Harbor Freight Tools 99612 User Manual - Page 10

4. There must not be hazardous ob- 6. CAUTION! TO PREVENT TOOL jects (such as utility lines or foreign AND ACCESSORY FAILURE, objects) nearby that will present a RESULTING IN INJURY: hazard while working. Do not exceed the tool's maximum air pressure rating of 90 PSI. General Operating Instructions If the tool still does not have sufficient 1. If an automatic oiler is not used, add a few drops of Pneumatic Tool Oil to the airline connection before use. force at maximum pressure and sufficient airflow, then a larger tool may be required. Add a few drops more after each 7. To prevent accidents, when finished hour of continual use. working, release the Control Lever 2. This Die Grinder has a variable speed control. By squeezing the (4), detach the air supply, safely discharge any residual air pressure. Control Lever (4) you can control the 8. Clean external surfaces of the tool speed of the action. Squeeze more with clean, dry cloth, and apply a thin for higher speed and less for slower coat of tool oil. Then store the tool speed. indoors out of children's reach. 3. If you are working in tight areas where light is a premium, switch on TROUBLE SHOOTING the LED Light (38) by pushing the Switch (37). When (or if) light is not needed be sure to turn off by depressing the Switch (37). Problem Die Grinder Possible Causes 1. Problem with air supply. Possible Solutions 1. Check air hoses and replace 4. To begin, grip the Die Grinder firmly. Start grinding by squeezing the Control Lever (4) gently before you touch not achieving full RPM speed 2. Faulty if necessary. NEVER repair air hoses. 2. Check regulator the Die Grinder to the work surface. regulator on compressor. and replace if needed. 5. Allow the grinding attachment (not included) to do the work. Do not use excessive force against the surface you are grinding. If you place too much pressure on the workpiece and the Die Grinder stalls, immediately release the Control Lever (4) 3. Obstructed Control Lever (4). Grinder is not shaving metal fast 1. Grinding attachment is not coarse enough. 3. Clean around Control Lever (4) to ensure free movement. 1. Change grit of grinding attachment. Higher numbers, and pull the Die Grinder away from the work surface. If the tool requires more force to accomplish the task, enough more coarse. Smaller numbers, less coarse. verify that the tool is receiving suffi- cient, unobstructed airflow (CFM) and increase the pressure (PSI) output of the regulator up to the maximum air pressure rating of this tool (90PSI). SKU 99612 For technical questions, please call 1-800-444-3353. Page 10