Kramer telescopic boom

hally

Member
Livestock Farmer
Location
cumbria
Just greasing up my Kramer and noticed the boom looks a little dry. What is the best product for lubricating these telescopic booms?
 

ACEngineering

Member
Trade
Location
Oxon
Why out of interest?

Wax oil is an adhesive and causes drag.

Increases the force required to boom in and out and puts extra stress on the wear pad fixings sometimes ripping them out.

Some machines if wax oiled you boom out with a load on they wont pull themselves back in!

Plastic pads on polished steel slide just fine, even better with graphite,

If it's a machine not regularly in use then a light grease now and then or graphite spray will be needed to stop it rusting.
 

Sparkplug

Member
Always a difficult one as too dry a boom causes vibration which encourages Wear Pad Bolts to vibrate loose which is why you can always find the missing Shims on top of the chassis under the rear of the boom!
 
Nothing leave it dry.
Or spray it with dry graphite.

100% not waxoil I dont give a dam what jcb say it's wrong.

You learn something new everyday. My immediate gut thought was to use waxoyl but I noticed on some newer machines the plastic pads (I assume nylon or similar) just slide along lovely on the polished parts of the inner boom. Is a pump or two grease ample for these?
 

Agri Spec Solicitor

Member
Livestock Farmer
We were advised to use the waxoyl type product on our JCB. The aerosol can does not go far. I think I will try the graphite. Grease was my choice on our old Claas and I ended up with a big build up of straw / muck/ stone gunge which then had to be cleaned up. Never again.
 

ACEngineering

Member
Trade
Location
Oxon
You learn something new everyday. My immediate gut thought was to use waxoyl but I noticed on some newer machines the plastic pads (I assume nylon or similar) just slide along lovely on the polished parts of the inner boom. Is a pump or two grease ample for these?

a little grease or engine oil is fine, just gets messy.

99.9% of people that grease or put anything on there booms are only doing half of it anyway! Rarely does anyone get up the back and do the inside were the rear pads are and they never seem to last any less than the fronts IMO.
 

ACEngineering

Member
Trade
Location
Oxon
We were advised to use the waxoyl type product on our JCB. The aerosol can does not go far. I think I will try the graphite. Grease was my choice on our old Claas and I ended up with a big build up of straw / muck/ stone gunge which then had to be cleaned up. Never again.

try this little test, spray some wax oil on a bit of clean polished steel, let it dry and get a bit of nylon pad of some sort, any old bit of plastic nylon will do although ideally with a nice flat surface to simulate a wear pad.

Press it down on to a clean bit of steel and drag it along, then press it down on the wax oiled steel and drag it. You will then see/feel what i mean by more drag. (y)
 

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