Where do i put in oil on bosch 11305 demo hammer

SOURCE: Bosch Demo Hammer switch plate removal?

The switch plate must be pryed off very carefully. Pry off the top part of the plate if the tool is upright. Start on one side then switch the tool on (unplugged) and pry off the other side. Not a very good system but it can be done if you are carefull

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SOURCE: bosch demo hammer model 11304

Your hammer has brushes that push away from the armature when they wear past a certain point. At this time you could buy the service kit that includes most parts including grease to get your going again. The link below will give you an idea of the parts included in the kit. If however you store your hammer more than use it, you could pull the lower half and lube it. You can just order Bosch grease. If your hammer is used constantly / heavy / hot climate, you can increase the life of the tool by greasing more often. Most damage is done by using long cord or generator with too high or too low voltage. Good luck

http://www.ereplacementparts.com/service-pack-pi-81738.html

SOURCE: complet break down of makitia demo hammer

Go to http://www.makitatools.com/en-us/Modules/Home/Default.aspx, put your model number in the search box and hit the arrow or enter. Select your tool and the parts breakdown and owners manual will be available to view or download. The owner's manual has their recommended lubrication requirements.