Question about Hilti TE 7-C 120V Rotary Hammer Drill

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How much and type of oil used in a hilti te 804 breaker ?

I have a Hilti te 804 breaker that does not hammer / Motor runs fine connect rod is fine . However I have gotten it to hammer if I swith it off then on again quickly it hammers until it goes through the concrete then it just vibrates .I can find little info on basic care of this tool . I would like to know the lubrication type , amount and how to check for a low level . Or any ideas as to why its not hammering .

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Posted on Jan 02, 2017

ftw1952
  • 10319 Answers

SOURCE: Hilti TE 12. It will not hammer.

the rotory cam has been broken inside if not producing the hammer effect

Posted on Mar 11, 2010

  • 123 Answers

SOURCE: drills but dont hammer te 74

Hilti no longer carries parts for the 74. However most of the TE75 parts will interchange with the 74

Posted on Apr 03, 2010

  • 123 Answers

SOURCE: Hilti TE 74 not hammering

It takes 70 cc of oil in the gear casing. Too much oil will snap the connecting rod. If it did not have oil in it there might be a leak somewhere

Posted on Nov 08, 2011

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