
Install head valve piston set. Contact an *AWSC Sluggish operation. O-rings blown on head valve. Loose driver guide screws. Install head valve piston set. Contact an *AWSC Tighten screws. Air leak near bottom of tool. Bumper or piston o-rings worn. Replace bumper or piston assembly. Purchase a Bottom Repair Kit Tool does nothing. Air supply inadequate. O-rings failed on head valve piston set. Check PSI and CFM. Install head valve piston set. Contact an *AWSC Poor driver blade return. Dirty cylin