Ryobi D550H manual Maintenance, General, Lubrication, Helpful Tips

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OPERATION

HELPFUL TIPS

When drilling hard, smooth surfaces, use a center punch to mark the desired hole location. This mea- sure will prevent the drill bit from slipping off center as you start the hole. However, the variable speed feature allows you to start holes without center punching. To accomplish this, operate the drill at a low speed until you start the hole.

When drilling metals, use a light oil on the drill to keep it from overheating. The oil will prolong the life of the bit and increase the drilling action.

If the bit jams in the workpiece or if the drill stalls, stop the tool immediately. Remove the bit from the workpiece and determine the reason for jamming.

MAINTENANCE

WARNING:

When servicing use only identical Ryobi replacement parts. Use of any other parts may create a hazard or cause product damage.

GENERAL

Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, carbon dust, etc.

WARNING:

Always wear safety goggles or safety glasses with side shields during power tool operation or when blowing dust. If operation is dusty, also wear a dust mask.

WARNING:

Do not at any time let brake fluids, gasoline, petro- leum-based products, penetrating oils, etc. come in contact with plastic parts. They contain chemicals that can damage, weaken, or destroy plastic.

When electric tools are used on fiberglass boats, sports cars, wallboard, spackling compounds, or plaster, it has been found that they are subject to accelerated wear and possible premature failure, as the fiberglass chips and grindings are highly abrasive to bearings, brushes, commutators, etc. Consequently, we do not recommended that this tool be used for extended work on any fiberglass material, wallboard, spackling compounds, or plaster. If, however, you do work with any of these materials, it is extremely important that the tool is cleaned frequently by blowing with an air jet.

LUBRICATION

All the bearings in this tool are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normal operating conditions. Therefore, no further lubrication is required.

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Contents Save this Manual for Future Reference Operators ManualIntroduction Table of ContentsElectrical Safety General Safety RulesPersonal Safety Work AreaService Specific Safety RulesAdditional Safety Rules Symbol Name DESIGNATION/EXPLANATION SymbolsUnpacking SpecificationsApplications InstructionsFeatures Chuck Mode Depthselector Gauge ROD LOCK-ON ButtonInserting Bits OperationRemoving Bits Chuck Jaws Drill BIT Chuck Collar Right WrongAdjusting the Depth Gauge ROD Adjusting the Handle AssemblyAdjusting the Drill Mode Handle Assembly Adjust Depth Gauge RODChanging the Rotation Adjusting the SpeedTurning the Hammer Drill ON/OFF LOCK-ON Button Switch TriggerLocking on DrillingGeneral MaintenanceLubrication Helpful TipsTightening the Chuck Removing the ChuckMallet Chuck Jaws HEX KEY Screwdriver Page Service Model NO. and Serial no