[. . . ] Observe the instructions of the manufacturer for correct mounting and use of wheels. Do not damage the spindle or the flange (especially the installing surface). [. . . ] CAUTION: • Use only the Dolmar wrench to install or remove the wheel. 2) CAUTION: • The wheel guard must be adjusted on the tool so that the closed side of the guard always points toward the operator. The wheel guard can be adjusted about 80 degrees, after you loosen the clamping nut. 3) CAUTION: • Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released. For tool with the lock-on switch To start the tool, simply pull the switch trigger. For continuous operation, pull the switch trigger (A direction) and then push in the lock lever. (B direction) To stop the tool from the locked position, pull the switch trigger (A direction) fully, then release it. For tool with the lock-off switch To prevent the switch trigger from accidentally pulled, a lock lever is provided. To start the tool, push in the lock lever (B direction) and then pull the switch trigger. For tool with the lock on and lock-off switch To prevent the switch trigger from accidentally pulled, a lock lever is provided. To start the tool, push in the lock lever (B direction) and then pull the switch trigger. For continuous operation, push in the lock lever, (B direction) pull the switch trigger (A direction) and then push the lock lever (B direction) further in. To stop the tool from the locked position, pull the switch trigger (A direction) fully, then release it. 6) When you wish to perform cleaner operation, connect a vacuum cleaner to your tool. [. . . ] To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Dolmar Authorized Service Centers, always using Dolmar replacement parts. ACCESSORIES CAUTION: • These accessories or attachments are recommended for use with your Dolmar tool specified in this manual. [. . . ]