Ridgid R4120 Owners Manual
Ridgid R4120 Manual
 |
View all Ridgid R4120 manuals
Add to My Manuals
Save this manual to your list of manuals |
Ridgid R4120 manual content summary:
- Ridgid R4120 | Owners Manual - Page 1
OPERATOR'S MANUAL 12 in. COMPOUND MITER SAW with Laser R4120 - Double Insulated Your miter saw has been engineered and manufactured to 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. - Ridgid R4120 | Owners Manual - Page 2
Rules...4-5 Symbols...6-7 Electrical...8 Glossary of Terms...9 Features...10-12 Tools Needed ...13 Loose Parts...13 Assembly...14-22 Operation...23-31 Adjustments...32 Maintenance...33-34 Warranty...35 Parts Ordering/Service...36 INTRODUCTION This tool has many features for - Ridgid R4120 | Owners Manual - Page 3
WITH CARE. Keep tools sharp and clean for better and safer performance. Follow instructions for lubricating and changing accessories. DISCONNECT TOOLS. When not in use, before servicing, or when changing attachments, blades, bits, cutters, etc., all tools should be disconnected from power source - Ridgid R4120 | Owners Manual - Page 4
. When servicing use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. Use only recommended accessories listed in this manual or addendums. Use of accessories that are not listed may cause the risk of personal injury. Instructions for safe use - Ridgid R4120 | Owners Manual - Page 5
(or unplug tool as applicable) before changing blade or servicing. h) No load speed. ALWAYS carry the tool only by the carrying handle. AVOID direct eye exposure when using the laser guide. This saw can tip over if the saw head is released suddenly and the saw is not secured to a work surface - Ridgid R4120 | Owners Manual - Page 6
. To reduce the risk of injury, user must read and understand operator's manual before using this product. Always wear safety goggles or safety glasses with side your safety. Failure to keep your hands away from the blade will result in serious personal injury. To reduce the risk of injury or - Ridgid R4120 | Owners Manual - Page 7
product until you read thoroughly and understand completely the operator's manual. Save this operator's manual and review frequently for continuing safe operation and instructing others who may use this product. Call RIDGID® customer service for assistance. WARNING: The operation of any power tool - Ridgid R4120 | Owners Manual - Page 8
service center for repair. Always use original factory replacement parts when servicing. ELECTRICAL CONNECTION This tool has a precision-built electric motor. 16 14 14 50' 16 16 16 14 14 12 100' 16 16 14 12 10 - **Used on 12 gauge - 20 amp circuit. NOTE: AWG = American Wire Gauge WARNING: - Ridgid R4120 | Owners Manual - Page 9
. Bevel Cut A cutting operation made with the blade at any angle other than 90° to the table surface. Chamfer A cut removing a wedge from a block so the end (or part of the end) is angled rather than at 90°. Compound Cut A cross cut made with both a miter and a bevel angle. Cross Cut A cutting or - Ridgid R4120 | Owners Manual - Page 10
BEVEL STOP PIN Upper Blade Guard "D" HANDLE Dust GUIDE sliding MITER Fence Dust bag BLADE WRENCH STORAGE Fence Screw table extension Switch Trigger Lower blade guard REPEATA-CUT™ zero clearance throat plate Miter Table 10 SAW BASE MITER thumbwheel WORK CLAMP Miter Scale Miter Lock lever Fig - Ridgid R4120 | Owners Manual - Page 11
BLADE A 12 in. blade is included with your compound miter saw. It will cut materials up to 7-7/8 in. wide, depending upon the angle at which the cut is being made. 15 AMP MOTOR This saw has a powerful 15 amp motor with sufficient power to handle tough cutting jobs. It is made with all ball bearings - Ridgid R4120 | Owners Manual - Page 12
the lock button while installing, changing, or removing blade only. SLIDING MITER FENCE The sliding miter fence on your compound miter saw has been provided to hold your workpiece securely against when making all cuts; the left side is larger providing additional support. It has a sliding feature - Ridgid R4120 | Owners Manual - Page 13
