RIDGID R4850 User manual

OPERATOR’S MANUAL
13 inch Portable Planer
R4850
Your 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.
SAVE THIS MANUAL FOR FUTURE REFERENCE

2
TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS ...................2
FUNCTIONAL DESCRIPTION .................................2
FEATURES..............................................................3
SAFETY GUIDELINES - DEFINITIONS ...................4
GENERAL SAFETY RULES.......................................5
ADDITIONAL SPECIFIC SAFETY RULES ................6
PROPOSITION 65 WARNING ................................6
UNPACKING ..........................................................8
ASSEMBLY .............................................................9
OPERATION.........................................................11
MAINTENANCE/ADJUSTMENT.............................15
TROUBLESHOOTING............................................19
ACCESSORIES......................................................19
PARTS, SERVICE OR WARRANTY ASSISTANCE...20
FOREWORD
The RIDGID®Model R4850 is a 13 inch (330mm) Portable Planer
that has a cutting capacity of 13 inch (330mm) wide, 6 inch
(152mm) thick and 1/8 inch (3.2mm) deep. This machine has a
powerful 15 amp 120 volt motor with a three-knife cutterhead.
FUNCTIONAL DESCRIPTION
NOTICE: The cover illustration shows the current production
model configuration. All other illustrations contained in the
manual are representative only and may not depict the actual
labeling or accessories included. These are intended to illustrate
technique only.
MOTOR SPECIFICATIONS
Your machine is wired for 120 volt, 60 Hz alternating current.
Before connecting the machine to the power source, make sure
the switch is in the “OFF” position.
Specications:
Model: R4850
Supply Voltage: 120 V AC~
Current: 15 A
Frequency: 60 Hz
No Load RPM: 10,000/min

3
FIGURE 1
FEATURES
F9
F11
F12
F13
F14
F15
F16
F5
F6
F7
F8
F1
F2
F3
F4
F9
F10
F10
F11
F12
F13
F14
F15
F16
F5
F6
F7
F8
F1
F2
F3
F4
Cutterhead Height Adjusting Handle
Micro Adjustment
Main Housing
Indicator Arrow
Base
In-feed Table
Depth Stop Knob / Lock
Material Removal Gauge
On/Off Switch
Reset Button
Dust Deector
Wear Table
Out-feed Table
Cutterhead Lock Handle
Wrench Storage
(Under Table)
Dust Collection
Attachment

4
IMPORTANT SAFETY INSTRUCTIONS
READ AND UNDERSTAND ALL WARNINGS AND OPERATING INSTRUCTIONS BEFORE USING
ANY TOOL OR EQUIPMENT. ALWAYS FOLLOW BASIC SAFETY PRECAUTIONS TO REDUCE THE RISK OF
PERSONAL INJURY. IMPROPER OPERATION, MAINTENANCE, OR MODIFICATION OF TOOLS OR EQUIPMENT
COULD RESULT IN SERIOUS INJURY AND PROPERTY DAMAGE. THERE ARE CERTAIN APPLICATIONS FOR
WHICH TOOLS AND EQUIPMENT ARE DESIGNED. DO NOT MODIFY AND/OR USE THIS PRODUCT FOR ANY APPLICATION
OTHER THAN THAT FOR WHICH IT WAS DESIGNED.
If you have any questions or concerns relative to the use of your tool or the contents of this manual, stop using the tool and contact
RIDGID®Customer Service (toll free) 1-888-359-4778.
• Power Tool Institute, 1300 Sumner Avenue, Cleveland, OH 44115-2851or online at www.powertoolinstitute.com.
• National Safety Council, 1121 Spring Lake Drive, Itasca, IL 60143-3201.
• American National Standards Institute, 25 West 43rd Street, 4 floor, New York, NY 10036 www.ansi.org - ANSI 01.1 Safety
Requirements for Woodworking Machines.
• U.S. Department of Labor regulations www.osha.gov.
SAFETY GUIDELINES - DEFINITIONS
It is important for you to read and understand this manual. The information it contains relates to protecting YOUR SAFETY and
PREVENTING PROBLEMS. The symbols below are used to help you recognize this information.
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or mod er ate injury.
Indicates a practice not related to personal injury which, if not avoided, may result in 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 injury hazard.
Read Operator's Manual To reduce the risk of injury, user must read and understand operator's manual before using this
product.
Eye Protection Always wear eye protection with side shields marked to comply with ANSI Z87.1.
No Hands Symbol Failure to keep your hands away from the blade will result in serious personal injury.
Wet Conditions Alert Do not expose to rain or use in damp locations.
Pinch Warning Always watch for movement paying extra attention to potential areas where pinching could occur.
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
min Minutes Time
~/AC Alternating Current Type of current
ⁿ₀No Load Speed Rotational speed, at no load
.../min Per Minute Revolutions, strokes, surface speed, orbits, etc., per minute
Lbs Pounds Unit of weight
Kg Kilograms Unit of weight
RPM Revolutions Per Minute Speed of rotation of machine
PH:1 Phase 1 This is a 1 phase motor
Double Insulation To reduce the risk of electric shock, this equipment has a polarized plug (one blade is wider than the other). This plug
will t in a polarized outlet only one way. If the plug does not t fully in the outlet, reverse the plug. If it still does not
t, contact a qualied electrician to install the proper outlet. DO NOT change the plug in any way.

