Note:
Sometimes the power tool does not begin the striking the stroke even the motor keep running,
because oil inside become thick. If the power tool is used at a low temperature, or it is used after a
long idle time, this demolition hammer should be kept running for above 5 minutes to warm up.
How to replace grease
This demolition hammer is full of air-tight structure to protect against dust and to prevent lubrication
leakage.
Therefore, this hammer can be used without lubrication for a long period. Replace grease as
described below.
1. After purchase, replace the grease inside each time when carbon brush was
changed. Before do it, please unplug the plug!
2. Please open the grease cover as picture
Show, wipe off all old grease completely,
Then replace with new specified grease
30g, Oil type is:Egols8466,quantity is 30g.
too more or too little will cause the
machine non-properly work.
3. Make sure that lock the cover tightly,
And assembly the disassembled parts correctly
4. Clean the machine.
Maintenance and inspection
Before do any maintenance, ensure unplug the plug.
1. Inspecting the demolition hammer
Use a dull accessory, such as bull point, cutter, etc., will cause motor malfunction and
efficiency degraded. Replace with a new one when your accessory is abased.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that they are properly tightened. Any loose
should be tighten immediately, failure to do maybe cause serious hazard.
3. Inspecting the bit retainer
The retainer may become loose due to excessive use. Make sure the bit shank position is hold
securely, if any wear or damage is found, ask the authorized service people to maintenance.
4. Maintenance the motor
The motor is the heart of the machine, please avoid any damage to the winding, or any water
and oil to wet it.
5. Carbon brush replacements
5.1 Carbon brushes are consumable parts, when it becomes worn or "limit worn" it can cause
motor trouble, we use auto-stop carbon brush, it stopped automatically when carbon brush worn
5. Maintenance
