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Arbor

The shaft on which a blade or cutting tool is mounted.

Bevel Cut

A cutting operation made with the blade at any angle other
than 90° to the mitre table.

Cross Cut

A cutting or shaping operation made across the grain of the
workpiece.

Compound Mitre Cut

A compound mitre cut is a cut made using a mitre angle and a
bevel angle at the same time.

Freehand

Performing a cut without using a fence, mitre guage, fixture,
work clamp, or other proper device to keep the work piece
from twisting or moving during the cut.

Gum or Resin

A sticky, sap based residue from wood products.

Mitre Cut

A cutting operation made with the blade at any angle other
than 90° to the fence.

Revolutions Per Minute (RPM)

The number of turns completed by a spinning object in one
minute.

Saw Blade Path

The area along which the blade travels.

Set

The distance that the tip of the saw blade tooth is bent (or set)
outward from the side of the blade.

Throw-Back

Throwing of a workpiece in a manner similar to a kickback.
Usually associated with a cause other than the kerf closing,
such as a workpiece not being against the fence, being
dropped into the blade, or being placed inadvertently in
contact with the blade.

Through Sawing

Any cutting operation where the blade extends completely
through the thickness of the workpiece.

Workpiece

The item on which the cutting operation is being done. The
surfaces of a workpiece are commonly referred to as faces,
ends and edges.

Zero Clearance Throat Plate

A plastic throat plate inserted in the mitre table that allows for
blade clearance. When you make your first cut with your
compound mitre saw, the saw blade cuts a slot through the
throat plate the exact width of the blade. This provides for a
zero clearance kerf that minimises workpiece tear out.

No Hands Zone

The area between the marked lines on the left and right side
of the mitre table base. This zone is identified by no hands
zone labels placed inside the marked lines on the mitre table
base.

GLOSSARY OF TERMS FOR WOODWORKING

MAINTENANCE

Page 4

WARNING: When servicing, use only identical Ryobi
replacement parts. Use of any other part 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.

It has been found that electric tools are subject to accelerated
wear and possible premature failure when they are used on
fibreglass boats, sports cars, wallboard, spackling compounds,
or plaster. The chips and grinding from these materials are
highly abrasive to electric tool pars such as bearings, brushes,
commutators, etc. Consequently, it is not recommended that
this tool be used for extended work on any fibreglass 
material, wallboard, spackling compounds, or plaster. During
any use on these materials it is extremely important that the
tool is cleaned frequently by blowing with an air jet.

■ 

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.

■ 

EXTENSION CORDS

The use of any extension cord will cause some loss of power.
To keep power loss to a minimum and to prevent tool
overheating, use an extension cord that is heavy enough to
carry the current the tool will draw.
A wire gauge size (A.W.G.) of at least 16 is recommended for
an extension cord 50 feet or less in length. When working
outdoors, use an extension cord that is suitable for outdoor
use.

If the supply cord is damaged, it shall be replaced by the
manufacturer or its service agent in order to avoid a hazard.
Disconnect from the supply immediately, if the supply cable is
damaged.

Take care not to expose this tool to rain.

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

CAUTION: Keep extension cords away from the
cutting area and position the cord so that it will
not get caught on timber, tools, etc. during
cutting operation.

WARNING: Check extension cords before each
use. If damaged, replace immediately. Never use
tool with a damaged cord since touching the
damaged area could cause electrical shock
resulting in serious injury.

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

Summary of Contents for CMS1825

Page 1: ... rugged trouble free performance CAUTION Carefully read through this entire owner s manual before using your drill Pay close attention to the Rules for Safe Operation Warnings and Cautions If you use your saw properly and only for what it is intended you will enjoy years of safe reliable service Thank you again for buying Ryobi tools SAVE THIS MANUAL FOR FUTURE REFERENCE SPECIFICATIONS Power Input...

Page 2: ...s should wear safety glasses and be kept a safe distance from work area Do not let visitors contact tool or extension cord 6 STORE IDLE TOOLS When not in use tools should be stored in a dry and high or locked up place out of reach of children 7 DON T FORCE TOOL It will do the job better and safer at the rate at which it was designed 8 USE RIGHT TOOL Don t force a small tool or attachment to do the...

