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My New Grease Gun and Coupler #3558992
12/07/14 09:21 PM
12/07/14 09:21 PM
Joined: May 2005
Posts: 2,249
Toronto, Canada
George7941 Offline OP
George7941  Offline OP
Joined: May 2005
Posts: 2,249
Toronto, Canada





It is a Milwaukee M12 gun with a LockNLube coupler. For the last twenty five years I have used a pneumatic gun. I grease outside in the yard where our work trucks are parked and I have to move the trucks over to where the air hose is. I don`t have to do that with this cordless gun. The gun came with a 3 foot hose and I extended it by another 2 feet for a total length of five feet. The extra length is useful when greasing driveshaft u-joints while lying under the truck because I can leave the gun in a cardboard box on the ground and just squeeze the trigger without having to hold the gun up in the air.

The LockNLube coupler works well and frees up one hand for other duties like holding a flashlight or feeling a rubber boot for grease flowing in.

I have used this setup for three weeks now and am pretty happy with how it works. A bit expensive at $200 Cdn for the gun and $30 + $10 shipping for the LockNLube coupler but it saves me some hassle and I grease frequently enough to justify the expense.

Last edited by George7941; 12/07/14 09:28 PM.

2006 GMC Sierra 4.3l, NV3500,G80 , Mobil 1 5W30, Dexcool.
1987 BMW R80 - sold
2015 Honda CBR300R

Staying out of the right lane a lot.
Re: My New Grease Gun and Coupler [Re: George7941] #3559025
12/07/14 09:45 PM
12/07/14 09:45 PM
Joined: Dec 2002
Posts: 42,288
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,288
New Jersey
Interesting. As a DIYer, I've not had need for anything but a manual gun. Are the joints must larger/resistive, or what's the reason why pneumatic or electric is desired?

Re: My New Grease Gun and Coupler [Re: George7941] #3559062
12/07/14 10:19 PM
12/07/14 10:19 PM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
I'm guessing the trucks take a massive amount of grease and frequently compared to a personal fleet.


2019 Jeep Cherokee Trailhawk 2.0T
Re: My New Grease Gun and Coupler [Re: JHZR2] #3559082
12/07/14 10:50 PM
12/07/14 10:50 PM
Joined: Jan 2009
Posts: 284
San Diego, California
Jim_Truett Offline
Jim_Truett  Offline
Joined: Jan 2009
Posts: 284
San Diego, California
Originally Posted By: JHZR2
Interesting. As a DIYer, I've not had need for anything but a manual gun. Are the joints must larger/resistive, or what's the reason why pneumatic or electric is desired?


If I hit every fitting front to back on my tractor with backhoe I can easily use up a tube + of grease. Hard on the developing carpal tunnel syndrome. If I couldn't pull the tractor up to the hose easily I would buy this rig in a second. I will be ordering that coupler ASAP.


2008 F250 6.4 PowerStroke 49k
2005 Honda Pilot 248k
1963 Nova SS 84k
2015 Civic Si 32k
2013 Mahindra 3016HST 99hrs
Re: My New Grease Gun and Coupler [Re: JHZR2] #3559225
12/08/14 06:31 AM
12/08/14 06:31 AM
Joined: May 2005
Posts: 2,249
Toronto, Canada
George7941 Offline OP
George7941  Offline OP
Joined: May 2005
Posts: 2,249
Toronto, Canada
I started off with a pistol grip gun and it simply did not develop enough pressure for fittings offering resistance, like kingpin fittings. I tried a lever gun and access to fittings became an issue since you have to use a rigid extension because you do not have a spare hand to hold a flexible hose in place on the grease fitting. Hence the pneumatic gun.

The average truck takes half a tube of grease and we have one truck that takes three quarters of a tube.

I buy grease in 20l pails and bulk load the grease gun. The grease gun has a bulk loader fitting installed and I have a loader pump installed on the pail and pump grease in to the gun through the loader fitting. This way no air pockets gets introduced inside the grease gun and that happens when tube of grease is loaded. You don't end up squeezing the trigger like a mad man with no grease coming out. I don't end up second guessing myself - "I know I squeezed the trigger five times but did grease actually flow in or is the gun air-locked?"


