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Discussion Starter #1
Anybody have any suggestions about what is the best grease gun for using in cold weather?

When I say cold, I mean anything from about 20 degrees Celcius down to freezing.

I am talking about manual grease guns, not electric or air operated.

I have the current model MacNaught K29, and while it is a little better than the old model, it still isn't much use in cold weather. Here it is - Macnaught - articles

The MacNaught sales reps at field days say that nobody has problems with the grease guns in cold weather. The MacNaught online contact says there has been no complaints since the updated model has been out.

I am currently using Caltex Liplex EP2 grease. I tried Caltex Delo EP2 grease but it was even worse. Mobil XHP222 was a waste of time. BP Energrease LC2 was not too bad, but it is very hard to get in this area, no distributors.

A neighbour has a Alemlube grease gun which works better in cold weather, but looks rather flimsy and may not last very long.

The MacNaught K29 is rather sturdy and well made. But it just doesn't do its job in cold weather.

Anybody else have trouble greasing in cold weather?

Anybody have any suggestions about other brands?
 

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I haven't owned an electric unit yet so its all by hand and what I've used for a number of years is Esso ... now Mobil Epic EP 102 grease. Its an NLGI grade 1.5 thickness and semi synthetic. I won't claim it pumps at the freezing point like it does on a summer day as that would be bs-ing a lot but its far better than a typical number 2 grade grease. They do make it in a moly version too and I have used some of that but thought better of using moly in everything and went back to the regular grease. I don't know how it compares price wise but I'd say buy a bit and try it out assuming its compatible with the other greases you've been using and I suspect it most likely is if they are all lithium type greases as well. Here's a link to the grease which also lists the moly and another thinner grease with high moly content that I have no experience with and I don't think its the best to use moly in some types of bearings anyway ... but bushings is the cats meow, hard to have a grease that can do it all.


Mobil Epic? Grease
 

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I've also had good luck with the John Deere manual grease gun... are you sure you are storing those tubes and guns right side up? All I've used for grease is some brand X stuff the local co-op sells, and as mentioned, the typical western Canadian farmer deals with temps well below the range you are experiencing in Oz.
 

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I remember my father shoving the grease gun into the exhaust pipe of the tractor for a couple of min on cold mornings. Not sure if it made it warmer to hold onto or made it work better. . This was in the day of plain wheel bearings that needed frequent lubrication.
 

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As I mentioned before about the grease I am using vs what had been used years ago which was always an EP 2 grease, It does puzzle me why there would be enough cold temps in Australia to cause any issue at all with grease. But never the less at 0c an EP 2 grease does stiffen up although if you are still having issues at 20c with grease, I'd be pointing to the grease gun or the type of coupler ends your using, or you have some damaged zerks and really warm grease can pass through where otherwise its more of a struggle. Just grasping at straws here as maybe us up in the northern States or Canada are used to things becoming stiff ... and we don't know any different :)
 

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Northern Farmer uses Mobil Epic 102 and I use Mobil EP Epic Moly. Very similar properties but I can pump the Epic Moly at -35C with no problem with any regular grease gun.

Mobil Epic EP 102 and Mobil Epic EP Moly have excellent low temperature dispensing and pumpability, as low as -40°C and thermal stability in applications as high as 150°C.

Mobil Epic? Grease
 

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We use a manual lincoln heavy duty that works pretty well along with synthetic blended grease. After we bought the milwaukee m-18 cordless cold is a non factor. I know several companies make a 2 stage manual grease gun a higher pressure and a higher flow
 

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Never had a problem with any grease gun down to 0 C. Below that it's not too bad. Used to throw the grease gun in the exhaust of the cat to warm it up when it got down to -15 or lower. Made greasing all the cable pulley sheaves much easier to do. We've always used the regular blue grease and have never had problems with it. For most other equiptment when it's cold we have a grease gun inside where it's warmer for that purpose.
 

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Hello CTS2
When I worked in the bush, I pumped many a tube of Co-op moly grease with an Alemite hand pump grease gun while greasing the skidder. & I'm not talking about 20° C, I'm talking about -20° C.
If you are having trouble with your grease gun at 20° C, throw that **** thing in the bush, but put it under a wheel & drive over it first, & then get yourself a real grease gun.:22:
 

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Discussion Starter #11
I remember my father shoving the grease gun into the exhaust pipe of the tractor for a couple of min on cold mornings. Not sure if it made it warmer to hold onto or made it work better. . This was in the day of plain wheel bearings that needed frequent lubrication.
Yes I know that trick, I have done it a bit and it helps, but it takes time. During seeding I don't want to be waiting around while my grease gun warms up.
 

