Hammering - Page 7 - Answered Questions & Fixed Issues

This is what kind of tools you are missing for to do it without damage some parts by some brands a bearing press .. to press out the gears out of the bearings but beware in some cases there can be uses a forelock and the bearing of the gear can sitting behind a locking ring. allways use the right service manual before decide to. and use safety glasses if using a bearing press

Illustrated spare part lists

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.

Part 1617000732 its a complete service kit for this tool with al things neccesary here is the tool in your Country Bosch Parts Service Online Illustrated Part List BUT ... For proof that the number of this kit is correct because illustration and description is failed in the parts list in the bosch site outside Europe http://www.powertools-aftersalesservice.com/public/boschprof/service?p_auth=4MFGtKNX&p_p_auth=9O6peGtv&p_p_id=WSRP_bc93764e__6873__4b00__9a29__b331c9759da9&p_p_lifecycle=1&p_p_state=normal&p_p_mode=view&_WSRP_bc93764e__6873__4b00__9a29__b331c9759da9_wsrp-navigationalState=L0JPUy9QVEFTLVBULVNJUy1TaXRlL25sX05MLy0vRVVSL1ZpZXdQcm9kdWN0LURpc3BhdGNoO3BnaWQ9YmI5NWI3MGRjM2E3NzQxY2ExYzA0OGYyM2IzMDFDTFg5eEhUO3NpZD1WMGtBRXBoTVkwRW9TTTlmTklJYzZaZkhRWUt6OEZGWHpVaUR1UnJzbmxLYUU0Nkg1S3M9

Maybe a thermal problem in the electronic modul and also control the powercable on a leight tensile load.

Locking or mounting bracket is lost or wrong chisel used http://www.powertools-aftersalesservice.com/public/boschprof/service?p_auth=5Rfu59sB&p_p_auth=XzzbHN4F&p_p_id=WSRP_bc93764e__6873__4b00__9a29__b331c9759da9&p_p_lifecycle=1&p_p_state=normal&p_p_mode=view&_WSRP_bc93764e__6873__4b00__9a29__b331c9759da9_wsrp-navigationalState=L0JPUy9QVEFTLVBULVNJUy1TaXRlL25sX05MLy0vRVVSL1ZpZXdQcm9kdWN0LURpc3BhdGNoO3BnaWQ9YmI5NWI3MGRjM2E3NzQxY2ExYzA0OGYyM2IzMG42VFRHa1ZUO3NpZD05MDlFWjRqQ3cwZVg0dF9ScHVaWW5JZEo0WVQzaFVIWmJVN0h6QXBpZE9UR3gwSFpiVTQ9https://www.youtube.com/watch?v=A_cGAegSBHA

Its the ask if its a MILWAUKEE kango 900K yes but if its a KANGO 900K the metal red or metal blue demolitionhammers its difficult to find but the cause of the broken con rod when the machine is not good air tight it can have has burned o-rings and more also the battle cilinder can be torned and piston pin not smooth enough and ,more parts of the original English KANGO are not simply deliverable anymore, but for the American milwaukee red 900k its not a problem http://services.milwaukeetool.nl/jsp/material.jsp#part0239

If pos 22 980-707 is broken it does not function , also if pos 35 is broken 932-815 then also the motor drives but no hammer , also if pos 8 is not moving 987-705 because the lubrication is not good anymore if started leaking and if that happens the piece and all your o-rings will be worn by heating up because thefront ofyour hammer must be air tight all the way , a demolition hammer is made for lasting long hours but leaking although it is still so small its in a few hours inside becomes to hot for the seals o rings and lubrication and then there are Discussions for to get a Service Kit (H 45Sb) - ( 987-712 ) the hammer is to old for economic repair by others some parts are not anymore available, i know it where good hammers , but marketing technical changes in weight, more more speed and less vibrations and for 7 years max parts in stock (not sometimes 15 years as before) and over that time its all discontinued demolition hammers are averaged of use of 6 years by normal usage. Lubrication is not the problem but in front its must airtight otherwise is bad for your arms and shoulders because its build for timing when its airtight. Hitachi H45SB Hammer Parts

if you push the chisel of the hammer on an object the battle piece must become free in the cilinder and must work or something is blocked or wrong intern as it will not work , or the wrong chisel was selled for your machine . remove the chisel and put a long big screwdriver and push it in the locking sleeve as far as possible there must something moved from 2 or about 4 cm depends on the volume of the machine but if nothing moves then go back to your dealerfor warranty.

Unfortunately, Kango is gone - there are very few parts available and most of the parts still around will only be found in Europe now. It really is too bad because they were a great hammer.

Breaker chisel fat of any brand is alowed thats important for the guiding fields in the locking sleeve and also a little longer lasting of the stroke bolt. Its a good thing but in practice 70% of the proffesional workers does nothing used on the chisel. BUT ... Small independent workers usually.

broken power cable or autostop inside the carbon brush they are short its time for a revision !!

An suppresion capacitor is become damage by the switch or is the armature or electric field have a problem

please

Turmopol 20 HD Elektrowerkzeuge eBay

Use a burner to make the work a little bit lighter but wear safety glasses by this job en een leather apron because of the hard metal pieces that can be come of the chisel sometimes if its an heavy machine unmount first the sleeve, from the machine if you have luck to find somebody with a bearing press can make it come loose , but if its handling a little demolition hammer replace the locking sleeve the drill guide is most times worn if you have used the right chisel for your machine.

Makita have most cases a problem with the stroke bolt in front of the locking sleeve a broken ring that will blocked the stroke bolt. In some cases the locking sleeve is also damaged , a rotary hammer is not made for demolition only a little small task but not for a long load , the metal pieces of the machine is no hard enough for long lasting .

Its need service if its anchor / drive gear is worn or the o-rings seals are worn, if its this model hammer make a trade-in service that in case its an old hammer like this model its not the model to service by your one the best option is trade-in by your dealer. if its handle this model http://dasen-hammer.en.made-in-china.com/product/BMgJKvoEXFpm/China-High-Quality-11e-1500W-Electrical-Demolition-Hammer.html

It can also be a suppression capacitor by the switch , or the electric field itself one or both coil fiels are gone.

Or a wedge is broken on the drive gear or anchor and drive gear must ALWAYS be replaced together if the teeth are worn.

http://powertool.manualsonline.com/manuals/mfg/bosch_power_tools/bh2760vc.html