SOURCE: i need wiring schematics for hilti te 905 avr
Wiring schematics can be found by Hilti 1-800 number but they probally will not help you. The 905 is programed to shut down for service every 40 hours plus 10 warning. Then in my case I am stuck with a 200 dollar bill to send the tool from Winnipeg to Montreal for reprograming. Its a joke in my situation and its on me from Hilti, what a good name but what a scam.
SOURCE: I am the owner of a TE 905 Hilti Jackhammer,
If you havent found them yet call 1-800-879-8000 and they will be more than willing to help you.
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.
SOURCE: PHILIPS MOBILO PLUS (vacuum)- How to remove motor cover?
I found a solution. At least on my Mobilo HR8572. There are two tabs on the top plastic parts that hold on to the bottom plastic part. These tabs are located above the wheels, if you look closely you will see thicker grey plastic. You have to put a big screwdriver under the top plastic part and move it outward. The tabs are 6mm thick so you have to bend it out considerably. It then pops open. Works a treat and all the motor and electrical components are easily accessible using a simple star driver
SOURCE: how to open hilti drill
To seperate the motor housing from the gear housing you need to loosen up the two 5mm allen head bolts at the base of the handle. At the top of the handle you will see a hole. there is a 5mm allen head bolt that you will access through that hole. Back that screw all the way out. The lay the tool with the gear housing down and the motor up. Remove the 5mm bolts holding the two housings together. Tapping with a soft blow hammer you should be able to seperate the housings. Be carefull that you don't lose the lube out of the housing.
Here are instructions on removing the front end.
If yours is a metal housing here is how you disassenble the front end.First you need to put a flat bladed chisel in the chuck. Then lock the chisel in a vise. Next you put a pipe wrench on the chuck cap nut. That is the piece on the end of the chuck. Using a cheater bar turn the nut off counter clock wise. You then can remove your chisel, the cap nut, an oring and the locking sleeve with two rollers. This will expose the chuck that is held in place with 8 5mm allen screws. After that you have a large snap ring to remove before pulling out the rest of the front end assy
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