Ryobi BD4601 Operation Manual - Page 12

MAINTENANCE WARNING: When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: Always wear eye protection with side shields marked to comply with ANSI Z87.1 during product operation. If operation is dusty, also wear a dust mask. WARNING: Before performing any maintenance, make sure the tool is unplugged from the power supply and the switch is in the off ( O ) position. Failure to heed this warning could result in serious personal injury. GENERAL MAINTENANCE Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc. LUBRICATION All of the bearings in this tool are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normal operating conditions. Therefore, no further lubrication is required. CHANGING DRIVE BELT See Figure 22, page 19. n Unplug the belt/disc sander. n Using a phillips head screwdriver, remove the screw in the center of the belt cover. n Remove the cover. n Loosen the three tension screws inside the pulley housing then push the housing down to loosen the belt tension. n Remove the old drive belt. n Fit the new drive belt on the drive pulley first then on the motor pulley. n Test belt tension by squeezing the belt with your fingers. n Push the pulley housing up to increase belt tension until there is about 1/4 inch of give. n Tighten the tension screws securely. n Using a phillips head screwdriver, reinstall the pulley cover and the screw. Tighten securely. WARNING: Do not at any time let brake fluids, gasoline, petroleumbased products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken or destroy plastic which may result in serious personal injury. 12 - English