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Use an EP-1 or 0 rating

This will help
I would like to keep on with EP2 rated multipurpose grease if possible. I only want to keep one grease in stock, and be able to use it in summer and winter. EP2 grease is the only thing that any of the stockists keep around here.
 

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Discussion Starter #13
As I mentioned before about the grease I am using vs what had been used years ago which was always an EP 2 grease, It does puzzle me why there would be enough cold temps in Australia to cause any issue at all with grease. But never the less at 0c an EP 2 grease does stiffen up although if you are still having issues at 20c with grease, I'd be pointing to the grease gun or the type of coupler ends your using, or you have some damaged zerks and really warm grease can pass through where otherwise its more of a struggle. Just grasping at straws here as maybe us up in the northern States or Canada are used to things becoming stiff ... and we don't know any different :)
Good suggestion, but it is not the zerks or the coupler. It doesn't matter if you are connected to a zerk or just trying to pump grease into thin air, it still struggles.
 

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Discussion Starter #14
Anybody else using a MacNaught K29 grease gun in cold weather and getting on alright????????????
 

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Anybody else using a MacNaught K29 grease gun in cold weather and getting on alright????????????
I have a couple of them, CTS. I can`t remember having a problem in cold weather. I use GP grease. There`s probably something wrong with your gun. Are you using a cartridge or bulk loading?
 

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gday cts man ! i use mcnaught grease gun , at the moment shoving general purpose valvoline cartridges through it ,working fine but not 5 am when it is real cold !
 

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In my exspriance k29 is a good gun for a bit then it starts to suck air or loss its prime. We bulk fill Deere guns as there cheap and 20kg bucket of grease is cheaper than cartridges
 

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Anybody have any suggestions about what is the best grease gun for using in cold weather?

When I say cold, I mean anything from about 20 degrees Celcius down to freezing.

I am talking about manual grease guns, not electric or air operated.

I have the current model MacNaught K29, and while it is a little better than the old model, it still isn't much use in cold weather. Here it is - Macnaught - articles

The MacNaught sales reps at field days say that nobody has problems with the grease guns in cold weather. The MacNaught online contact says there has been no complaints since the updated model has been out.

I am currently using Caltex Liplex EP2 grease. I tried Caltex Delo EP2 grease but it was even worse. Mobil XHP222 was a waste of time. BP Energrease LC2 was not too bad, but it is very hard to get in this area, no distributors.

A neighbour has a Alemlube grease gun which works better in cold weather, but looks rather flimsy and may not last very long.

The MacNaught K29 is rather sturdy and well made. But it just doesn't do its job in cold weather.

Anybody else have trouble greasing in cold weather?

Anybody have any suggestions about other brands?

So what exactly is the problem ?? Is it getting air locks ? is it failing to pump with pressure ? , is it leaking at the nipple ?
We got a new mcnaught about 5 years ago and were using bulk grease not cartridge and it was a prick of a thing leaking , bypassing the plunger and getting air locks. it didnt take long and its good bits went onto our 50 year old mcnaught to fix it up and we have used it ever since.
We use a pneumatic gun at the work shop and a twenty liter plunger type on the service trailer , the old mcnaught gets used for quick squirts here and there. We work from 40 degrees Celsius down to minus 10 c. Cold weather only gives trouble if we need to refill the gun, it does make the plunger gun slow but it is on a 5 meter hose.
 

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Do yourself a favour and get an alemlube. After battling with mcnaughts for years I was lent an alemlube by a contractor to prove a point, that was about 10 years ago. I bought one and I am still running the same alemlube gun on my ute to this day. It's had 2 new hoses ( I like the longer ones) and one or two couplers and that's it. Never had an air lock. Never. Ever. Throw a new cartridge in screw her up and grease away. Did I mention that the course thread doesn't cross and can be started with ease? I can't say it gets real cold up here, but I know it works at 6 in the morning when there's ice on the windscreen and in the middle of jan when it's 47degrees. Caltex Lipex EP2 in it all the time.
 

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Try this cts ,
Unscrew the canister and the nipple gripper and blow compressed air backwards down the tube moving the handle until all grease is blown out .
Just maybe theres something obstructing your flow.


if not try this :sFun_DeadHorse:
 
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