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TABLE OF CONTENTS

NOTE:

The manual cover illustrates the current production model. All other illustrations contained in the manual are representative

only and may not be exact depictions of the actual labeling or accessories included. They are intended for illustrative purposes only.

FEATURES

...................................................................... 2

PRODUCT SPECIFICATIONS ........................................... 2

KNOW YOUR COMPOUND MITER SAW ........................... 5

IMPORTANT SAFETY INSTRUCTIONS

...................... 6

SAFETY LOGOS

.............................................................. 6

GENERAL POWER TOOL SAFETY WARNINGS

......... 7

SAFETY INSTRUCTIONS FOR MITER SAWS

............ 8

PROPOSITION 65 WARNING

..................................... 9

POWER CONNECTIONS

............................................

DOUBLE INSULATION .................................................

ELECTRICAL CONNECTION .......................................... 10

POLARIZED PLUGS ...................................................... 10

EXTENSION CORDS .................................................... 10

UNPACKING

................................................................. 11

REMOVING CONTENTS FROM PACKING ........................ 11

PACKAGED CONTENTS LIST ........................................ 11

ASSEMBLY

.................................................................... 12

TOOLS NEEDED .......................................................... 12

WORK CLAMP ............................................................. 13

DUST BAG .................................................................. 13

DUST PORT ATTACHMENT ........................................... 13

INSTALL/REMOVE THE BLADE ..................................... 14

ADJUSTMENTS

............................................................ 15

ALIGN THE BLADE TO TABLE ....................................... 15

ALIGN THE BLADE TO FENCE ...................................... 16

DEPTH STOP ADJUSTMENT ......................................... 17

FENCE EXTENSION ..................................................... 17

BEVEL LOCK TENSION ADJUSTMENT .......................... 17

SLIDE RESISTANCE ..................................................... 18

MITER LOCK ADJUSTMENT .......................................... 18

THROAT PLATE ........................................................... 19

MOUNTING AND TRANSPORTATION

..................... 20

PREPARATIONS FOR TRANSPORTATION ....................... 20

MOUNTING SAW TO STABLE SURFACE ......................... 21

INSTALLING WORKPIECE SUPPORT EXTENSIONS ......... 21

OPERATION

................................................................. 22

CUTTING WARPED MATERIAL ...................................... 22

CLAMPING WIDE WORKPIECES ................................... 23

SUPPORTING LONG WORKPIECES ............................... 23

POWER SWITCH LOCK ................................................ 24

SHADOW LINE ............................................................ 24

NON-SLIDING CUTS .................................................... 25

FOR MITER CUTS ........................................................ 25

FOR BEVEL CUTS ........................................................ 26

FOR COMPOUND MITER CUTS ..................................... 26

SLIDE CUTS ................................................................ 28

TIPS FOR CUTTING CROWN MOLDING ......................... 29

AUXILIARY FENCE ....................................................... 30

EXPAND WORKTABLE AREA ......................................... 31

MAINTENANCE

............................................................ 32

KEEP MACHINE CLEAN ................................................ 32

GENERAL MAINTENANCE............................................. 32

BRUSH REPLACEMENT ................................................ 32

LUBRICATION ............................................................. 32

TROUBLE SHOOTING

................................................. 33

FAILURE TO START ..................................................... 33

ACCESSORIES

............................................................. 33

PARTS, SERVICES OR WARRANTY ASSISTANCE

. 34

FEATURES

BLADE DESCRIPTIONS

APPLICATION

DIAMETER

TEETH

Construction Saw Blades
(thin kerf with anti-stick rim)
General Purpose

12 inch (305mm)

Fine Crosscuts

12 inch (305mm)

Woodworking Saw Blades
(provide smooth, clean cuts)
Fine crosscuts

12 inch (305mm)

PRODUCT SPECIFICATIONS

Cutting Capacity

(Maximum nominal

lumber sizes)

0° Miter/0° Bevel: 4 inch x 14 inch (2

x18 inch) Extended Capacity
45° Miter/ 0° Bevel: 4 inch x 10 inch
0° Miter/45° Bevel: 2 inch x 14 inch

(Right 45° Bevel:1 inch x 14 inch)
45° Miter/45° Bevel: 2 inch x 10 inch

(Right 45°Bevel: 1 inch x 10 inch)

Baseboard (Vertical)

6.5 inch

Crown (Vertically Nested) 7.5 inch
Net Weight

57 lbs

Input

120 V~, 60hz, 15 Amps

Blade Arbor Hole

1 inch (with 5/8 inch reducing spacer)

Blade Diameter

12 inch

No Load Speed

4,000 r/min (RPM)

Blade Max Speed Rating

5,500 r/min (RPM)

Number of Teeth

Blade Thickness

0.07 inch (1.8mm)

Blade Kerf

0.1 inch (2.6mm)

NOTE:

ONLY use blades that are marked for speeds

of 4,000 r/min (RPM) or higher. NEVER use a smaller

diameter blade. It will not be guarded properly. Use

crosscut blades only. DO NOT use blades designed for

ripping, combination blades or blades with hook angles in

excess of 7°.