5
1. For your own safety, read the instruction manual
before operating the machine. Learning the machine’s
application, limitations, and specific hazards will greatly
minimize the possibility of accidents and injury.
2. Wear eye and hearing protection and always use
safety glasses. Everyday eyeglasses are not safety
glasses. Use certified safety equipment. Eye protection
equipment should comply with ANSI Z87.1 standards.
Hearing equipment should comply with ANSI S3.19
standards.
3. Wear proper apparel. Do not wear loose clothing,
gloves, neckties, rings, bracelets, or other jewelry which
may get caught in moving parts. Nonslip protective
footwear is recommended. Wear protective hair covering
to contain long hair.
4. Do not use the machine in a dangerous
environment. The use of power tools in damp or wet
locations or in rain can cause shock or electrocution. Keep
your work area well-lit to prevent tripping or placing arms,
hands, and fingers in danger.
5. Do not operate electric tools near flammable liquids
or in gaseous or explosive atmospheres. Motors and
switches in these tools may spark and ignite fumes.
6. Maintain all tools and machines in peak
condition. Keep tools sharp and clean for best and
safest performance. Follow instructions for lubricating
and changing accessories. Poorly maintained tools and
machines can further damage the tool or machine and/or
cause injury.
7. Check for damaged parts. Before using the machine,
check for any damaged parts. Check for alignment of
moving parts, binding of moving parts, breakage of parts,
and any other conditions that may affect its operation.
A guard or any other part that is damaged should be
properly repaired or replaced with RIDGID®or factory
authorized replacement parts. Damaged parts can cause
further damage to the machine and/or injury.
8. Keep the work area clean. Cluttered areas and benches
invite accidents.
9. Keep children and visitors away. Your shop is a
potentially dangerous environment. Children and visitors
can be injured.
10. Reduce the risk of unintentional starting. Make sure
that the switch is in the “OFF” position before plugging in
the power cord. In the event of a power failure, move the
switch to the “OFF” position. An accidental start-up can
cause injury. Do not touch the plug’s metal prongs when
unplugging or plugging in the cord.
11. Use the guards. Check to see that all safety devices are
in place, secured, and working correctly to prevent injury.
12. Remove adjusting keys and wrenches before
starting the machine. Tools, scrap pieces, and other
debris can be thrown at high speed, causing injury.
13. Use the right machine. Don’t force a machine or an
attachment to do a job for which it was not designed.
Damage to the machine and/or injury may result.
14. Use recommended accessories. The use of accessories
and attachments not recommended by RIDGID®may
cause damage to the machine or injury to the user.
15. Use the proper extension cord. Make sure your
extension cord is in good condition. When using an
extension cord, be sure to use one heavy enough to carry
the current your product will draw. An undersized cord will
cause a drop in line voltage, resulting in loss of power and
overheating. See the Extension Cord Chart for the correct
size depending on the cord length and nameplate ampere
rating. If in doubt, use the next heavier gauge. The
smaller the gauge number, the heavier the cord.
16. Secure the workpiece. Use clamps or a vise to hold the
workpiece when practical. Loss of control of a workpiece
can cause injury.
17. Feed the workpiece against the direction of the
rotation of the blade, cutter, or abrasive surface.
Feeding it from the other direction will cause the
workpiece to be thrown out at high speed.
18. Do not force the workpiece on the machine. Damage
to the machine and/or injury may result.
19. Do not overreach. Loss of balance can make you fall
into a working machine, causing injury.
20. Never stand on the machine. Injury could occur if the
tool tips, or if you accidentally contact the cutting tool.
21. Never leave the machine running unattended. Turn
the power off. Don’t leave the machine until it comes to a
complete stop. A child or visitor could be injured.
22. Turn the machine “OFF”, and disconnect the
machine from the power source before installing or
removing accessories, changing cutters, adjusting
or changing set-ups. When making repairs, be sure to
lock the start switch in the “OFF” position. An accidental
start-up can cause injury.
23. Make your workshop childproof with padlocks,
master switches, or by removing starter keys. The
accidental start-up of a machine by a child or visitor could
cause injury.
24. Stay alert, watch what you are doing, and use
common sense. Do not use the machine when you
are tired or under the influence of drugs, alcohol, or
medication. A moment of inattention while operating
power tools may result in injury.
25. Use of this tool can generate and
disperse dust or other airborne particles, including
wood dust, crystalline silica dust and asbestos
dust. Direct particles away from face and body. Always
operate tool in well ventilated area and provide for proper
dust removal. Use dust collection system wherever
possible. Exposure to the dust may cause serious and
permanent respiratory or other injury, including silicosis (a
serious lung disease), cancer, and death. Avoid breathing
the dust, and avoid prolonged contact with dust. Allowing
dust to get into your mouth or eyes, or lay on your skin
may promote absorption of harmful material. Always
use properly fitting NIOSH/OSHA approved respiratory
protection appropriate for the dust exposure, and wash
exposed areas with soap and water.
GENERAL SAFETY RULES
Failure to follow these rules may result in serious personal injury.

