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Posted on Jan 02, 2017
SOURCE: hilti 76 p atc
Hi . The solution offered by rowdy (pull the trigger and hold it until light goes out) will only work on older machines, the newer machines have more complex electronics that need reseting using an optical reader which plugs into a PC , you will also need the Hilti ODA Software. this is not available to the general public. you may have to send it back to hilti for service and reset. this is free if the machine is less than 2 years old.
Posted on Oct 11, 2009
Hi. It all depends on the age of it as there are 2 different types of electronics fitted to the TE76.
If you have an early model, the service light came on when the brushes were worn or it was in need of a service. Check your brushes 1st. then to reset the light, simply pull the trigger and hold it untill it resets.
If you have the newer type then you will need to reset the service light by attaching a data reader to the service light. this data reader plugs in to a PC, you will also need the HILTI ODA Software to go with it. Basicaly you need to send it back to hilti to have is serviced and reset. if your machine is less than 2 years old, this is FREE. just phone hilti and ask them to collect it. they will pick it up, service it and get it back to you in 3 working days. if you not sure how old your machine is simply phone Hilti and ask them, quoting the serial number. this is etched into the plastic on the left side of the machine underneath the white writing on the motor housing. Good Luck
Posted on Oct 11, 2009
If you have the old type TE905, which is the one with the square type handle at the back, the service light will come on for 2 reasons. Either there is a tight bearing which will increase the amount of current used to work the machine. Or more common the carbon brushes need replacing. To reset the light, simply cure the problem.
If you have the newer type TE905 with the large “D” Type handle at the back. It gets a bit more complicated. The service light will come on for the same reasons as mentioned above, but it will also come on after 200 hours of use. It will continue to work for another 50 hours with the light on, then it will shut down completely. This is to ensure that it gets regular service. Once serviced or repaired, it will require resetting. To do this you with need a Hilti optical interface, a PC, and Hilti ODA Software. This is not available to the general public. If your Hilti is less Than 2 years old, call Hilti. They will pick it up, repair it, and send it back to you in 3 working days FREE OF CHARGE. If it is older than 2 years there will be a charge for the repairs.
I hope this helped you. Please leave feedback
Posted on Dec 13, 2009
SOURCE: hilti te-72 hammer failure
Do not put it in hammer mode and try to unscrew the chuck! This will break the housing internally. To remove the chuck you will have to put a chisel in the chuck. Lock that chisel in a big vice. You will then have to put a pipe wrench on the chuck to unscrew it. It is regular threads but there will be loctite on it. Once that is off your will have a spring and two roller bearings to remove before you can slide the bell off. You will then have 8 5MM screws to remove. This will remove the chuck. You will then have a snap ring to remove. After that you can remove the whole cylinder assy. More then likely your connecting rod is broken.
Posted on Oct 09, 2009
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