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Page 12

BRUSH REPLACEMENT

See Figure 8.

Your grinder has externally accessible brush assemblies
that should periodically be checked for wear.

PROCEED AS FOLLOWS WHEN REPLACEMENT IS
REQUIRED:

UNPLUG YOUR GRINDER.

WARNING:

Failure to unplug your grinder could result in accidental
starting causing serious injury.

Remove brush cap with a flat blade screwdriver. Brush
assembly is spring loaded and will pop out when you
remove brush cap.

Remove brush assembly (brush and spring).

Check for wear. If worn, always replace in pairs.

Do not

 replace one side without replacing the other.

LUBRICATION

All of 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.

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:

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

Fig. 8

BRUSH

ASSEMBLY

BRUSH CAP

BRUSH CAP

BRUSH

ASSEMBLY

MAINTENANCE

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.

Summary of Contents for G1151C

Page 1: ... this entire owner s manual before using your new angle grinder Pay close attention to the Rules for Safe Operation Warnings and Cautions If you use your grinder properly and only for what it is intended you will enjoy years of safe reliable service Please fill out and return the Warranty Service Registration Card so that we can be of future service to you Thank you again for buying Ryobi tools SP...

Page 2: ...ifications 1 Typical Application 2 Rules For Safe Operation 3 6 Unpacking 6 Features 7 Adjustments 8 9 Operation 9 10 Maintenance 11 12 Parts Ordering Service 14 TABLE OF CONTENTS G1151C ANGLE GRINDER TYPICAL APPLICATION ...

Page 3: ...sdonotneedtobegrounded IMPORTANT Servicing of a tool with double insulation requires extreme care and knowledge of the system and should be performed only by a qualified service technician For service we suggest you return the tool to your nearest RYOBI FACTORY or AUTHORIZED SERVICE CENTER for repair When servicing use only identical Ryobi replacement parts The purpose of safety symbols is to attr...

Page 4: ...veryday eyeglasses have only impact resistant lenses they are NOT safety glasses 12 PROTECT YOUR LUNGS Wear a face or dust mask if operation is dusty 13 PROTECT YOUR HEARING Wear hearing protection during extended periods of operation 14 DON T ABUSE THE CORD Never carry the tool by its cord or yank the cord to disconnect it from the receptacle Keep the cord from heat oil and sharp edges 15 SECURE ...

Page 5: ...1 DO NOT USE A TOOL IF THE SWITCH DOES NOT TURN IT ON AND OFF Have defective switches replaced by a RYOBI FACTORY or AUTHORIZED SERVICE CENTER 32 NEVER LEAVE THE TOOL RUNNING UNATTENDED Turn off the power Do not leave the tool until it comes to a complete stop 33 DRUGS ALCOHOL MEDICATION DO NOT operate tool while under the influence of drugs alcohol or any medication 34 REPLACEMENT PARTS When serv...

Page 6: ...ed do not install it 4 Do not overtighten the clamp nut on the grinding wheel Excessive tightening can cause the wheel to crack during operation 5 Make sure that the guard is in good condition and securely installed before operating grinder 6 Do not clamp the grinder in a vise or use as a fixed grinder 7 Never turn on the grinder with the grinding wheel or any rotating parts touching the workpiece...

Page 7: ... required SPINDLE LOCK BUTTON The spindle lock button secures the spindle so that only one wrench is needed to change the grinding wheel SIDE HANDLE The side handle provided stabilizes your grinder and must be used during all grinding operations In addition to maintaining safe control during use the side handle also provides convenient ease of operation for the operator APPLICATIONS Use only for t...

Page 8: ... clamp nut attached to the spindle Depress spindle lock button and rotate clamp nut until spindle locks Loosen and remove clamp nut from spindle Do not remove disc flange Make sure flats on disc flange are engaged with flats on spindle Place the grinding wheel over the spindle with the concave side of the wheel facing up WARNING Always install grinding wheel with the depressed center against the d...

Page 9: ...arks from metal grinding can cause a fire Avoid spark contact with flammable materials such as saw dust or clothing Grinding wheels must be free of fissures and cracks Fissures and cracks can cause a grinding wheel to shatter resulting in possible serious injury Thoroughly inspect a new grinding wheel before it is installed on the grinder 1 Use a wooden hammer for the inspection 2 Using the hammer...

Page 10: ...und at an acute angle normally between 5 to 15 degrees For maximum control hold the grinder in front and away from you with both hands keeping the grinding wheel clear of the workpiece Start your grinder and let the motor and grinding wheel build up to full speed Gradually lower grinder until the grinding wheel contacts the workpiece For best results keep the grinder tilted at an angle from 5 to 1...

Page 11: ...osen the clamp screw until the guard can be adjusted or removed If you are making adjustments rotate the guard to its correct position as shown in figure 7 then retighten clamp screw securely Never use your grinder with out the guard correctly in place If you are replacing the guard loosen the clamp screw until the guard and clamp can be removed from the bearing cap Place the new guard and clamp o...

Page 12: ...ol are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normaloperatingconditions Therefore nofurtherlubrication is required GENERAL Avoidusingsolventswhencleaningplasticparts Mostplastics 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 Do not at any...

Page 13: ...Page 13 NOTES ...

Page 14: ...ket Before using any extension cord inspect it for loose or exposed wires and cut or worn insulation Ampere rating on tool data plate 0 2 0 2 1 3 4 3 5 5 0 5 1 7 0 7 1 12 0 12 1 16 0 Cord Length Wire Size A W G 25 16 16 16 16 14 14 50 16 16 16 14 14 12 100 16 16 14 12 10 CAUTION Keep the extension cord clear of the working area Position the cord so that it will not get caught on workpiece tools or...

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