27TROUBLESHOOTING TIPSCARE & CLEANINGWith time and use, the clamping surfaces of your machine may become oily or dirty and resultin string or clamp slippage while stringing. Periodic cleaning of the String Clamps, String ClampBase and String Gripper is recommended.The supplied Cleaning Stone or a knife sharpeningstone works well for cleaning the diamond coated string clamping surfaces. Cleaning with asolvent such as isopropyl alcohol and a mild abrasive tool such as a toothbrush also workswell to remove oily or greasy build up.PROBLEM SOLUTIONString slips in clamps - Adjust gap between clamp jaws- Clean clamp jawsString slips in gripper - Adjust gripper jaw stop screw- Clean gripper jawsString clamp base slips on turntable - Clean bottom of clamp & top of turntable withalcohol- Adjust clamp base locking nutString tension too tight or too loose - Check tension using a tension calibrator,adjust machine calibration if necessaryElectrical system does not function - Check power source- Check power cord connections