![]() ![]() Use common sense and they work just fine. Yes, they can provide crazy high pressure,if you stand on the operating lever. Manual high pressure guns(lever type) are only as good as the operator. Low pressure vs high pressure grease guns: low pressure gun work well on new fittings but older equipment rarely has new fittings. ![]() Speaking of grease: was working on a project tractor the other day and opened a wheel hub to clean and repack and old grease had turned to dust. Morning Stan,then there are all of those linkage grease points on the operating levers, pedals,etc,etc,etc that all of us tend to overlook.Those I try to remember to do at least annually. I think I accounted for most of them without having a manual handy. The manual blades only have two up/down cylinders. If you need to loosen the track, there is a release bolt, but don't take it all the way out or you lose the infamous check ball.ĭozers have a zerk at the end of each cylinder. Doesn't matter here just what grease is used. You can use the low pressure gun or a higher pressure one as long as it is 8000 PSI or lower. There is a zerk at the back end of each track adjuster. All these need Corn Head grease and the low pressure gun. And the top roller, which a bolt needs to come out to get the end of the gun onto. But, if the rollers get greased, there are ten, five per side. Sometime in the 80s, they went to sealed rollers which don't get greased. Wiping away excess just keeps area clean and tidy. Over time you'll end up with sand infused lapping compound and destroy the bearings or bushings. ![]() If you don't clean the fitting first,any sand or grit on it will get pushed into bearing or bushing with new grease. General practice on greasing: clean the fitting,inject the grease,wipe off excess. Those you can get at Grainger,Mcmaster-Carr or your JD dealer.My 350B still has those and I rigged up a regular grease gun with the special high pressure fitting and it stays in the battery box on the machine. Takes a special fitting on the grease gun to inject the grease. That is the port of a high pressure grease fitting. On your machine you may or may not have funny looking obround looking things with a "C" shaped lip on your track group rollers. I grease the entire machine(no matter what machine it is) at the start of every work day.Also do it again when i'm done and the machine will be idle for any extended length of time.Bought a Lincoln battery powered grease gun last year(finally) and love that sucker.Easy,easy to grease a machine and makes you want to do it. Grease I use is EP2 but marine grade EP2 holds up better when exposed to water. On my late 80's 450G dozer I use the Hyguard oil in the finals etc.Ģ JD backhoes I have are 303 Hydraulic oil throughout(except crankcase of course). Tranny is same(303 or Hyguard) as is reverser.Finals is where it gets odd: Some use recommended Hyguard or 303 but I'm more inclined to use 80/90wt gear oil on my 60's era 350B loader. I'm old and 15w-40 just looks "thin" to me.Hydraulics I use either JD Hyguard ($$$$) or regular 303 Hydraulic oil($$) had good results with both. On engine crankcase I use either straight 30wt in cold weather or 40wt in hot weather. ![]()
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