
To keep your HiKOKI DH40MEYWSZ Combination Hammer running smoothly, the instruction manual advises replacing the grease every six months of use. This routine is crucial for the tool's performance and lifespan. For the best results, take your rotary hammer to an authorized HiKOKI Service Center. They have the expertise and correct lubricants to perform the grease replacement correctly. Consistent maintenance, including adhering to the grease replacement schedule, will help maintain your tool's efficiency and extend its working life.


