1．Check if there are oil in the oil mist device, ensure lubrication of gas motor.
2．Ensure clean compressed air, avoid the wear reduce the life of gas motor.
3．Regularly check worn condition of rubber seals.
4．Replace of badly worn bearings and gears, clean oil stains and replace lubricant.
5．After use of rig, wipe dust, dirt, check the fastenings condition of crew and nut.
6．After inspection and cleaning, kept in a dry place to prevent corrosion.
7．The problem must be promptly handled and replaced parts.
8. If feel bored during drilling or slow down the drilling speed, check the drill bit if blunt needed to re-sharpening or lack of pressure
9. Please adjust the numbers when need impact to push putter.
10. Avoid idling, not to damage the mechanical parts.
11. Install sliding sleeve on head of Pneumatic Percussion Drill to load and unload.