PARTS The following items are included with your Compound Miter Saw: Dust Bag Dust Guide Work Clamp Table Extension Socket Head Screw (2) Washer (2) Blade Wrench Hex Keys (2), 1/16 in., 5/32 in. COMBINATION SQUARE Fig. 6 Laser Guide Blade Bolt Blade Operator's Manual - Ridgid R4120 | Owners Manual - Page 14
. WARNING: Do not start the compound miter saw without checking for interference between the blade and the miter fence. Damage could result to the blade if it strikes the miter fence during operation of the saw. WARNING: Always make sure the compound miter saw is securely mounted to a workbench - Ridgid R4120 | Owners Manual - Page 15
against the fence on the table extension and the fence on the saw base. When the table extension and saw base are level and both fences in alignment, tighten screws securely. DUST GUIDE See Figure 10. Insert the dust guide inside the exhaust port in the upper blade guard. Turn the guide so that - Ridgid R4120 | Owners Manual - Page 16
the blade guard prior to beginning any cutting operation to reduce the risk of serious personal injury. The work clamp provides greater control by clamping the workpiece to the fence. It also prevents the workpiece from creeping toward the saw blade. This is very helpful when cutting compound miters - Ridgid R4120 | Owners Manual - Page 17
laser guide. The double "D" flats on the blade washers align with the flats on the spindle. Depress spindle lock button and replace blade bolt. NOTE: The blade bolt has left hand threads. Turn blade bolt counterclockwise to tighten. Tighten blade bolt securely. Lower the blade guard and blade - Ridgid R4120 | Owners Manual - Page 18
position for aligning the laser line with your mark. Cutting A Slot In The Zero Clearance Throat Plate In order to use your compound miter saw, you must cut a slot through the zero clearance throat plate to allow for blade clearance. To cut the slot, set your saw at 0° miter, turn saw on and allow - Ridgid R4120 | Owners Manual - Page 19
. Remove the sliding miter fence by loosening the fence screw and lifting the sliding miter fence off the saw. Lay a framing square flat on the miter table. Place one leg of the square against the fence. Slide the other leg of the square against the flat part of saw blade. NOTE: Make sure that - Ridgid R4120 | Owners Manual - Page 20
socket head screws that secure the fence to the miter table. See Figure 18. Rotate the fence left or right until the saw blade is parallel with the square. Retighten the socket head screws securely and recheck the blade-to-fence alignment. Your saw has several scale indicators. After squaring - Ridgid R4120 | Owners Manual - Page 21
bevel lock knob. Place a combination square against the miter table and the flat part of saw blade. NOTE: Make sure that the square contacts the flat part of the saw blade, not the blade teeth. Rotate the blade by hand and check the blade-to-table alignment at several points. The edge of the - Ridgid R4120 | Owners Manual - Page 22
raise by itself or if there is play in the pivot joints, have saw repaired at your nearest AUTHORIZED SERVICE CENTER. Bevel Pivot Adjustment The compound miter saw should bevel easily by loosening the bevel lock knob and tilting the saw arm to the left. If movement is tight or if there is play - Ridgid R4120 | Owners Manual - Page 23
, but for fine joinery cuts or cutting plastic, use one of the accessory blades available from the RIDGID dealer. WARNING: Before starting any cutting operation, clamp or bolt your miter saw to a workbench. Never operate your miter saw on the floor or in a crouched position. Failure to heed this - Ridgid R4120 | Owners Manual - Page 24
of lumber or molding, support the opposite end of the stock with a roller stand or with a work surface level with the saw table. See Figure 31. Align cutting line on the workpiece with the edge of saw blade. Grasp the stock firmly with one hand and secure it against the fence. Use the work clamp - Ridgid R4120 | Owners Manual - Page 25
