Hilti Hammering - Recent Questions, Troubleshooting & Support

if the service light is on check this video, https://www.youtube.com/watch?v=kpcdYreqc5I

A dangerous work wear safety glasses and a leather apron because there could be metal pieces come off the parts , make first the part the disassembled toolholder hot with a large gas burner and in a bench vise with a hammer Interim anything like WD40 spray. sometimes it could be a long prolonged work if you have inserted an invalid chisel.

No parts here and no connections other than a Google search which I assume you have already done.

A Broken front ring which blocks the lock bolt ? Is there enough lubrication flow if something is broken inside replace ALLWAYS a complete servicekit , because its , beware of the Turmopol oil is expensive. there are equivalent oils if you asked special for it also by Hilti to buy. Hilti and Duss are not the 2 cheapest brands of powertools. Special Tolerance-free bearings are used it is all super calculated on a number of operating hours and about if something is defective, a complete overhaul is necessary. These hammers may leak no trace of oil in the front until 2006 HILTI has in my Country support , but after this date exclusively support to the end-users and support closed for brokering.

Did you oil it?

https://www.us.hilti.com/jobsite-technical-support

Go to the hilt I web site, it will give nearest service centre. If under warranty just call them.