Hitachi Hammering - Recent Questions, Troubleshooting & Support

they usually heat shrunk on, to remove it you will probbley damage it.

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

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

OIL ?? I think Hitachi has always a yellow grease lubrication hitachi grease demolition hammer Google zoeken never seen heart of oil in Hitachi demolitions. but there could be models in your Country thats new for me . Otherwise BOSCH HILTI and the one and only brand DUSS demolition hammers and also a few brands of Chinese hammers need oil lubrication . an expensive sinc-free hydraulic oil the same as used in some pressure washers life lasting oil but for HItachi look at the link for the grease 2 tubes a enough . good luck and dont forget the piston pin to replace with a new not only the gaskets and o-rings and also the oil and dirt seals on the front where the striking pin is that must be absolutely not air leaking because all your work burns in a few months again out . you can start all-over again.

A vise is a must (do a safety goggles) hard steel on hard steel can deliver hot splinters at this job, put it the chisel with the machine fixed cross in a vice place the chisel lock on the machine open and slam a fist hammer slowly machine of the tool down.

rockworth powertask demo hammer needs new trigger how do i get parts

Try just stopping and starting the machine off a while.to see if the hammer appears.

Hello I need a new trigger switch for my Rockworth PowerTask
serial no uk004984 ARPD1/OOK. On the switch itself inside it has HY15C. Please put me in touch with your on parts division. Thanks.

Remove chuck assy and see if it will release, it might need a bit of help with a vice. If not then it will have to be taken apart and pressed out.