Do you need grease for the electric hammer?
To play a few blocks before the pull, pull out against the block assembly is pulled out, the drive shaft groove and two ball parts of grease, and on the planetary gear will be finished by the demolition of the order, and mounted on the output shaft, blow piece, gasket, front aluminum cover and tighten the screws.
Yes! Remove the front aluminum parts, remove the output shaft, add grease at the circumference and inside.