Содержание R4251

Страница 1: ...our high standard for dependability ease of operation and operator safety When properly cared for it will give you years of rugged trouble free performance WARNING To reduce the risk of injury the user must read and understand the operator s manual before using this product SAVE THIS MANUAL FOR FUTURE REFERENCE ...

Страница 2: ...MITER CUTS 25 FOR BEVEL CUTS 26 FOR COMPOUND MITER CUTS 26 SLIDE CUTS 28 TIPS FOR CUTTING CROWN MOLDING 29 AUXILIARY FENCE 30 EXPAND WORKTABLE AREA 31 MAINTENANCE 32 KEEP MACHINE CLEAN 32 GENERAL MAINTENANCE 32 BRUSH REPLACEMENT 32 LUBRICATION 32 TROUBLE SHOOTING 33 FAILURE TO START 33 ACCESSORIES 33 PARTS SERVICES OR WARRANTY ASSISTANCE 34 FEATURES BLADE DESCRIPTIONS APPLICATION DIAMETER TEETH Co...

Страница 3: ...h Stop Screw Depth Stop Plate Bevel Scale and Indicator Sliding Fence Base Throat Plate F9 F11 F10 F17 F12 F11 F13 F12 F14 F13 F15 F14 F16 F15 F5 F5 F6 F6 F7 F7 F8 F8 F1 F1 F2 F2 F3 F3 F4 F4 F10 F9 F17 F16 Work Table Clamp Blade Lower Guard Upper Guard Spindle Lock Back Fence Supports T30 Torx Blade Wrench ...

Страница 4: ...tor Miter Detent Override Button FEATURES Figure 2 F25 F25 F19 F18 F26 F26 F20 F19 F27 F27 F21 F20 F21 F28 F28 F22 F22 F29 F29 F23 F23 F30 F30 F24 F24 F31 F31 F18 Miter Lock Knob Bevel Lock Unlock Handle Support Extension 2 Miter Detent Lock Unlock Button Glide Adjustment Baseboard Position Notch Slide Lock ...

Страница 5: ...ity when the sliding fences are removed 17 T30 Torx Blade Wrench This wrench features a L key Torx head with an Allen Wrench and should be used when removing installing or changing the blade 18 Motor End Cap This provides access to your saw s motor s Brush Caps Carbon brushes in the event they need to be inspected or replaced 19 Carrying Handle Use this to transport your saw Make sure the Slide an...

Страница 6: ...E TOOL Improper operation maintenance or modification of tools or equipment could result in serious injury and or property damage Some of the following symbols may be used on the tool Please study them and learn their meaning Proper interpretation on these symbols will allow you to operate the tool better and safer SYMBOL NAME DESIGNATION EXPLANATION Safety Alert Indicates a potential personal inj...

Страница 7: ...f position before connection to power source picking up or carrying the tool Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents d Remove any adjusting key or wrench before turning the power tool on A wrench or a key left attached to a rotating part of the power tool may result in personal injury e Do not overreach Keep proper foo...

Страница 8: ...behind the fence with either hand closer than 100mm from either side of the saw blade to remove wood scraps or for any other reason while the blade is spinning The proximity of the spinning saw blade to your hand may not be obvious and you may be seriously injured g Inspect your workpiece before cutting If the workpiece is bowed or warped clamp it with the outside bowed face toward the fence Alway...

Страница 9: ...n the position The breaking action of the saw may cause the saw to be suddenly pulled downward causing a risk of injury t Saw Head lock pin is for storage and transport only This saw should never be locked in the down position while making cuts u Do not operate saw without guards in place Dust created by power sanding sawing grinding drilling and other construction activities may contain chemicals...

Страница 10: ...d to a POWER SUPPLY THAT IS 120 VOLTS 60 HZ AC ONLY NORMAL HOUSEHOLD CURRENT DO NOT operate this tool on direct current DC A substantial voltage drop will cause a loss of power and the motor will overheat If the tool does not operate when plugged into an outlet double check the power supply To reduce the risk of electric shock this equipment has a polarized plug one blade is wider than the other T...