6
FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY.
ADDITIONAL SPECIFIC SAFETY RULES
SAVE THESE INSTRUCTIONS.
Refer to them often and use them to instruct others.
1. DO NOT OPERATE THIS MACHINE until it is completely
assembled and installed according to the instructions. A
machine incorrectly assembled can cause serious injury.
2. OBTAIN ADVICE from your supervisor, instructor, or
another qualified person if you are not thoroughly familiar
with the operation of this machine. Knowledge is safety.
3. FOLLOW ALL WIRING CODES and recommended
electrical connections to prevent shock or electrocution.
4. KEEP KNIVES SHARP and free from rust and pitch. Dull
or rusted knives work harder and can cause kickback.
5. NEVER TURN THE MACHINE “ON” before clearing the table
of all objects (tools, scraps of wood, etc.). Flying debris can
cause serious injury.
6. NEVER TURN THE MACHINE “ON” with the work-piece
contacting the cutterhead. Kickback can occur.
7. SECURE THE MACHINE TO A SUPPORTING SURFACE to
prevent the machine from sliding, walking or tipping over.
8. PROPERLY SECURE THE KNIVES IN THE CUTTER- HEAD
before turning the power “ON”. Loose blades may be
thrown out at high speeds causing serious injury.
9. DO NOT PLACE THE POWER CORD under the cutterhead
when moving or storing.
10. AVOIDAWKWARDOPERATIONSANDHANDPOSITIONS.
A sudden slip could cause a hand to move into the knives.
11. KEEP ARMS, HANDS, AND FINGERS away from the
cutterhead, the chip exhaust opening, and the feed rollers
to prevent severe cuts.
12. NEVER REACH INTO THE CUTTERHEAD AREA while the
machine is running. Your hands can be drawn into the
knives.
13. DO NOT STAND IN LINE OF THE WORKPIECE.
Kickback can cause injury.
14. ALLOW THE CUTTERHEAD TO REACH FULL SPEED before
feeding a workpiece.
15. WHEN PLANING BOWED STOCK, place the concave (cup
down) side of the stock on the table and cut with the grain
to prevent kickback.
16. DO NOT FEED A WORKPIECE that is warped, contains knots,
or is embedded with foreign objects (nails, staples, etc.).
Kickback can occur.
17. DO NOT FEED A SHORT, THIN, OR NARROW WORKPIECE
INTO THE MACHINE. Your hands can be drawn into the
knives and/or the workpiece can be thrown at high speeds.
See the “OPERATION” section of this instruction manual
for details.
18. DO NOT FEED A WORKPIECE into the out-feed end of the
machine. The workpiece will be thrown out of the opposite
side at high speeds.
19. REMOVE SHAVINGS ONLY with the power “OFF” to prevent
serious injury.
20. USE FOR WOOD ONLY. Do not plane man-made
materials.
21. PROPERLY SUPPORT LONG OR WIDE WORKPIECES. Loss
of control of the workpiece can cause serious injury.
22. NEVER PERFORM LAYOUT, ASSEMBLY or set-up work on
the table/work area when the machine is running. Serious
injury will result.
23. TURN THE MACHINE “OFF”, DISCONNECT IT FROM THE
POWER SOURCE, and clean the table/work area before
leaving the machine. LOCK THE SWITCH IN THE “OFF”
POSITION to prevent unauthorized use. Someone else
might accidentally start the machine and cause injury to
themselves or others.
24. ADDITIONAL INFORMATION regarding the safe
and proper operation of power tools (i.e. a safety
video) is available from the Power Tool Institute, 1300
Sumner Avenue, Cleveland, OH 44115-2851 (www.
powertoolinstitute.com). Information is also available from
the National Safety Council, 1121 Spring Lake Drive, Itasca,
IL 60143-3201. Please refer to the American National
Standards Institute ANSI 01.1 Safety Requirements for
Woodworking Machines and the U.S. Department of Labor
Regulations.
PROPOSITION 65 WARNING:
Dust created by power sanding, sawing, grinding, drilling, and other construction activities may contain chemicals
known to the state of California to cause cancer, birth defects or other reproductive harm. Some examples are:
• Lead from lead-based paints
• Crystalline silica from bricks and cement and other masonry products
• Asbestos dust
• Arsenic and chromium from chemically-treated lumber
Your risk from these exposures varies depending on how often you do this type of work. To reduce your exposure to these chemicals:
work in a well-ventilated area and work with approved safety equipment, such as dust masks that are specifically designed to filter
out microscopic particles.
Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling, and other construction activities.
Wear protective clothing and wash exposed areas with soap and water.

