Ryobi D550H- Manuals

6 SPECIFICATIONS UNPACKING INSTRUCTIONS Your hammer drill has been shipped completelyassembled. ■ Carefully remove the tool from the box. Make surethat all items listed in the packing list are included. ■ Inspect the tool carefully to make sure no breakageor damage occurred during shipping. ■ Do not...

7 DOUBLE INSULATION Double insulation is a concept in safety in electric powertools, which eliminates the need for the usual three-wiregrounded power cord. All exposed metal parts areisolated from the internal metal motor components withprotecting insulation. Double insulated tools do not needto be ...

9 Fig. 2 WARNING: Always wear safety goggles or safety glasses withside shields when operating this tool. Failure to doso could result in dust, shavings, or loose particlesbeing thrown into your eyes, resulting in possibleserious injury. INSERTING BITS See Figure 2. Follow these directions to insert...

10 OPERATION Fig. 4 Fig. 5 ADJUSTING THE HANDLE ASSEMBLY See Figure 4. Follow these directions to adjust the handle assembly. ■ Unplug the hammer drill. WARNING: Failure to unplug the tool could result in accidentalstarting causing possible serious injury. ■ Loosen the handle assembly by turning the...

11 OPERATION ADJUSTING THE SPEED See Figure 7. The hammer drill has a two-speed knob that provides ahigh speed of approximately 3,000 RPM and a lowspeed of approximately 1,000 RPM (stated speeds arewith the trigger switch in the “Full-on” position). Follow these directions to adjust the speed. ■ Unp...

12 2 1 1 - - OPERATION Fig. 10 Fig. 11 TURNING THE HAMMER DRILL ON/OFF See Figure 9. Follow these directions to turn the hammer drill on andoff. ■ To turn the drill on : Depress the switch trigger. ■ To turn the drill off : Release the switch trigger. LOCKING ON See Figure 10. The lock-on feature al...

13 WARNING: When servicing use only identical Ryobi replacement parts. Use of any other parts may create a hazard or causeproduct damage. GENERAL Avoid using solvents when cleaning plastic parts. Mostplastics are susceptible to damage from various types ofcommercial solvents and may be damaged by th...

14 MAINTENANCE Fig. 13 Fig. 14 REMOVING THE CHUCK See Figures 12, 13, and 14. Follow these directions to remove the chuck. ■ Unplug the hammer drill. WARNING: Failure to unplug the tool could result in accidentalstarting causing possible serious injury. ■ Open the chuck jaws by turning the chuck col...

OPERATOR'S MANUAL HAMMER DRILL - 1/2 in. (13 mm) D550H VARIABLE SPEED – DOUBLE INSULATED RYOBI TECHNOLOGIES INC. 1428 Pearman Dairy Road Anderson, SC 29625 Post Office Box 1207 Anderson, SC 29622 www.ryobitools.com Phone 1-800-525-2579 983000-129 9-02 • SERVICE Now that you have purchased your tool,...

6 SPECIFICATIONS UNPACKING INSTRUCTIONS Your hammer drill has been shipped completelyassembled. ■ Carefully remove the tool from the box. Make surethat all items listed in the packing list are included. ■ Inspect the tool carefully to make sure no breakageor damage occurred during shipping. ■ Do not...

7 DOUBLE INSULATION Double insulation is a concept in safety in electric powertools, which eliminates the need for the usual three-wiregrounded power cord. All exposed metal parts areisolated from the internal metal motor components withprotecting insulation. Double insulated tools do not needto be ...

9 Fig. 2 WARNING: Always wear safety goggles or safety glasses withside shields when operating this tool. Failure to doso could result in dust, shavings, or loose particlesbeing thrown into your eyes, resulting in possibleserious injury. INSERTING BITS See Figure 2. Follow these directions to insert...

10 OPERATION Fig. 4 Fig. 5 ADJUSTING THE HANDLE ASSEMBLY See Figure 4. Follow these directions to adjust the handle assembly. ■ Unplug the hammer drill. WARNING: Failure to unplug the tool could result in accidentalstarting causing possible serious injury. ■ Loosen the handle assembly by turning the...

11 OPERATION ADJUSTING THE SPEED See Figure 7. The hammer drill has a two-speed knob that provides ahigh speed of approximately 3,000 RPM and a lowspeed of approximately 1,000 RPM (stated speeds arewith the trigger switch in the “Full-on” position). Follow these directions to adjust the speed. ■ Unp...

12 2 1 1 - - OPERATION Fig. 10 Fig. 11 TURNING THE HAMMER DRILL ON/OFF See Figure 9. Follow these directions to turn the hammer drill on andoff. ■ To turn the drill on : Depress the switch trigger. ■ To turn the drill off : Release the switch trigger. LOCKING ON See Figure 10. The lock-on feature al...

13 WARNING: When servicing use only identical Ryobi replacement parts. Use of any other parts may create a hazard or causeproduct damage. GENERAL Avoid using solvents when cleaning plastic parts. Mostplastics are susceptible to damage from various types ofcommercial solvents and may be damaged by th...

14 MAINTENANCE Fig. 13 Fig. 14 REMOVING THE CHUCK See Figures 12, 13, and 14. Follow these directions to remove the chuck. ■ Unplug the hammer drill. WARNING: Failure to unplug the tool could result in accidentalstarting causing possible serious injury. ■ Open the chuck jaws by turning the chuck col...

OPERATOR'S MANUAL HAMMER DRILL - 1/2 in. (13 mm) D550H VARIABLE SPEED – DOUBLE INSULATED RYOBI TECHNOLOGIES INC. 1428 Pearman Dairy Road Anderson, SC 29625 Post Office Box 1207 Anderson, SC 29622 www.ryobitools.com Phone 1-800-525-2579 983000-129 9-02 • SERVICE Now that you have purchased your tool,...