
Registered: April 2014
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Senior Member |
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Generic grease gun couplers are a PITA, unless you understand how to use them. For a simple trick, keep reading.
When new, grease gun couplers can be hard to engage the zerk, and harder to remove. If under pressure during removal, you risk breaking the zerk if you force the coupler. Under these circumstances, you often damage the jaws, and this is why the coupler won't stay engaged on older grease guns.
The above is because we are not using the generic coupler to its full potential.
SIMPLE TRICK
The coupler jaws are held in place with a threaded collar. When new, the collar is quite tight. Before first use, loosen that collar with pliers, and re-install barely finger tight.
Now, if your coupler is hard to remove, don't force it. Loosen the collar first, and the coupler will release the zerk without effort and frustration.
I was changing couplers every few months until I started doing the above. Now the couplers have lasted several years without problems, and they no longer fall off the zerk by themselves. I now rarely need to hold the coupler while greasing, and can operate my guns with both hands. Most of my guns have 14" hose wips and long levers, which require both hands to operate.
I can't take credit for the above trick as it was posted on GMCNet a while back.
Les Burt
Montreal
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