Страница 11: ... Customer Service at toll free 1 888 359 4778 If any parts are missing DO NOT attempt to plug in the power cord and turn the power on The saw should ONLY be energized after all parts have been located and correctly assembled This saw is packaged and shipped with saw head secured in the down position Please see preparing Your Saw for Transport section of this manual for instructions on how to use t...

Страница 12: ...r Fence Damage could result to the Blade if it strikes the Miter Fence during operation of the Saw The Saw can tip over if the Saw Head is released suddenly and the Saw is not secured to a work surface ALWAYS secure this Saw to a stable work surface before any use If any parts are damaged or missing DO NOT operate this tool until the parts are replaced Please call RIDGID Customer Service at toll f...

Страница 13: ...des a Dust Bag PC4 that attaches over the Exhaust Port on the Upper Blade Guard Slide the Plastic Collar onto the Dust Exhaust Port on the back of the Saw Head NOTE To remove the Dust Bag for emptying simply reverse the above procedure See Figure 7 The tool includes a 2 1 2 inch Dust Port Adapter PC9 that attaches over the rear exhaust port on the Upper Blade Guard It can be used to connect your m...

Страница 14: ...on the Upper Blade Guard 10 Raise and lower the Saw Arm to ensure that the Arm and Blade Guard move freely Make sure the Spindle Lock Button F15 see Figure 8 is not engaged before reconnecting Saw to power source NEVER engage Spindle Lock button when Blade is rotating NOTE Some illustrations in this manual indicate ONLY portions of the Saw This is done in order to more clearly show key areas and c...

Страница 15: ...to the bevel detent plate 5 Place a combination square A against the table and the face of the saw blade NOTE Make sure the square contacts the flat part of the blade and not the teeth 6 Rotate the blade by hand and check the blade to table alignment at several points If the blade face is not flush with the square you will need to adjust the bevel detent plate F6 7 Loosen the three screws B and ad...

Страница 16: ...o lock bevel angle 5 Place a square A against the fence and the face of the saw blade NOTE Make sure the square contacts the flat part of the blade and not the teeth See Figure 13 6 If the blade face is not flush with the square you will need to adjust the miter detent plate B 7 Loosen the four screws C and move the miter table to adjust the miter detent plate position Set so the fence and blade a...

Страница 17: ...rn to through cut position See Figure 16 1 Use supplied Torx blade wrench Adjust the bevel lock tension by tightening loosening the T30 pivot bolt E located on the backside of the saw 2 Make sure to loosen the bevel lock unlock handle before adjusting the T30 pivot bolt DO NOT over tighten NOTE Correct tension is when the cutting head will hold position when not indexed and unlocked This only appl...

Страница 18: ...the underside of the miter saw arm To make adjustments 1 First unlock the miter lock knob Use a 10mm open ended wrench to loosen counterclockwise lock nut B while holding the adjustment rod C in place using another 10mm open end wrench 2 Turn the adjustment rod in order to tighten loosen the miter lock 3 Lock Unlock the miter lock knob to check the miter lock adjustment 4 Once you have set your mi...

Страница 19: ...w these instruction 1 Loosen the fence lock knobs Slide both of the upper adjustable fences completely off the lower fixed fence 2 Remove the 4 bolts securing the stationary rear fence and detach 3 Remove the six screws A which hold the throat plate Lift the throat plate off the miter arm 4 Replace the throat plate only using a RIDGID authorized service part 5 Tighten the six screws A which hold t...

Страница 20: ... handling and maneuvering SAW HEAD LOCK PIN See Figure 21 ALWAYS lock saw head in the down position before transporting saw To engage saw head lock pin F20 Push saw head to the down position then push in lock pin Saw Head lock pin is for storage and transport only This saw should never be locked in the down position while making cuts SLIDE LOCK See Figure 21 ALWAYS engage the slide lock F31 before...

Страница 21: ...NG AND TRANSPORTATION INSTALLING WORKPIECE SUPPORT EXTENSIONS See Figure 24 To assemble the support extensions 1 Insert one of the support extensions PC5 to the underside of the base at the cast in handle cut outs B 2 Make sure support extension PC5 is flush with the base and inserted into the rounded slots of the cut outs B The rivets C are used to prevent the support extension PC5 from sliding o...

Страница 22: ... personal injury ALWAYS tighten the miter lock handle and bevel lock knob securely before making a cut Failure to do so could result in movement of the control arm or miter table while making a cut To avoid serious personal injury KEEP hands outside the no hands zone at least 4 inches from blade NEVER perform any cutting operation freehand without holding workpiece against the fence The blade coul...

