Hammering - Page 8 - Recent Questions, Troubleshooting & Support

Unfortunately, Kango is gone - there are very few parts available and most of the parts still around will only be found in Europe now. It really is too bad because they were a great hammer.

Breaker chisel fat of any brand is alowed thats important for the guiding fields in the locking sleeve and also a little longer lasting of the stroke bolt. Its a good thing but in practice 70% of the proffesional workers does nothing used on the chisel. BUT ... Small independent workers usually.

could be a few problems, the striker could be stuck from debris or the ram might be hydraulically locked. they make a rebuild kit for this tool if you are mechanically inclined. I would suggest first going to their site and downloading a parts breakdown and there you will find what is involved and the parts listing. It is "dewaltservicenet.com" and on the left hand side type in your model number and then follow the links to download this. Let me know if you need more assistance.

broken power cable or autostop inside the carbon brush they are short its time for a revision !!

An suppresion capacitor is become damage by the switch or is the armature or electric field have a problem

Use a burner to make the work a little bit lighter but wear safety glasses by this job en een leather apron because of the hard metal pieces that can be come of the chisel sometimes if its an heavy machine unmount first the sleeve, from the machine if you have luck to find somebody with a bearing press can make it come loose , but if its handling a little demolition hammer replace the locking sleeve the drill guide is most times worn if you have used the right chisel for your machine.

Makita have most cases a problem with the stroke bolt in front of the locking sleeve a broken ring that will blocked the stroke bolt. In some cases the locking sleeve is also damaged , a rotary hammer is not made for demolition only a little small task but not for a long load , the metal pieces of the machine is no hard enough for long lasting .

Its need service if its anchor / drive gear is worn or the o-rings seals are worn, if its this model hammer make a trade-in service that in case its an old hammer like this model its not the model to service by your one the best option is trade-in by your dealer. if its handle this model http://dasen-hammer.en.made-in-china.com/product/BMgJKvoEXFpm/China-High-Quality-11e-1500W-Electrical-Demolition-Hammer.html

It can also be a suppression capacitor by the switch , or the electric field itself one or both coil fiels are gone.

Or a wedge is broken on the drive gear or anchor and drive gear must ALWAYS be replaced together if the teeth are worn.

http://powertool.manualsonline.com/manuals/mfg/bosch_power_tools/bh2760vc.html

http://www.manualslib.com/manual/777939/Hitachi-Dh-40mr.html

measure powercable control carbon brushes that autostop in front of the carbonbrush was coming out of the brush if thats not control the electric field to brushholders and switch.

Service Support or google for hitachi hammer and under the choice of images you have chance .

power cable can be fractured, autostop in carbon brushes activated or an loose contact or broken contact in electric field.

Sometimes its the armature but most the electricmoduul itself

control first the connection of carbonbrushes to the electric field first and replace if needed the switch.

Most change where the ventilation takes place you can find the commutator of the armature.

No its not comparable it hearts and burns your seals because of missing heat by high dissipation and heat conductive properties and gaskets seals o-rings burns in short time because of the hot pneumatic working inside 40 is not sae 40 hihi sae 15 w40 in like suggestion a pressure washer its fine if there is a oil fill option there but if not , a special thin grease like oil must be used (some tools have a special zinc-free hydraulic always water-transparant oil if its fresh and black if its old used ) and if there is something leaked then there must be a service set be used to make it air-tight and not leaking if it has its working hours on it its better to service this tool . you are more jack yourself then your object and thats not healthy for yourself if its pneumatic function has lost and the battle peace don,t stop snaps not anymore in the -o-ring before the strike bolt in front of the chisel anymore if your chisel is not pushed on a wall or stone to break . it must complete have service

To service Hilti and Duss are 2 names of expensive professional brands with the highest quality metals and are most delicate brands in the world to service .with high marketing technical developments The technic in these brands are like no other brand , if it has its working hours done , be aware to do this on your own without this knowing that there may be a range of collaborating very special bearings present a coplete collaboration that must be replaced there are special poor-tolerance bearings it likes they where damaged if you feel this parts but its neccesary and very special calculated and the (Hilti )Turmopol oil is also very very expensive and sometimes there are ceramic rings used for the batte piece but in any case costs all a lot of money and its wasted in a very short time if not knowing how to service , if you want to take this yourself, these brands are not toys for Fixya and can harm more than it could happen if you are not aware of the cooperation of the various components in this machines and sometimes hidden tricks to it may be, for example, to release an armature that in a special seal is present which is not just available separately outside of the anchor. So be warned, it does all depend on the model and year out, service on your own without the right tools can make more damage than you may expect