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The best grease to use in all applications is Lithium based MOLY grease... it IS Superior to any other greases which are made from clay or soap... So, This grease will make anything it is used in, to work & lubricate Better....
Bosch Oil (part number 1615437511) comes in 50ml volume. This is the correct amount of lubricant for the Bosch 11248EVS Rotary Hammer.
If you are replacing the oil you might consider ordering the 1617000451 Service Pack. You can order the (part number 1615430019) Oil in 1000ml increments and it gives you more bang for your buck and lasts a while.
It depends to where you want to apply your lubricant.
If you want to lubricate the chuck with the sds drill bit you simply add some cheap grease on the drill bit and the drill bit will slide easily on the chuck. On the other hand if you want to lubricate the sds drill machine then there is a special type super grease that you can buy from Dewalt in order to do so. Also since in order the super grease to be needed this means that you have used the drill a lot then also is needed to change o-rings, brushes and so on. So usually you have to ask for a service center to do it since they know how to do it properly and using the right kit.
try going to Boschtools.com and you will need your exact model number but they have parts explosions with the grease points listed on most of them Let me know if you need more assistance.
It is hard to understand what you are asking, however I have found that with the SDS drills one does NOT want to crowd them but just let the tool work with light pressure...
Most tools use grease that is supplied by the tool manufactures and you can purchase it from the proper service center. In an emergency you can use a standard ep2 grease but usually this standard grease will shorten the life of the tool or cause it to fail completely so it should be washed out as soon as possible and replaced with the proper grease the factory recommends
Where is the oil leaking from. By the chuck, or the selector knob, or is it leaking from where the gear housing meets the motor housing. I could be one of 3 things. There is a seal between the two housings that could be damaged, not likely though. There is an oring on the selector knob that can get worn, and there is a sealed bearing on the spindle that should not let any oil through. There should not be any oil in this tool for lubrication. Grease is used in this tool for lubrication. If you are getting oil or a liquidy type substance coming out it is more than likely the grease has broken down and needs to be replaced.
Depending on the type of hammer drill you have, the noise should only be heard when you are applying pressure to the material you are drilling. Some drills have 2 bump plates that cause the hammer action. This is what causes the noise. It kind of sounds like the gears are stripped but the chuck still goes just fine. You do not need to grease this, it will make this noise regardless. However you may want to take a look at the gears and make sure they are ok. You may want to add grease if the old grease is broken down or there is not enough in the gear housing. Larger hammer drills have a piston and actual hammer. Such as the Bosch Bulldog series. If it is this type and there is noise when you are in drill mode there may be more serious problems.
where are you intending to lubricate?
why does it need greasing?,not a normal thing to be doing .
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