Since reform and opening up over the past 20 years, a lot of buildings have to dismantle, road, municipal underground pipeline to upgrade, demolition hammer is only in recent years a large number of use, so the electric pick also calls the corps of demolition hammer, in terms of usage and after-sale maintenance, many customers are not very understanding, in the steady electric pick manufacturer special emphasis on analysis and summary, of the three categories of specific reasons, reference for agents, distributors and users.


First, fault phenomenon: after power on, click the normal operation, no impact, or impact is not large


Cause analysis/exclusion method:


1, the head assembly of the pick is out of order/the head assembly is not clean, there are impurities inside, a few drops of good oil (thin) or salad oil after cleaning, connecting rod, piston, hammer on the leather ring goods or imported ring wear and replace


2. Break/replace the crankshaft


3. Wear and replace the big teeth on the crankshaft


4, rotor tooth wear/rotor replacement


Ii. Fault phenomenon: no response after power on


Cause analysis/exclusion method:


1. The switch wire is broken/replace the switch or wire


2. The stator or rotor is burnt/replaced


3. The stator ring puller is burned/replaced


4. Wear and replace the carbon brush


Three, fault phenomenon: after power without noise hammer strength but large rotor spark


Cause analysis/exclusion method:


1. Wear and replace the carbon brush


2. Brush stand is loose/fixed. Replace the brush stand