7
DO NOT expose the machine to rain or operate the machine in damp locations.
ADDITIONAL SPECIFIC SAFETY RULES
1. All grounded, cord-connected machines:
In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk
of electric shock. This machine is equipped with an electric cord having an equipment-grounding conductor and a grounding plug.
The plug must be plugged into a matching outlet that is properly installed and grounded in accordance with all local codes and
ordinances.
DO NOT modify the plug provided - if it will not fit the outlet, have the proper outlet installed by a qualified electrician.
Improper connection of the equipment-grounding conductor can result in risk of electric shock. The conductor with insulation having
an outer surface that is green with or without yellow stripes is the equipment-grounding conductor. If repair or replacement of the
electric cord or plug is necessary, DO NOT connect the equipment-grounding conductor to a live terminal.
Check with a qualified electrician or service personnel if the grounding instructions are not completely understood, or if in doubt as
to whether the machine is properly grounded.
Use ONLY 3-wire extension cords that have 3-prong grounding type plugs and matching 3-conductor receptacles that accept the
machine’s plug.
Repair or replace damaged or worn cord immediately.
In all cases, make certain that the receptacle in question is properly grounded. If you are not sure, have a
qualified electrician check the receptacle.
EXTENSION CORDS
GROUNDING INSTRUCTIONS
This machine must be grounded while in use to protect the operator from electric shock.
** Ampere rating (on tool data label)
12A- 16A
Cord Length Wire Size
25' 14 AWG
50' 12 AWG
** Used on 12 gauge - 20 amp circuit
NOTE: AWG = American Wire Gauge
POWER SOURCE
This saw is equipped with a 15-amp motor for use with a 120-volt, 60-HZ alternating current.
For voltage, the wiring in a shop is as important as the motor’s rating. A line intended only for lights may not be able to properly carry
the current needed for a power tool motor; wire that is heavy enough for a short distance may be too light for a greater distance; and
a line that can support one power tool may not be able to support two or three. A separate electrical circuit should be used for your
machines. This circuit should not be less than #12 wire and should be protected with a 20-amp time lag fuse and/or circuit breaker. If
an extension cord is used, use only 3-wire extension cords which have 3-prong grounding-type plugs and matching receptacle which
will accept the machine’s plug. Before connecting the machine to the power line, make sure the switch(es) is in the “OFF” position and
be sure that the electric current is of the same characteristics as indicated on the machine. A substantial voltage drop will cause a loss
of power and overheat the motor. It may also damage the machine.
KEEP the extension cord clear of the work area. Position the cord so it will not get caught on lumber, tools or other
obstructions
Use proper extension cords. Make sure your extension cord is a 3-wire extension cord which has a 3-prong ground-
ing type plug and matching receptacle which will accept the machine’s plug. When using an extension cord, be sure
to use one heavy enough to carry the current of the machine. An undersized cord will cause a drop in line voltage, resulting in loss of
power and overheating. The table below shows the maximum gauge to use depending on the cord length. If in doubt, use the next
heavier gauge. The smaller the gauge number, the heavier the cord. ONLY round, jacketed cords listed by Underwriter’s Laboratories
(UL) should be used.
NEVER use a damaged extension cord. Check extension cords before each use. If damaged, replace immediately.
Touching the damaged area could cause electrical shock resulting in serious injury.

8
UNPACKING
UNPACKING AND CLEANING
PACKAGE CONTENTS
Carefully unpack the machine and all loose items from the shipping container. Figure 2 illustrates the planer and all loose items supplied
with your machine. Refer to the section of this manual titled “REPLACING KNIVES” to remove the cutterhead guard. Remove any
rust-preventative oil from unpainted surfaces using a soft cloth moistened with mineral spirits, paint thinner or denatured alcohol.
DO NOT use highly volatile solvents such as gasoline, naphtha, acetone or lacquer thinner for cleaning your machine.
After cleaning, cover the unpainted surfaces with a good quality household floor paste wax.
Take care when you clean the cutterhead. The knives in the cutterhead are very sharp. After cleaning the cutterhead,
replace the cutterhead guard.
This machine weighs about 75 pounds. Use a helper to lift or move it.
Planer
Dust Collection Attatchment
Cutterhead Height Adjusting Handle
Cutterhead Lock Handle
T-Handle Torx Wrench
M6 x 20mm Torx Head Screw (6)
6.5mm x 16mm x2mmT Flat Washer (4)
M6 Split Lock Washer (2)
FIGURE 2
PC1
PC1
PC2
PC2
PC3
PC3
PC4
PC4
PC5
PC5
PC6
PC7
PC8
PC6
PC6
PC7
PC8
006827
Hardware Bag 1:
Hardware Bag 2:
006846
006767
006767

9
ASSEMBLY
To reduce the risk of injury, turn unit off and disconnect the machine from power source before installing and
removing accessories, before adjusting or when making repairs. An accidental start-up can cause injury.
ASSEMBLY TOOLS REQUIRED
T-handle Torx wrench PC5 (Supplied)
1. Attach the cutterhead height adjusting handle PC3 to the
shaft B, with the at edge on the shaft engaged with
the at edge in the handle.
Fasten the cutterhead height adjusting handle to the
shaft using the PC6 M6 x 20mm Torx Head Screw and
M6 Split Lock Washer PC8 with the supplied T-handle
Torx wrench PC5 .
NOTE: The cutterhead height adjusting handle is supplied with
markings on the dial to make your cuts accurate.
1. Use the supplied T-handle Torx wrench PC5 to attach
the cutterhead lock handle PC4 Figure 3 to the shaft
Awith the PC6 M6 x 20mm Torx Head Screw and PC8
M6 Split Lock Washer.
HOW TO ATTACH THE CUTTERHEAD LOCK
HANDLE
FIGURE 3
HOW TO ATTACH THE CUTTERHEAD
HEIGHT ADJUSTING HANDLE
FIGURE 4
PC3
PC4
PC6
PC6
PC8
PC8
A
B

