Greasy Nipples...

[PG2676]

Anyone know the size of the grease fittings on the chassis of most Polaris quads, primarily the slip yoke on the driveshaft on a 07 Sportsman 450?

 

[lbartels]

I believe they are called "zert" fittings. I thought they were all the same size.

 

[arff]

I believe they are called "zert" fittings. I thought they were all the same size.

Your right all the same size.

But it sounds better to say I touched 12 nipples today.

 

[pipes]

A grease fitting, grease nipple, Zerk fitting, or Alemite fitting is a metal fitting used in mechanical systems to feed lubricants, usually lubricating grease, under moderate to high pressure, into a bearing using a grease gun. The fitting is permanently installed by a threaded connection, leaving a nipple connection that the grease gun attaches to. The pressure supplied by the grease gun forces a small captive bearing ball in the nipple to move back against the force of its retaining spring. The arrangement is thus essentially a valve that opens under pressure to allow lubricant to pass through a channel and be forced into the voids of the bearing. When the pressure ceases, the ball returns to its closed position. The ball excludes dirt intrusion and functions as a check valve to prevent grease escaping back out of the nipple. The ball is almost flush with the surface of the nipple so it can be wiped clean to reduce the amount of debris carried with the grease into the bearing. The convex shape of the fitting allows the concave tip of the grease gun to seal against the nipple easily from many angles, yet with a sufficiently tight seal to force the pressured greased to move the ball and enter the fitting, rather than simply oozing past this temporary annular (ring-shaped) seal. Grease nipples are commonly made from zinc-plated steel, stainless steel, or brass.

Besides grease, oil can be fed this way as well.

The patent for the Zerk fitting was granted to Oscar U. Zerk in January 1929, and the assignee was the Alemite Manufacturing Corporation[1] (thus the eponymous names for the fittings). Today many companies make these grease fittings.

 

[pipes]

Stainless Steel Grease Fitting Assortment
Quantity Part Number Thread
Size
1/8 Inch Pipe Thread
5 GZS-2SS 1/8-27
2 GZ45-2SS 1/8-27
2 GZ90-2SS 1/8-27
1/4 – 28 Fine Tapered Thread
5 GZS-428SS 1/4-28
2 GZ45-428SS 1/4-28
2 GZ90-428SS 1/4-28
1/4 Inch Pipe Thread
3 GZS-4SS 1/4-18
Drive Fittings
3 GZD-3SS 3/16”
3 GZD-4SS 1/4”
6 MM Metric Thread
2 GZS-6MSS Straight
2 GZ45-6MSS 45°
2 GZ90-6MSS 90°
8MMx1 Metric Thread
2 GZS-8MSS Straight
2 GZ45-8MSS 45°
2 GZ90-8MSS 90°
10MMx1 Metric Thread
2 GZS-10MSS Straight
2 GZ45-10MSS 45°
2 GZ90-10MSS 90°
Zerk Cap
5 ZC Zerk Cap

 

[Summiteer]

A grease fitting, grease nipple, Zerk fitting, or Alemite fitting is a metal fitting used in mechanical systems to feed lubricants, usually lubricating grease, under moderate to high pressure, into a bearing using a grease gun. The fitting is permanently installed by a threaded connection, leaving a nipple connection that the grease gun attaches to. The pressure supplied by the grease gun forces a small captive bearing ball in the nipple to move back against the force of its retaining spring. The arrangement is thus essentially a valve that opens under pressure to allow lubricant to pass through a channel and be forced into the voids of the bearing. When the pressure ceases, the ball returns to its closed position. The ball excludes dirt intrusion and functions as a check valve to prevent grease escaping back out of the nipple. The ball is almost flush with the surface of the nipple so it can be wiped clean to reduce the amount of debris carried with the grease into the bearing. The convex shape of the fitting allows the concave tip of the grease gun to seal against the nipple easily from many angles, yet with a sufficiently tight seal to force the pressured greased to move the ball and enter the fitting, rather than simply oozing past this temporary annular (ring-shaped) seal. Grease nipples are commonly made from zinc-plated steel, stainless steel, or brass.

Besides grease, oil can be fed this way as well.

The patent for the Zerk fitting was granted to Oscar U. Zerk in January 1929, and the assignee was the Alemite Manufacturing Corporation[1] (thus the eponymous names for the fittings). Today many companies make these grease fittings.

Holy wikipedia Batman.:d

 

[OnlyPolaris]

1/4" x 28 thread.

 

[psullivan]

I love nipples...

 

[arff]

I love nipples...

X2....

 

[hadster]

I love nipples...

X 3 preferably if they stick out to next tuesday and poke out your eyeball!!:d

 

[Kelzon]

X 3 preferably if they stick out to next tuesday and poke out your eyeball!!:d

There's going to be "Nipples" on the "Tuesday" repair ride ? Yes....Whats her name ?

 

[Stompin Tom]

Nipples and grease, two of my favorite things.

Somehow Cliff Claven got involved in this thread and ruined its potential.