First, the personal protection:

1, hammer operator need to wear protective glasses when the face-up job, you need to wear a protective mask

2, long-term jobs, fortress good earplugs to reduce the impact of noise,

3, long-term operation, the drill bit external burning state, replace the drill bit Note

Second, the hammer before use

1, confirm the site connected power supply nameplate are consistent with the hammer, then whether there is leakage protection, power supply voltage should not exceed the specified voltage + 10% before using the hammer plate,

2, the presence of the relevant supervisory staff

3, check the hammer housing, handle, sturdy screws, rubber parts, dust cover, drill, protective conductor is normal

4, if the workplace away from the power source, if desired extension cord must be used to extend the cable capacity sufficient qualified and have some protective measures

5, confirm the hammer used to meet the requirements of the hole to be drilled

6, and the bit holder to be fitted and properly installed

7, before installing or removing the drill, the tool must be turned off the power switch at the plug

8, before installation drill, drill rods need to be cleaned and coated with grease drill

9, before the hammer is plugged into, be sure to confirm the switch trigger start properly, and to retreat back to the closed position releasing

10, confirmed that the hammer switch is off, if turned off, then plug into a power outlet when the power tool will start turning immediately, which could lead to some dangerous

11, drilling walls, ceilings, floors when, you need to confirm whether the buried cables and pipelines

12, the job aperture at 25mm or more, the need for a stable operating platform, and there needs to be set around the fence

13, 30-40 to check before using the idle gear is flexible, the spark is normal

14, the new machine is not used for a long time or a hammer, before use, you need to warm-up idling for 1-2 minutes, re-use lubricant evenly distributed in various parts of mechanical transmission, thus reducing internal mechanical wear and tear