4SERVICE23. Tool service must be performed only byqualified repair personnel. Service or main-tenance performed by unqualified personnelcould result in a risk of injury.24. When servicing a tool, use only identicalreplacement parts. Follow instructions inthe Maintenance section of this manual.Use of unauthorized parts or failure to followMaintenance instructions may create a risk ofelectric shock or injury.USE PROPER EXTENSION CORD: Make sure your extension cord is in good condition.When using an extension cord, be sure to use one heavy enough to carry the current yourproduct will draw. An undersized cord will cause a drop in line voltage resulting in loss ofpower and overheating. Table 1 shows the correct size to use depending on cord length andnameplate ampere rating. If in doubt, use the next heavier gage. The smaller the gage num-ber, the heavier the cord.SPECIFIC SAFETY RULES USB042-2DO NOT let comfort or familiarity with product (gained fromrepeated use) replace strict adherence to planer safety rules. Ifyou use this tool unsafely or incorrectly, you can suffer seriouspersonal injury.1. Rags, cloth, cord, string and the likeshould never be left around the work area.2. Avoid cutting nails. Inspect for andremove all nails from the workpiecebefore operation.3. Use only sharp blades. Handle the bladesvery carefully.4. Be sure the blade installation bolts aresecurely tightened before operation.5. Hold the tool firmly with both hands.6. Keep hands away from rotating parts.7. Before using the tool on an actual work-piece, let it run for a while. Watch forvibration or wobbling that could indicatepoor installation or a poorly balancedblade.8. Make sure the blade is not contacting theworkpiece before the switch is turned on.9. Wait until the blade attains full speedbefore cutting.Table 1: Minimum gage for cordAmpere Rating Volts Total length of cord in feet120 V 25 ft. 50 ft. 100 ft. 150 ft.More Than Not More Than AWG0 6 18 16 16 146 10 18 16 14 1210 12 16 16 14 1212 16 14 12 Not Recommended