Bosch 1873-8 Operating Instructions - Page 7

BM 1609929H54 08-06 8/3/06 11:44 AM Page 7 Grinder Assembly WHEEL GUARD INSTALLATION ! WARNING Use wheel guard with disc grinding wheels. Always close the latch to secure the guard. Keep the guard between you and the wheel. Do not direct guard opening toward your body. The position of the guard can be adjusted to accommodate the operation being performed. To attach wheel guard DISCONNECT tool from power source. Open guard release/lock latch and position guard on spindle neck so that the two bumps on guard, line up with the two notches on the spindle neck. Rotate guard either direction to desired position, and close latch to secure guard in place. TO REMOVE GUARD: Open guard release/lock latch, rotate guard until the two bumps on guard line up with the two notches on the spindle neck, and lift guard off the spindle neck. LOCK NUT AND BACKING FLANGE Your tool is equipped with a threaded spindle for mounting accessories. Always use the lock nut and backing flange that has same thread size as spindle. DISC GRINDING WHEEL ASSEMBLY Disconnect tool from power source. Be sure that wheel guard is in place for grinding. When using spin-on grinding wheels, thread directly onto the spindle. When using mounting wheels, thread BACKING FLANGE onto spindle, then place GRINDING WHEEL on the spindle. Thread on the lock nut and tighten nut using a lock nut wrench provided with adapter kit, while holding the spindle lock in. TO REMOVE: Reverse procedure. CUP GRINDING WHEELS Use cup grinding wheels for heavy-duty stock removal of metals, concrete and stone. ADJUSTABLE CUP WHEEL GUARD INSTALLATION Open the guard clamp and fit it on the mounting flange then secure by tightening the clamp screw. ALWAYS HAVE THIS GUARD ATTACHED WHEN USING CUP GRINDING WHEELS The adjustable guard allows you to lower or raise the guard's shell. TO ADJUST: Loosen the four bolts on the shell, and secure the shell for 1/4" wheel exposure for maximum safety. ATTACHING CUP GRINDING WHEEL Thread the cup grinding wheel on the spindle shaft CLOCKWISE. Press in the spindle lock button and turn the cup grinding wheel until the lock button engages, then tighten the wheel securely by hand. TO REMOVE: Reverse procedure. MOUNTING FLANGE SPINDLE GUARD RELEASE / LOCK LATCH BUMPS SPIN-ON GRINDING WHEEL WHEEL GUARD SPINDLE BACKING FLANGE DISC GRINDING WHEEL LOCK NUT -7- MOUNTING FLANGE ADJUSTABLE GUARD SHELL BOLT CUP GRINDING WHEEL