Страница 23: ...e path of the blade and blade guard assembly See Figure 28 1 In most cases the included table extensions workpiece supports will be sufficient to support longer workpieces If these are not long enough the workpiece should be supported further out from the saw Additional support A may be used to make the workpiece lay flat on the saw table Use the included work clamp or a C clamp B to secure the wo...

Страница 24: ... before leaving this saw unattended Safety switch F2 needs to be engaged prior to operation of the machine ALWAYS disconnect the power supply before installing or removing a lock onto the power switch Failure to do so could cause the power switch to engage by accident resulting in serious injury SHADOW LINE See Figure 30 1 To activate the shadow line feature turn on the shadow guide on off switch ...

Страница 25: ...t the fence using the provided clamp 7 Before turning the power switch ON perform a simulated cut to check your cut alignment Also check to make sure the blade will not come into contact with the provided work clamp or anything other than the workpiece 8 Engage the power ON switch Allow the blade to reach maximum speed 9 Lower the saw blade through the workpiece 10 Disengage the power switch and a...

Страница 26: ... 5 If you are using one of the bevel detent positions check to make sure the bevel detent latch lever and bevel detent B locks into the positive stop plate 6 If you are using a bevel angle that is not one of the common bevel detent positions Rotate the saw to the desired bevel angle and use the bevel lock handle F26 to lock the head in place 7 Push down the bevel lock handle to lock bevel position...

Страница 27: ...OX ANGLE A SET THIS MITER ANGLE ON SAW SET THIS BEVEL ANGLE ON SAW S Q U A R E B O X 6 S I D E D B O X 8 S I D E D B O X POSITION WOOD WITH BROAD FLAT SIDE ON THE TABLE AND THE NARROW EDGE AGAINST THE FENCE TABLE 1 COMPOUND MITER CUT ...

Страница 28: ...his manual 3 Secure the workpiece to the table and against the fence using the provided clamp 4 Before turning the power switch ON perform a simulated cut to check your cut alignment Also check to make sure the blade will not come into contact with the provided work clamp or anything other than the workpiece 5 Before turning the power switch ON pull the saw arm towards you until the blade is beyon...

Страница 29: ...ainst the ceiling of 52 and a bottom rear angle the section that fits flat against the wall of 38 To accurately cut crown molding for a 90 inside or outside corner lay the molding with its broad back surface flat on the miter table and against the fence The angles for crown moldings must be very precise The bevel and miter angles are interdependent changing one angle changes the other angle as wel...

Страница 30: ...ngle Remove the auxiliary fence before making a bevel cut See Figure 38 for auxiliary fence dimensions 1 Place auxiliary fence wood against miter saw fence See Figure 37 The maximum height for this wood MUST NOT exceed 5 5 inch Check to make sure auxiliary fence does make contact with saw head check with saw head in the full DOWN and fully RETRACTED position 2 Mark the hole locations on the backsi...

Страница 31: ...d to be removed 2 Flip the support tabs C D into position Tabs D are on both the left and right sides of the lower fixed fence Tab C only exists on the right side of the lower fixed fence These will function as your workpiece backstop See Figure 41 3 You will need to add a 2x12 1 1 2 x 11 5 8 auxiliary table board E to support your large capacity workpiece F See Figure 41 NOTE The Auxiliary Table ...

Страница 32: ...fiberglass chips and grindings are highly abrasive to bearings brushes commutator etc Consequently we DO NOT recommend using this tool for extended work on these types of materials However if you do work with any of these materials it is extremely important to clean the tool using compressed air LUBRICATION All of the bearings in this tool are lubricated with a sufficient amount of high grade lubr...

Страница 33: ...se or reset circuit breaker 3 Contact local authorized Service Center to have cord replaced 4 Contact local authorized Service Center to have brushes replaced if you cannot replace them yourself Refer to page 32 Saw makes poor cuts 1 Dull saw blade 2 Blade not mounted properly 3 Residue on pitch or blade 4 Incorrect type of blade installed 1 Replace blade Refer to page 14 2 Correct blade fitment R...

Страница 34: ...riginal dated sales receipt The authorized service center will repair any faulty workmanship and either repair or replace any part covered under the warranty at our option at no charge to you WHAT IS NOT COVERED This warranty applies only to the original purchaser at retail and may not be transferred This warranty only covers defects arising under normal usage and does not cover any malfunction fa...

Страница 35: ...35 NOTES ...

Страница 36: ...uthorized service center Be sure to provide all relevant information when you call or visit For the location of the authorized service center nearest you please call 1 888 359 4778 or email us at RidgidMiterSaws ridgidproducts com MODEL NO _____________________SERIAL NO ___________________________ Model number on product may have additional letters at the end These letters designate manufacturing ...

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