10
ASSEMBLY
How to Install the Dust Collection
Attatchment
1. Using the cutterhead height adjusting handle, raise the
main housing up high enough to allow clearance for the
T-handle torx wrench.
2. Using the wrench provided, remove the two M6 x 20mm
Torx screws and at washers PC6 that secure the dust
deector. Save these for step 4. (See Figures 5 & 6)
3. Remove the dust deector F11 . See Figure 7.
4. Align the four slots in the dust collection attachment
with holes in the frame (Figure 8). Secure using four M6
x 20mm Torx screws and washers PC6 (two from step
2).
5. Reverse the procedure for installing the dust deector.
Install the dust deector with the label up and curved lip
pointing down.
6. Store the two extra mounting screws with the dust
collection attachment.
Disconnect the machine from the power
source.
You have two options for dust management. The rst is the dust
deector and the second is the dust collection attachment to at-
tach your machine to a dust collector.
Note: The dust deector comes factory installed and can be
used if the user elects not to use a dust collector system.
HOW TO PREPARE FOR DUST
MANAGEMENT
When using the dust collection attachment,
DO NOT operate the unit without a hose connected and a dust
collector in operation. The dust collection attachment is designed
to accept a 4 inch hose.
FIGURE 5
FIGURE 6
FIGURE 7
FIGURE 8
PC6
F11
PC6
PC5
F16

11
Before operation, secure the planer to the
supporting surface. Four holes (two of which are shown at A
Figure 9) are provided for this purpose.
Operate the planer on a at, level surface.
OPERATION
OPERATIONAL CONTROLS AND
ADJUSTMENTS
How to Start and Stop the Planer
1. To turn the planer “ON”, lift the paddle F9 . To turn the
tool “OFF”, push the paddle down ,as shown in Figure
10.
IMPORTANT: When the machine is not in use, the switch
should be locked in the “OFF” position (Figure 11) to prevent
unauthorized use. Place a padlock Awith a 1/4 inch (6.3mm)
diameter shackle through the hole on the left side of the switch
cover and through the hole in the switch paddle. Lock the
padlock. See Figure 12.
Ensure that the lock prevents the switch
from being turned on.
FIGURE 11
FIGURE 12
FIGURE 10
ASSEMBLY
HOW TO FASTEN THE PLANER TO A
SUPPORTING SURFACE
1. Four attachment holes are provided for mounting the
planer to a stand or work surface. These holes are
located under the in-feed and out-feed tables as shown
in Figure 9.
FIGURE 9
A
F9
ONON
A
OFFOFF

12
OPERATION
How to Use the Cutterhead Lock
The cutterhead lock PC4 Figure 13 helps to eliminate snipe in the
board that is being planed. Snipe can also be eliminated by
butting boards end to end and feeding them through the planer.
Long boards should ALWAYS be supported, when feeding them
through the planer to help eliminate snipe.
1. NOTE: To lock the cutterhead, turn handle clockwise.
To unlock, turn handle counterclockwise.
FIGURE 13
The head assembly contains the cutterhead, feed rollers,
chip deflector and motor. Raising and lowering the head
assembly controls the depth of cut.
1. To adjust the head assembly, unlock the cutterhead lock
handle PC4 Figure 13. Turn the cutterhead height
adjusting handle clockwise to raise or counter-clockwise
to lower the cutterhead. One revolution of handle PC3
Figure 14 will move the cutterhead up or down 1/16 inch
(1.6mm).
How to Adjust the Head Assembly
FIGURE 14
Lock
PC3
PC4
How to Use the Material Removal Gauge
See Figure 15
Your planer is equipped with a material removal gauge A. It is
used to indicate the amount of wood that will be removed in one
pass with the carriage set at its current height. The material
removal gauge reads across the entire width of the planer head.
1. Slide approximately 3 inches of the workpiece Bunder
the carriage.
2. Be sure that the workpiece is lying at against the table
of the planer. If the workpiece is inserted at an angle,
the reading may be inaccurate.
3. Lower the carriage on the workpiece until the material
removal bar engages the wood. You will see the red
arrow Amoving up the scale to indicate the amount
to be removed with the carriage at that height.
4. Adjust the carriage height until the desired depth of cut
appears on the gauge.
5. Note this depth as you may have to back the cutterhead
o the board to allow you to remove it. Once this is
done. Pull the material out from under the carriage and
reset the cutterhead to the desired depth.
6. Turn the unit on and feed your material into the cutter
head.
FIGURE 15
A
B

