21st Century Alternatives to ZERKS ? - Toyota FJ Cruiser Forum
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post #1 of 18 (permalink) Old 05-07-2017, 06:48 PM Thread Starter
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21st Century Alternatives to ZERKS ?

G'Day,
Any one know of a modern alternative to zerks ?
Greasing my UCA's yesterday, reckon I spilled more grease than went in the darn zerk...

so any grease experts out there know of any improvement to the old 19th century zerk ?

surely aircraft and space shuttles and the like have some hi tech doohickey for grease.....

@rotorhed1 ..and others....

Thanks in advance,

cheers
Baz
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post #2 of 18 (permalink) Old 05-07-2017, 06:57 PM
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Re: 21st Century Alternatives to ZERKS ?

Thanks for the mention.
Well there are several ways of doing things on helicopter main rotors. There are a few to dozens of zerks on them. Some may have a part lubricated by oil and a reservoir. Others are "elastomeric". Basically layers of metal and rubber. No lubrication required.

Standard and flush type fittings are used. Some of the aircraft require that these be purge lubricated after flight in the rain.

The landing gear on airplanes have zerks on the pivot points.
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post #3 of 18 (permalink) Old 05-07-2017, 07:16 PM Thread Starter
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Re: 21st Century Alternatives to ZERKS ?

Quote:
rotorhed1 previously said: View Post
Thanks for the mention.
Well there are several ways of doing things on helicopter main rotors. There are a few to dozens of zerks on them. Some may have a part lubricated by oil and a reservoir. Others are "elastomeric". Basically layers of metal and rubber. No lubrication required.

Standard and flush type fittings are used. Some of the aircraft require that these be purge lubricated after flight in the rain.

The landing gear on airplanes have zerks on the pivot points.
Thanks Mate,
Well that is kinda disappointing.... hahahaha
But I half expected this answer....
I will keep looking for a better solution.
Thanks
cheers
Baz
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post #4 of 18 (permalink) Old 05-07-2017, 08:40 PM
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Re: 21st Century Alternatives to ZERKS ?

On over the road trucks they have remote lube points with hoses running to the actual pivot that needs lubed.
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post #5 of 18 (permalink) Old 05-07-2017, 09:16 PM Thread Starter
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Re: 21st Century Alternatives to ZERKS ?

Quote:
gearwrench previously said: View Post
On over the road trucks they have remote lube points with hoses running to the actual pivot that needs lubed.
Thanks mate,
I am looking into those... might be a good solution...
Thanks
cheers
Baz
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post #6 of 18 (permalink) Old 05-07-2017, 09:20 PM
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Re: 21st Century Alternatives to ZERKS ?

You did open the end of the grease gun so it's loose enough to grab the nipple?
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post #7 of 18 (permalink) Old 05-07-2017, 09:28 PM
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Re: 21st Century Alternatives to ZERKS ?

Sealed.

Those remote hoses are kinda hard to install when the zerk is going in very fast circles round and round.

Maybe put some glasses on and use a bright light when trying to get the tip of your grease gun into/on the zerk?

Cheers and a shot of Bumbleberg.
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post #8 of 18 (permalink) Old 05-07-2017, 09:48 PM Thread Starter
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Re: 21st Century Alternatives to ZERKS ?

Quote:
mikey previously said: View Post
You did open the end of the grease gun so it's loose enough to grab the nipple?
G'Day Mikey,
Yes, but maybe not enough, good idea to check
Thanks
cheers
Baz
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post #9 of 18 (permalink) Old 05-07-2017, 09:51 PM Thread Starter
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Re: 21st Century Alternatives to ZERKS ?

Quote:
Bar3K previously said: View Post
Sealed.

Those remote hoses are kinda hard to install when the zerk is going in very fast circles round and round.

Maybe put some glasses on and use a bright light when trying to get the tip of your grease gun into/on the zerk?

Cheers and a shot of Bumbleberg.

yeah, as wondering about that !!!!

Its partly vision, have to admit that, but also just getting access under the UCA.... if you dont get the angle right... it gets messy

cheers
Baz
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post #10 of 18 (permalink) Old 05-08-2017, 12:11 AM
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Re: 21st Century Alternatives to ZERKS ?

Tens of millions of zerk fittings have been successfully used over the past 80+ years on every conceivable type of machinery that needed periodic re-lubrication of critical bearing surfaces.

There is nothing inherently wrong with the design of a zerk-type grease fitting.

If your grease gun was copiously leaking grease from the nose of the chuck every time you pumped the handle, either you didn't have the chuck fully engaged on the fitting, the fitting was damaged, or the chuck on your grease gun was damaged.

If you had the same leakage problem on multiple zerk fittings, most likely your chuck is damaged, or has sand or dirt preventing the fingers from gripping the zerk fitting properly.

There is a rubber seal in the chuck that gets pressed against the nose of the zerk fitting to prevent grease leakage. If this seal is nicked or torn, or contaminated with embedded dirt or sand, it will not seal properly and will leak.

Disassemble the chuck, and clean everything with solvent. Inspect the three gripper fingers for any type of damage, and especially the rubber seal for nicks, tears, or embedded contamination.

And ALWAYS carefully clean each zerk fitting before attaching the grease gun chuck. Little rubber caps are available to snap over the zerk fittings to keep them clean and corrosion free, and will even stay on U-joint zerks.

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