As the rotary hammer used day by day, sometimes it will out of work. Then we have to know what happed on it.
One of the main problem is electric problem. The appearance usually as Open circuit fault, Short fault, Commutator & Rotor fault.
Here we list fewer easy testing methods for your reference, if it could not help, please ask help from the prfessional person.
Testing methods:
1. Connecting your machingn to universal meter, swing your cord, if the digital changed all the time, it should be the cord broken. Then we need to replace the cord .
2. Connectingn your switch to universal meter, if it out of work, then the switch broken, we need to replace the switch.
3. Checking the surface of the carbon brush, if it's pitted, then the carbon brsh could not connecting well, we need to replace the carbon brush .
4. Connecting your machine to universal meter, turning the rotor (armature), if the digital changed a lot, then the rotor (armature) need replace.
Want to know more replacement parts and method, please visit our website www.bakparts.com.
Taizhou Bak Industry & Trading CO.,LTD
1202,Tianshi Building,Luqiao,Taizhou,Zhejiang,P.R.China
Tel:0086-576-80256655 Fax:0086-576-80256656
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Skype:jinyingyang
Email:sales3@tzbak.com
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