13
NOTE: DO NOT exceed the recommended depth of cut for
various widths of material, shown in the “RECOMMENDED
DEPTH OF CUT” section below.
DO NOT turn the unit “ON” with the workpiece
in position.
1/16 inch
(1.6mm)
3/32 inch
(2.4mm)
1/8 inch
(3.2mm)
2 inch
(51mm)
4 inch
(102mm)
SOFT WOOD
HARD WOOD
RECOMMENDED DEPTH OF CUT
6 inch
(152mm)
7 inch
(178mm)
8 inch
(203mm)
9 inch
(229mm)
10 inch
(254mm)
WIDTH OF STOCK
FIGURE 16
RECOMMENDED DEPTH OF CUT
NOTE: One revolution of the cutterhead height adjusting
handle will move the cutterhead up or down 1/16 inch
(1.6mm).
You can make a 1/8 inch (3.2mm) depth-of-cut in soft woods
up to 6 inch (152mm) wide and in hard woods up to 4 inch
(102mm) wide. (Figure 16)
For 6 inch (152mm) through 13 inch (330mm) wide soft wood,
use a maximum depth-of-cut of 1/16 inch (1.6mm). For 6 inch
(152mm) through 13 inch (330mm) wide hard wood, use a
maximum depth-of-cut of 3/64 inch (1.2mm) (Figure 16).
IMPORTANT: A shallow depth-of-cut will produce a better
finish.
To set the minimum depth to which the cutterhead can travel
with the depth stop:
1. Check to see that the cutterhead is set above 1 1/4 inch
before trying to set the depth stop.
2. Make sure dial F7 is unlocked by rotating the locking
knob Bcounterclockwise.
3. Turn the dial F7 to the desired thickness setting so that
it aligns with the indicator line Aas shown in Figure
17.
4. Lock the gauge in place by turning the locking knob B
clockwise, as shown in Figure 17.
5. Plane the workpiece at desired increments until the
correct nal thickness is achieved.
NOTE: DO NOT use force to lower the carriage below the
level that the depth stop indicates. This will result in permanent
damage to the height adjustment system on your planer.
How to Use the Depth Stop
Your planer is equipped with a depth stop dial F6 as shown in Figure 17 for repetitive planing. Any thickness between 1/8 inch and 1
1/4 inch can be selected using the scale on the depth stop. Detents are provided at 1/8 inch, 1/4 inch, 1/2 inch, 3/4 inch, 1 inch, and 1
1/4 inch.
FIGURE 17
OPERATION
A
B
F7

14
1. Once the initial cut has been made and fine tuning is
required, measure the thickness of a planed board.
2. Set the ring AFigure 18 to align the zero with the arrow
B.
3. Rotate the handle to the desired depth of cut, as indicated
on the ring. Each indicator on the ring is equivalent to 1/128
inch (.2mm) for making minute cuts.
4. Plane the workpiece and then repeat this process until you
approach the nal desired thickness.
How to Use the Adjustable Indexing Ring
Follow these few steps to achieve the best results.
1. True One Face – Feed one face of the board over a jointer, making thin cuts with each pass, until the entire surface is flat.
2. Plane to Thickness – Place the side you just surfaced in STEP 1 face down and feed the board through the planer, plane until
this side is flat. Then plane both sides of the board until you are satisfied with the thickness, making thin cuts, alternating
sides with each pass. If, during the planing operation, you notice the board twisting, warping or bowing, repeat STEP 1 and
true one face.
3. When planing long stock, provide additional support to the in-feed and out-feed end of the workpiece.
4. ALWAYS engage the cutterhead lock before planing. Plane with the grain ONLY, and keep table clean. Occasionally, wax the
table surface to reduce friction.
5. Cross-cut the workpiece to its final length.
NOTE: Feed the wood through the planer at different places on the table to help eliminate uneven wear of the knives.
The cutterhead height adjusting handle has an adjustment ring
AFigure 18. The Adjustable Index Ring is best utilized after the
initial cut has been made. To use the adjustment ring to make fine
adjustments:
Proper Planing Techniques
1. Lower the carriage to the desired height for your rst pass.
2. Turn the unit on and feed the material into the feed rollers.
3. Examine the nished cut and adjust the carriage to the appropriate height for your next pass.
4. Feed workpieces through alternating areas of the planer for even blade wear – not just through the center of the machine. One
way to do this is to start with the workpiece on the left for the rst pass, in the middle on the next and on the right side for
third pass – and then repeat.
NOTE: Flip the board over between each pass.
DO NOT turn the unit on with the workpiece inserted under cutterhead. Wait until the roller and cutterhead are up to
full speed before feeding your material into the machine.
For best results, plane both sides of the workpiece to reach desired thickness. For example, if you need to remove 1/8 inch from your
workpiece, remove 1/16 inch from each side. This not only allows the workpiece to dry with an even moisture content, it also produces
ner cuts.
Plane ONLY wood that is free from foreign objects, with no loose knots and as few tight knots as possible. DO NOT
plane wood that is severely warped, twisted, knotted or bowed.
DO NOT place your body between the rear of the planer and a stationary object while material is feeding. Serious injury
could result.
Minimum/Maximum Width/Height/Depth
NOTE: ALWAYS plane in the direction of the grain. Support the workpiece adequately at all times. Planing material less than 3/4 inch
wide is not recommended. If you must plane narrow material, group several pieces together and plane them as one wide workpiece
whenever possible. The maximum depth of cut your planer can take in one pass is 1/8 inch (on material less than 6 inch wide). NEVER
attempt to modify your planer to take a deeper cut. Follow the recommended depth/width of cut guidelines shown in Figure 16 for best
results.
FIGURE 18
OPERATION
A
B
OPERATION