2006 GMC Sierra 4.3l, NV3500,G80 , Mobil 1 5W30, Dexcool.
1987 BMW R80 - sold
2015 Honda CBR300R

Staying out of the right lane a lot.
Re: My New Grease Gun and Coupler [Re: George7941] #3559255
12/08/14 07:15 AM
12/08/14 07:15 AM
Joined: Aug 2014
Posts: 237
Virginia, USA
IveBeenRued Offline
IveBeenRued  Offline
Joined: Aug 2014
Posts: 237
Virginia, USA
The LockNLube coupler is an amazing leap when it comes to grease-gun technology. Once you use one you will never want to use a grease-gun without it.


2013 Ford C-Max Energi 58,500 Miles
Mobil 1 EP 0W-20|Motorcraft filter
2012 Subaru Impreza Sport Ltd 127,000 miles
Mobil 1 EP 0W-20|Fram Ultra
Re: My New Grease Gun and Coupler [Re: George7941] #3572341
12/21/14 09:10 AM
12/21/14 09:10 AM
Joined: Apr 2006
Posts: 9,278
Birmingham, AL
01rangerxl Offline
01rangerxl  Offline
Joined: Apr 2006
Posts: 9,278
Birmingham, AL
I need to get one of those couplers. I hate fighting with the regular push on coupler on my grease gun.


2002 Ford Ranger XLT | 3.0 V6 Auto 2WD | 224K miles
1994 Ford Ranger STX | 4.0 V6 Manual 4X4 | 200K miles
1994 Ford Explorer XLT | 4.0 V6 Auto 4X4 | 246K miles
Re: My New Grease Gun and Coupler [Re: George7941] #3573835
12/22/14 12:44 PM
12/22/14 12:44 PM
Joined: Mar 2009
Posts: 2,676
Cedarbrae, Ontario
xxch4osxx Offline
xxch4osxx  Offline
Joined: Mar 2009
Posts: 2,676
Cedarbrae, Ontario
Where can I get one of those couplers?


2015 RAM SXT Crew Cab 5.7 with 6 speed tranny.

2008 Mazda 3 GS Sport Hatchback 5sp MT (Girlfriend's car)

Re: My New Grease Gun and Coupler [Re: George7941] #3574333
12/22/14 07:50 PM
12/22/14 07:50 PM
Joined: May 2005
Posts: 2,249
Toronto, Canada
George7941 Offline OP
George7941  Offline OP
Joined: May 2005
Posts: 2,249
Toronto, Canada
http://www.amazon.com/LockNLube-Grease-G...words=locknlube

Couple of things to note about the coupler- it is bulkier than an ordinary coupler and I cannot grease u-joints on driveshafts with it. I made up an extension using a 1/8 in pipe nipple with a grease nipple on one end and an ordinary grease coupler on the other end and I attach this extension on to the LockNLube to grease drive shafts. You will not save any time using the LockNLube over an ordinary coupler. I use it because it frees up one hand.

Just noticed you are Canadian. Here is where I bought it
http://www.ebay.ca/itm/Lock-N-Lube-greas...=item338a895c47


2006 GMC Sierra 4.3l, NV3500,G80 , Mobil 1 5W30, Dexcool.
1987 BMW R80 - sold
2015 Honda CBR300R

Staying out of the right lane a lot.
Re: My New Grease Gun and Coupler [Re: George7941] #3574771
12/23/14 07:53 AM
12/23/14 07:53 AM
Joined: Mar 2009
Posts: 2,676
Cedarbrae, Ontario
xxch4osxx Offline
xxch4osxx  Offline
Joined: Mar 2009
Posts: 2,676
Cedarbrae, Ontario
Originally Posted By: George7941
http://www.amazon.com/LockNLube-Grease-G...words=locknlube

Couple of things to note about the coupler- it is bulkier than an ordinary coupler and I cannot grease u-joints on driveshafts with it. I made up an extension using a 1/8 in pipe nipple with a grease nipple on one end and an ordinary grease coupler on the other end and I attach this extension on to the LockNLube to grease drive shafts. You will not save any time using the LockNLube over an ordinary coupler. I use it because it frees up one hand.

Just noticed you are Canadian. Here is where I bought it
http://www.ebay.ca/itm/Lock-N-Lube-greas...=item338a895c47
Ok cool, thanks!


2015 RAM SXT Crew Cab 5.7 with 6 speed tranny.

2008 Mazda 3 GS Sport Hatchback 5sp MT (Girlfriend's car)


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