Ridgid R4251 - User Manual

6 IMPORTANT SAFETY INSTRUCTIONS This manual contains information that is important for you to know and understand. This information relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols below. Please read the manual and pay at...

7 GENERAL POWER TOOL SAFETY WARNINGS The term “power tool” in the warnings refers to your mains-operated (corded) power tool or BATTERY -operated (cordless) power tool . 1. Work area safety a. Keep work area clean and well lit . Cluttered or dark areas invite accidents . b. Do not operate power tool...

8 SAFETY INSTRUCTIONS FOR MITER SAWS f. Keep cutting tools sharp and clean . Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control . g. Use the power tool, accessories and tools bits etc . in accordance with these instructions, taking into accou...

9 SAFETY INSTRUCTIONS FOR MITER SAWS PROPOSITION 65 WARNING: SAVE THESE INSTRUCTIONS. Refer to them often and use them to instruct others. If tool is loaned to someone, also loan them these instructions. p. Let the blade reach full speed before contacting the workpiece. This will reduce the risk of ...

10 POWER CONNECTIONS A separate electrical circuit should be used for your machines. This circuit should not be less than #12 wire. Before connecting the machine to the power line make sure the switch(es) is(are) in the “OFF” position and be sure that the electric current is of the same characterist...

11 UNPACKING REMOVING CONTENTS FROM PACKAGING Check shipping carton and machine for damage before unpacking. Carefully remove packaging materials, parts and machine from shipping carton. ALWAYS check for and remove protective shipping materials around motor and moving parts. Lay out all parts on a c...

12 • 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 a hazardous condition. • DO NOT connect to power supply until assembly is complete. Failure to comply could result in accidental sta...

15 Figure 11 ADJUSTMENTS ALIGN THE BLADE TO TABLE Your saw is calibrated at the factory to cut true. Over time the saw’s calibration may drift and will need to be re-calibrated. See Figure 11. 1. Unplug the Saw. 2. Lower the saw head all the way down to the transport position and engage the saw head...

16 ADJUSTMENTS ALIGN THE BLADE TO FENCE Your saw is calibrated at the factory to cut true. Over time the saw’s calibration may drift and will need to be re-calibrated. See Figure 12. 1. Unplug the Saw. 2. Lower the saw head all the way down to the transport position and engage the saw head lock pin ...

17 Figure 14 Figure 16 DEPTH STOP ADJUSTMENT BEVEL LOCK TENSION ADJUSTMENT TIGHTEN LOOSEN Figure 15 FENCE EXTENSION ADJUSTMENTS This miter saw is equipped with an adjustable depth stop for making non-through cuts. Refer to Figure 14 and follow these instructions in order to set the depth stop at a s...

18 ADJUSTMENTS Figure 17 Figure 18 SLIDE RESISTANCE MITER LOCK ADJUSTMENT TIGHTEN LOOSEN LOCK UNLOCK C A B See Figure 17.The slide resistance (friction) on your saw is adjustable. Use a 4mm Hex wrench. 1. Locate the friction adjustment screw on the saw arms (A). Turn right to tighten the sliding fri...

19 ADJUSTMENTS Figure 20 Figure 19 THROAT PLATE See Figures 19 and 20. ONLY use RIDGID ® authorized service parts. Using non-authorized parts can results in damage to your machine and serious personal injury.In the event that your throat plate needs to be replaced for any reason, follow these instru...

20 Before moving/transporting your saw it is important to make sure all of the following steps have been followed to ensure a safe condition for transportation. Failure to do so can result in serious personal injury. • ALWAYS turn the power off and unplug saw before transporting. • Secure power cord...

21 MOUNTING SAW TO STABLE SURFACE See Figure 23. To ensure safe and accurate operation, this saw should be mounted to a stable and level surface such as a workbench. To mount the tool to a stable surface, do the following: 1. Locate the four mounting holes (F22) in the base of the saw. 2. Secure the...

22 OPERATION Figure 25 CUTTING WARPED MATERIAL See Figure 25. When attempting to cut warped material, the CONVEX face should be against the fence. See Figure 26.NEVER position a piece of warped material with the CONCAVE face or edge against the fence. It will pinch the blade near the completion of t...

24 OPERATION Figure 29 POWER SWITCH LOCK See Figure 29To prevent any unauthorized person from operating this saw, a padlock (not included) should be installed into the lock hole located on the power switch. Be sure padlock is fully closed and locked before leaving this saw unattended. Safety switch ...

25 Figure 31 OPERATION Figure 32 LOCK UNLOCK NON-SLIDING CUTS Before turning the saw power ON, check to make sure saw head and blade will not make contact with the provided work clamp or fence during the cutting operation. Position the work clamp and fence to avoid contact with the miter saw head. F...

26 OPERATION LOCK LOCK UNLOCK UNLOCK Figure 33 BEVEL CUTS Before turning the saw power ON, check to make sure saw head and blade will not make contact with the provided work clamp or fence during the cutting operation. Position the work clamp and fence to avoid contact with the miter saw head. ALWAY...

28 1 2 OPERATION Figure 35 SLIDE CUTS See Figures 35 and 36. A slide cut should NEVER be performed by pulling the saw toward you. Due to the blade rotation direction, this can cause the saw blade to climb over the workpiece and towards the operator. Failure to follow this warning could result in ser...

29 Bevel Angle Setting Type of Cut Steps 33.85° Left side, inside corner 1. Top edge of molding against fence 2. Miter table set right 31.62° 3. Save left end of cut 33.85° Right side, inside corner 1. Bottom edge of molding against fence 2. Miter table set left 31.62° 3. Save left end of cut 33.85°...

30 OPERATION Figure 37 Figure 38 AUXILIARY FENCE See Figure 37 For cutting certain workpieces, you may require a larger fence surface area to accommodate the workpiece. The auxiliary fence should be made using 3/4 inch thick wood. Use the mounting holes (in bold) which are pre-drilled in the fence t...

31 Figure 39 Figure 41 X X EXPAND WORKTABLE AREA This saw is designed to allow for large capacity cuts up to (2 x 16 inch). In order to make these cuts you will need to configure your saw appropriately. DO NOT use an auxiliary table board which will not fully support the workpiece during cutting ope...

32 MAINTENANCE To reduce the risk of injury, turn unit off and disconnect it from power source before cleaning or servicing, before installing and removing accessories, before adjusting when making repairs. An accidental start-up can cause injury. KEEP MACHINE CLEAN Periodically blow out all air pas...

33 TROUBLESHOOTING For assistance with your machine, visit our website at www.RIDGID.com for a list of service centers or call RIDGID ® Customer Service at (toll free) 1-888-359-4778 or email at [email protected]. FAILURE TO START If your machine fails to start, check to make sure the prongs on the ...

34 PARTS, SERVICE OR WARRANTY ASSISTANCE DPEC 2651 New Cut Road Spartanburg, SC 29303 Proof of purchase must be presented when requesting warranty service. Limited to RIDGID ® stationary power tools purchased 2/1/21 and after. This product is manufactured by DPEC. The trademark is licensed from RIDG...

OPERATOR’S MANUAL 12 inch Sliding Compound Miter SawR4251 DPEC 2651 New Cut Road Spartanburg, SC 29203 ©2021 RIDGID ® is a registered trademark and used under license. Customer Service Information: For parts or service, do not return this product to the store. Contact your nearest RIDGID ® authorize...