| Grease fittings [message #236958] |
Tue, 21 January 2014 23:00  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
|
Senior Member |
|
|
I had a problem with the forward / reverse pedals on the hydrostatic controls on my John Deere diesel tractor. They were binding slightly and it would not always come to a complete stop. I traced the problem down to a 6" shaft running through a 6" tube that I had never greased. There was no way to get a grease gun on the fitting without disassembling major parts of the tractor. I decided to install a 90 degree grease fitting.
I removed the old fitting and the new 90 degree fitting just fell in the hole. I tried another 1/4-28 and the same thing happened. I decided it must be metric, so I went to town (22 mile rt) and got some 6mm ones. They did the same thing. So another trip to the store for the next larger size in metric (I had the next larger size in pipe thread which is 1/8th pipe and it is too large.) When I got back I found the 8mm one was also too large.
Now what? I got out the micrometer and start measuring grease fittings. I went through about 100 1/4-28 and 6mm fittings and found three that were slightly larger with tapered threads. All of the rest were straight threads and you can not tell the difference between 6mm ones and 14/-28 ones.
The tapered one worked just fine but I do not know where I got those. I have a tool here for removing and installing grease fittings. It has a 1/4-28 tap on it which is also straight thread, not tapered.
I checked two other fittings on the JD and they were tapered threads.
So off to McMaster Carr and sure enough they had them.
You learn something new on most days.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
|
|
|
|
| Re: [GMCnet] Grease fittings [message #236968 is a reply to message #236958] |
Wed, 22 January 2014 06:22  |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
|
Senior Member |
|
|
Ken,
This is a question for - YOU KNOW WHO! Mr. JD himself, Bob Drewes! ;-)
Regards,
Rob M.
Sydney, Australia
-----Original Message-----
From: Ken Burton
I had a problem with the forward / reverse pedals on the hydrostatic controls on my John Deere diesel tractor. They were binding
slightly and it would not always come to a complete stop. I traced the problem down to a 6" shaft running through a 6" tube that I
had never greased. There was no way to get a grease gun on the fitting without disassembling major parts of the tractor. I decided
to install a 90 degree grease fitting.
I removed the old fitting and the new 90 degree fitting just fell in the hole. I tried another 1/4-28 and the same thing happened.
I decided it must be metric, so I went to town (22 mile rt) and got some 6mm ones. They did the same thing. So another trip to the
store for the next larger size in metric (I had the next larger size in pipe thread which is 1/8th pipe and it is too large.) When
I got back I found the 8mm one was also too large.
Now what? I got out the micrometer and start measuring grease fittings. I went through about 100 1/4-28 and 6mm fittings and found
three that were slightly larger with tapered threads. All of the rest were straight threads and you can not tell the difference
between 6mm ones and 14/-28 ones.
The tapered one worked just fine but I do not know where I got those. I have a tool here for removing and installing grease
fittings. It has a 1/4-28 tap on it which is also straight thread, not tapered.
I checked two other fittings on the JD and they were tapered threads.
So off to McMaster Carr and sure enough they had them.
You learn something new on most days.
--
Ken
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
|
|
|
|
| Re: [GMCnet] Grease fittings [message #237112 is a reply to message #236968] |
Thu, 23 January 2014 01:33 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
|
Senior Member |
|
|
I found the tapered ones today at Big-R. They were not labeled as tapered but they were. These were made in the UK not China.
I just looked for the brand name but my wife threw the package away. It is -2 F. outside right now and I'm not going to go out and dig through the garbage can looking for it.
I just looked in the kitchen garbage can and she put them in there.
The brand is:
Handi-chek
ITW BEE Leitzke
Iron Ridge, Wisconsin
Part numbers:
98-3201 Straight
98-3202 45 degree
98-3203 90 degree
I have enough now to last me the rest of my life.
They were about $.50 each
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
|
|
|
|
| Re: Grease fittings [message #237132 is a reply to message #236958] |
Thu, 23 January 2014 08:45 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
|
Senior Member |
|
|
Ken, what model JD do you have? I have a 425 and wondering if I should have a look. I have an XJ Toad distributor greasing story I need to post too. Might save grief.
John Lebetski
Woodstock, IL
77 Eleganza II
|
|
|
|
| Re: Grease fittings [message #237155 is a reply to message #237132] |
Thu, 23 January 2014 11:19 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
|
Senior Member |
|
|
Mine is a 955 with a loader, backhoe, trencher, tiller, dirt box, rake, post hole auger, and front snow plow. (Obviously not all installed at the same time.) It is just the right size for us. I can just get it through an 8' (vertical) garage door. My farmer neighbor borrows it frequently, primarily for the back hoe, so he does not have to use his much larger tractors. Sometimes I use his brush hog on it.
http://www.tractordata.com/farm-tractors/000/1/5/152-john-deere-955.html
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
|
|
|
|
GMCforum
Search
Help
Register
Login
Home
