Previous page Next page 1 12 Vario-Lock Positioning 2 Lock-On Button 3 Anti-Vibration 4 Adjustable Handle SDS-Max Tool Free System ATTENTION: The Berserker 45HM is only adapted to SDS-Max type chisels!!! Chisels can be changed without the use of additional tools, while maximum impact energy transfer is achieved through automatic chisel head locking. Grease & Carbon Brushes When you notice that the hammer drill is weak, you may need to add grease, about 1 oz at a time. And you may need to replace the carbon brushes if you notice an odor or sparking. Regular maintenance improves efficiency and extends service life. What jobs is the Berserker 12 lbs small jack hammer best suited for? Slotting, tile remove, floor demolition, lightweight concrete chipping/breaking work. Berserker demolition hammer only have "hammer only" function and "variable-lock positioning" function? Yes, it doesn't have a "rotate or drill" function, only a "hammer only" function and "variable-lock positioning" function. Can't lock the bit in place? Can't get the chisel out? It is normal for the chisel to move up and down as it is inserted into the machine.If the chisel can't be inserted or removed, check that the chisel position adjustment chuck is restored to its initial position. Which chisel and grease are used? Any SDS-Max model chisel can be used. Shell Gadus S5 Grease Series and Mobil SHC Series will be ok for Berserker demolition jackhammer. What should I do if I have problems with demo hammer? You can contact via buyer message and we will provide you with a solution. Berserker Concrete Demolition Series Demolition Hammer 45HM Add to Cart Rotary Hammer 42M Add to Cart Demolition Hammer 55HD Add to Cart Jack Hammer 65H Add to Cart Jack Hammer 65F Add to Cart Jack Hammer 125K Add to Cart Customer Reviews 4.7 out of 5 stars 395 4.4 out of 5 stars 351 4.6 out of 5 stars 39 4.7 out of 5 stars 140 4.7 out of 5 stars 176 4.7 out of 5 stars 176 Price $119.79$119.79 $169.79$169.79 $149.79$149.79 $199.79$199.79 $249.79$249.79 $799.79$799.79 Weight 12 Lbs 16 Lbs 15.58 Lbs 25 Lbs 31 Lbs 51 Lbs Impact Energy 11.1 Ft.lbs. (15 Joules) 7.38 Ft.lbs. (10 Joules) 18.44 Ft.lbs. (25 Joules) 33.2 Ft.lbs. (45 Joules) 40.6 Ft.lbs. (55 Joules) 62.7 Ft.lbs. (85 Joules) Power 1300 Watts 1600 Watts 1300 Watts 1700 Watts 1700 Watts 2100 Watts Amp 11 Amp 13 Amp 11 Amp 14 Amp 14 Amp 17 Amp Chuck Type SDS-Max SDS-Max SDS-Max SDS-Max SDS-Hex SDS-Hex Rotary Hammer Function ✘ ✔ ✘ ✘ ✘ ✘ Hammer Only Function ✔ ✔ ✔ ✔ ✔ ✔ Chisel Position Adjustment ✔ ✔ ✔ ✔ ✘ ✘ Applicable Scenarios Lightweight floor/wall removal Floor&wall drilling/chipping Medium-duty floor/wall removal Heavy concrete demolition work Heavy concrete demolition work Concrete road demolition