is placed against the fence, the board could collapse on the blade at the end of the cut, jamming the blade. See Figures 36 - 37. When cutting long pieces of lumber or molding, support the opposite end of the stock with a roller stand or with a work surface level with the saw table. See Figure 31 - Ridgid R4120 | Owners Manual - Page 26
at the end of the cut, jamming the blade. See Figures 36 - 37. Compound Miter Cut WORK CLAMP Fig. 30 When cutting long pieces of lumber or molding, support the opposite end of the stock with a roller stand or with a work surface level with the saw table. See Figure 31. Align the cutting line on - Ridgid R4120 | Owners Manual - Page 27
be necessary to adjust or remove the sliding miter fence and/or move the work clamp to the hole in the table extension to insure proper clearance prior to making the cut. Long workpiece WORKPIECE SUPPORTS table extension 45° x 45° COMPOUND MITER CUT Fig. 32 clamping wide workpieces See Figure - Ridgid R4120 | Owners Manual - Page 28
COMPOUND MITERS To aid in making the correct settings, the compound angle setting chart below has been provided. Since compound M- 30.00° B- 0.00° M- 29.91° B- 2.50° M- 29.62° B- 4.98° M- 29.15° B- 7.44° M- 28.48° B- 9.85° M- 27.62° B- 12.20° M- 26.57° B- 14.48° M- 25.31° B- 16.67° M- 23.86° B- 18.75 - Ridgid R4120 | Owners Manual - Page 29
OPERATION CUTTING CROWN MOLDING The following chart illustrates the miter and bevel angle settings of the miter saw for both 52˚/38˚ and 45˚/45˚ crown molding, when the /16.02 12.63/15.64 12.30/15.25 11.97/14.87 11.64/14.48 11.31/14.09 10.99/13.71 10.66/13.32 45˚/45˚ mITER/BEVEL 27.62/24.87 27.19/ - Ridgid R4120 | Owners Manual - Page 30
38° angles. The crown molding is placed flat on the miter table using the compound features of your miter saw. Bevel Angle Setting 33.85° 33.85° 33.85° 33.85° Type of Cut Left side, inside corner 1. Top edge of molding against fence 2. Miter table set right 31.6° 3. Save left end of cut Right side - Ridgid R4120 | Owners Manual - Page 31
make sure it is positioned on the miter table with the convex side against the fence as shown in figure 36. If the blade near the completion of the cut. WARNING: To avoid a kickback and to avoid serious personal injury, never position the concave edge of bowed or warped material against the fence - Ridgid R4120 | Owners Manual - Page 32
using the laser guide. Set both the bevel angle and the miter table at 0°. Use the work clamp or a C-clamp to secure a piece of scrap wood. Plug the saw into the power source and make a slight cut to score the wood. Raise the saw arm and unplug the saw. Lift and hold the lower blade guard - Ridgid R4120 | Owners Manual - Page 33
, gasoline, petroleum-based products, penetrating oils, etc., come in contact with plastic parts. They contain chemicals that can damage, weaken, or destroy plastic. Brush REPLACEMENT See Figure 38. The saw has externally accessible brush assemblies that should be periodically checked for wear - Ridgid R4120 | Owners Manual - Page 34
MAINTENANCE Changing the Batteries in the laser See Figure 39. Unplug the saw. Rotate and hold lower blade guard up. Using the hex key (1/16 in.) provided, loosen and remove the screw from the battery compartment then separate the cover from the laser guide. Lower the blade guard. Remove - Ridgid R4120 | Owners Manual - Page 35
-539-1710 or by logging on to the RIDGID® website at www.ridgid.com. When requesting warranty service, you must present the original 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 - Ridgid R4120 | Owners Manual - Page 36
OPERATOR'S MANUAL 12 in. COMPOUND MITER SAW with Laser R4120 - Double Insulated Customer Service Information For parts or service, contact your nearest RIDGID authorized service center. Be sure to provide all relevant information when you call or visit. For the location of the authorized service
-
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
 |
 |
OPERATOR’S MANUAL
12 in. COMPOUND MITER SAW
WITH LASER
R4120
-
Double Insulated
SAVE THIS MANUAL FOR FUTURE REFERENCE
Your miter saw has been engineered and manufactured to 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.
Thank you for buying a RIDGID
®
product.