The manual forbids user repair of the internal electro-pneumatic mechanism but mandates specific user checks:
Even with the full PDF, you don’t have time to read 50 pages on a demolition site. Here are the five critical actions from the manual that define "best practice." hilti te 55 manual best
Hilti includes a smaller, laminated card. For experienced pros, this is the "best" manual because it fits in a tool box. It covers: The manual forbids user repair of the internal