15
Snipe
Snipe is a depression made when an unsupported end of your material drops toward the oor, causing the opposite end to lift up into
the cutter head.
To Avoid Snipe
Feed the workpiece into the planer so it is level and remains at against the table at all times.
Keep the workpiece level throughout planing operation by receiving or “catching” it from the rear of the planer. If you are planing material
that is especially long, the use of additional material support is recommended.
Twisted, Cupped and Bowed Wood
If both sides of your material are very rough or if the material is cupped, bowed or twisted, your planer may not produce the desired result.
Ideally, you should have at least one at surface/face on your material before you plane. Your thickness planer will work best with material
that has been run through a jointer to produce one at surface. If you DO NOT have at least one at surface or a jointer, see the following
recommendations.
To Plane Twisted Wood
Twisted wood may jam your planer. If a jam occurs, turn the power “OFF”, disconnect the power supply
and raise the cutterhead to release the workpiece from the cutter.
If your material is ONLY slightly twisted, plane both sides alternating from one to the other until the desired thickness is reached.
To Plane Cupped Wood
To obtain the best possible results with cupped wood, rip the material down the middle and plane it as two separate pieces. Ripping the
material reduces the severity of the cup and allows the machine to deliver better results. Understand that you will have to remove more
material on cupped wood to achieve the desired thickness than you would on a normal board. If ripping the material is not an option, plane
one side of the material until at, then plane the opposite side until it is also at. Start with the cupped portion of the board facing down.
NOTE: DO NOT ip the board back and forth between each pass as recommended by the general planing directions.
To Plane Bowed Wood
The feed rollers and cutter head in your planer will push the bow out of the material as it feeds. However, when the material exits the
planer, the pressure of the rollers and cutterhead will release allowing the wood to spring back into a bowed formation. To properly remove
the bow, use a jointer.
MAINTENANCE/ADJUSTMENT
To reduce the risk of injury, turn unit off and
disconnect the machine from power source before installing
and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Wear gloves when you remove the knives
for sharpening or replacement. The knives in this planer
are very sharp.
Disconnect the machine from the power
source.
The knives are sharp. Be careful when
removing, handling, or installing knives.
The knives supplied with your planer are double edged and
reversible so that you can turn the knives end-for-end when one
edge becomes dull or chipped. To change the knives see Figures
19 - 22.
1. Raise the cuter head assembly to 4 inch (102mm) on
the “Scale and Pointer”.
2. Remove the screws A. Pull the dust deector or dust
collection attatchment – whichever is installed – B
straight out.
3. Insert the supplied wrench PC5 into the hex hole. Rotate
the cutterhead until the cutterhead lock engages.
4. Remove the seven screws Eand use magnetic end of
the wrench to remove the hold-down bar F.
FIGURE 19
FIGURE 20
OPERATION
PC5
A
B
HOW TO CHECK, ADJUST, CLEAN
AND REPLACE KNIVES

16
MAINTENANCE/ADJUSTMENT
FIGURE 21
FIGURE 22
FIGURE 23
5. Place the magnetized end of the wrench PC5 at the
center of the knife. Lift the wrench until the knife
Hseparates from the pins. Remove the knife.
Repeat steps 3 through 5 to remove the other two
knives. Press down the cutterhead lock release and use
the supplied wrench PC5 to rotate the cutterhead until
the lock engages and the next knife is in position to be
removed.
6. IMPORTANT: After removing all knives from
cutterhead, carefully set them aside. Using a cloth rag
and isopropyl alcohol, clean the cutterhead, knives and
hold-down bars free of gum, tar and pitch residue. Take
special care to clean the cutterhead under the knife area
and the cutterhead radius in front of the knife area.
Doing this will increase the life of your planer.
7. Take this time also to clean the rollers IFigure 23.
8. Your unit is equipped with double-edged knives. If the
second edge of the knife has not been used, rotate
the knife 180 degrees and replace on the cutterhead.
Replace the knives if both sides have been used.
9. Attach the hold-down bar FFigure 21 that you
removed in STEP 4. Tighten all fasteners securely.
10. Depress the cutterhead lock release and rotate
the cutterhead to the next empty position until the
cutterhead lock engages.
11. Repeat steps 9 through 11 to replace the other knives.
12. Reattach the dust deector or dust collection port.
PC5
E
F
H
I

17
How to Adjust the In-Feed and Out-Feed Tables
Your unit has been factory set to eliminate snipe. If your unit loses
its adjustment and causes snipe, you can adjust the in-feed and out-
feed tables to minimize this condition.
1. Raise the cutter head.
2. Place a dime AFigure 24 at each end of the Wear
Table (in-feed and out-feed).
3. Place a straight edge Bacross the two dimes. Extend
the straight edge past the edges of the in-feed and out-
feed tables.
4. If your tables are properly adjusted, the straight edge
will touch both of the dimes and both the edges of the
tables.
5. If your table needs adjustment, loosen the lock nuts D
Figure 25 on the table height-adjustment screws C.
Adjust the screws up or down to achieve the desired
table height.
6. Make sure that both height-adjustment screws contact
the bottom of the table after adjustment.
7. Re-tighten lock nuts.
FIGURE 24
FIGURE 25
MAINTENANCE/ADJUSTMENT
AB
D
C