Page 3: ...urn the switch on until the damaged or missing parts are obtained and are installed correctly UNPACKING FEATURES TOOLS NEEDED WARNING If any parts are missing do not operate this tool until the missing parts are replaced Failure to do so could result in serious personal injury KNOW YOUR COMPOUND MITRE SAW Before attempting to use your saw familiarise yourself with all the operating features Fig 2 ...

Page 4: ...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 It has been found that electric tools are subject to accelerated wear and possible premature failure when they are used on fibreglass boats sports cars wallboard spackling compounds or plaster The chip...

Page 5: ...ard Mitre Table Lock Knob Rear Fence Lower Blade Guard Mitre Table Mitre Scale Throat Plate CMS812 210mm Compound Mitre Saw Fig 2 Fig 2a Fig 2b Trigger Switch Bevel Scale 45 Stopper 0 Stopper Bevel Lock Handle Lock Down Pin ...

Page 6: ... We recommend a Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shields WARNING Do not attempt to modify this tool or create accessories not recommended for use with this tool Any such alteration or modification is misuse and could result in hazardous condition leading to possible serious personal injury ADJUSTMENTS REPLACING BLADE Fig 5 1 Unscrew the two screw...

Page 7: ... the transport position Fig 6 Unlock the mitre table lock knobs Rotate the mitre table until the pointer is positioned at 0 position and lock the mitre table by securing both mitre table lock knobs Fig 7 Lay a set square on the mitre table and against the rear fence and blade If the rear fence and blade do not align adjust as follows Fig 8 Unscrew the four allen screws securing the rear pivot poin...

Page 8: ...vel positioning allen screw at the rear as shown Fig 14 Correctly align the blade and mitre table using the set square and lock the bevel lock knob Fig 15 Reset the 0 bevel positioning allen screw so where the saw arm is moved to the 0 bevel position the allen screw bottoms out and adjust the pointer to the 0 position Fig 16 SQUARING THE BLADE TO THE TABLE AT 45 Repeat this procedure for squaring ...

Page 9: ...OSSCUT WITH YOUR MITRE SAW Pull out the lock pin and lift the saw arm to its full height Unlock the mitre table Rotate the mitre table until the pointer aligns with the desired angle on the mitre scale Lock the mitre table handle NOTE You can quickly locate 5 increments left or right on the scale The mitre table can be seated in one of the positive stop notches located in the mitre table frame Pla...

Page 10: ...rform a dry run of the cutting operation just to make sure that no problems will occur when the cut is made Grasp the saw handle firmly then squeeze the switch trigger Allow several seconds for the blade to reach maximum speed Slowly lower the blade into and through the workpiece Release the switch trigger and allow the saw blade to stop rotating before raising the blade out of workpiece COMPOUND ...

Page 11: ...e at the end of the cut jamming the blade Fig 25 When cutting long pieces of timber or molding support the opposite end of the stock with a roller stand or with work surface level with the saw table Align the cutting line on the workpiece with the edge of the saw blade Grasp the stock firmly with one hand and secure it against the fence Before turning on the saw perform a dry run of the cutting op...

Page 12: ...52 and a bottom rear angle the section that fits flat against the wall of 38 LAYING MOLDING FLAT ON THE MITRE TABLE To use this method for accurately cutting crown molding for a 90 inside or outside corner lay the molding with its broad back surface flat on the mitre table and against the fence When setting the bevel and mitre angles for compound mitres remember that the settings are interdependen...

Page 13: ...ainst the fence as shown in figure 26 If the warped material is positioned the wrong way as shown in figure 27 it will pinch the blade near the completion of the cut Bevel Angle Type of Cut Setting Left Side inside corner 1 Top edge of moulding against fence 2 Mitre table set right 31 62 3 Save left end of cut Right Side inside corner 1 Bottom edge of moulding against fence 2 Mitre table set left ...

Page 14: ...Page 14 NOTES ...

Page 15: ... transportation of the Product or parts to and from the service dealer or agent which costs are not included in this warranty Certain legislation including the Trade Practices Act 1974 as amended and other state and territorial laws give rights to the buyer and impose liability on the seller in certain circumstances Nothing herein shall have the effect of excluding restricting or modifying any con...

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