18
The depth adjustment scale AFigure 26 on your planer is set
at the factory. However, with extended use, the depth adjustment
scale could show an incorrect measurement. To check the depth
adjustment scale, plane a piece of scrap wood, noting the
measurement on the depth adjustment scale. Measure the
nished thickness of the workpiece. When measuring the
thickness, measure away from the ends. Beware of snipe.
Measuring the snipe could result in inaccurate measurements. If
the thickness of the workpiece does not match the reading on
the depth adjustment scale, loosen the two screws Bon the
red indicator. Adjust the pointer up or down until its reading
matches the nished thickness of the workpiece. Securely re-
tighten the screws.
How to Calibrate the Depth Adjustment Scale
Keep the table clean and free from oil, grease, and pitch. Treat the
table with paste wax to help maintain its smooth nish.
Wear Table and In-Feed/ Out-Feed Table
Maintenance
Your planer is equipped with an 18 amp circuit breaker. If your
planer becomes overloaded and stops operating, turn o the
planer, let the unit sit for 2 minutes and press the reset button
F10 as shown in Figure 27 before you resume working.
Circuit Breaker Reset Button
To prevent the planer from starting
unexpectedly if power is interrupted by a circuit breaker
trip, make sure the switch is in the “OFF” position before
restoring power.
NOTE: Circuit breaker overload is often the result of dull knives.
Change your knives on a regular basis to avoid tripping your
breaker. Check your knives before re-setting the circuit breaker
and continuing to plane. FIGURE 27
FIGURE 28
Drive belts are available at extra cost at RIDGID®authorized service centers. Replacement of the drive belt should be performed by
qualied service personnel.
Replacing the Drive Belt
Keep Machine Clean
Periodically blow out all air passages with dry compressed air. All plastic parts should be cleaned with a soft damp cloth.
NEVER use solvents to clean plastic parts. They could possibly dissolve or otherwise damage the material.
Wear certified safety equipment for eye, hearing and respiratory protection while using
compressed air.
Lubrication
Apply household floor paste wax to the machine table, extension table or other work surface weekly. Or use a commercially available
protective product designed for this purpose. Follow the manufacturer’s instructions for use and safety.
FIGURE 26
Brush Change
Your planer is equipped with brush caps CFigure 28 that are
external to the motor. If your brushes need to be replaced, begin
by acquiring a new set from a RIDGID®service center or a dealer
authorized to service RIDGID®products. Use ONLY identical
RIDGID®brushes.
MAINTENANCE/ADJUSTMENT
A
B
F10
C

19
ACCESSORIES
A complete line of accessories is available from your RIDGID®Supplier, RIDGID®Factory Service Centers, and RIDGID®Authorized
Service Centers. Please visit our Web Site www.RIDGID.com for an online catalog or for the name or your nearest supplier.
Since accessories other than those oered by RIDGID®have not been tested with this product, use of
such accessories could be hazardous. For safest operation, only RIDGID®recommended accessories
should be used with this product.
TROUBLESHOOTING
For assistance with your machine, visit our website at www.RIDGID.com for a list of service centers or call RIDGID®Stationary
Power Tool Technical Service at (toll free) 1-888-359-4778.
FAILURE TO START
If your machine fails to start, check to make sure the prongs on the cord plug are making good contact in the receptacle, and check
reset button on power switch housing. Also, check for blown fuses or open circuit breakers in your power line.
Problem Possible Cause Solution
Snipe (uneven cut on end of boards) 1. Dull cutterhead blades
2. Incorrect butted stock
3. Unit not mounted properly
1. Replace or ip cutterhead blades.
2. Butt pieces end to end as you feed
them into the planer.
3. Tighten mounting bolts.
Torn grain 1. Cutterhead depth too deep
2. Workpiece fed against the grain
3. Dull cutterhead blades
1. Reduce the depth of cut.
2. Feed opposite end of board rst.
3. Replace or ip cutterhead blades.
Fuzzy/rough grain 1. Moisture content high in workpiece
2. Dull cutterhead blades
3. Cutterhead depth too deep
4. Incorrect feeding spread
1. Make sure wood is dry prior to
planing.
2. Replace or ip cutterhead blades.
3. Reduce the depth of cut.
4a. Check for proper power supply.
4b. Check cord and plug for damage.
4c. Check motor brush condition.
Uneven depth of cut 1. Cutterhead not level with Wear Table
2. Inconsistent pressure from rollers
3. Rollers have uneven wear on them
1. Adjust the elevation nuts.
2-3. Contact local authorized Service
Center.
Board thickness does not match depth scale
indicator 1. Depth scale incorrect 2. Tables dirty 1. Adjust depth scale. 2. Clean and wax the tables.
Cutterhead height dicult to adjust 1. Dirty spindle
2. Worn chain 1. Clean and lubricate the spindle. 2. Contact local authorized Service
Center.
Will not start 1. Not plugged in
2. Blown circuit
3. Motor Failure
4. Loose wire
5. On/O switch not working
6. Motor overload
1. Check power source.
2. Replace fuse, reset breaker, or
contact a certied electrician.
3-6. Contact local authorized Service
Center.
Interrupted operation 1. Unit overloaded
2. Circuit overloaded 1. Reduce the load on the unit. 2. Operate on independent circuit not
connected to other appliances.

20
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 RIDGID®, Inc. All warranty
communications should be directed to Customer Service
attn: RIDGID®Stationary Power Tool Technical Service at
(toll free) 1-888-359-4778.
90-DAY SATISFACTION GUARANTEE POLICY
During the rst 90 days after the date of purchase, if you
are dissatised with the performance of this RIDGID®
Stationary Power Tool for any reason you may return the
tool to the dealer from which it was purchased for a full
refund or exchange. To receive a replacement tool you
must present proof of purchase and return all original
equipment packaged with the original product. The
replacement tool will be covered by the limited warranty
for the balance of the 5 YEAR service warranty period.
WHAT IS COVERED UNDER THE 5 YEAR
LIMITED SERVICE WARRANTY
This warranty on RIDGID®Stationary Power Tools covers
all defects in workmanship or materials in this Ridgid®
tool for ve years following the purchase date of the tool.
Warranties for other RIDGID®products may vary.
HOW TO OBTAIN SERVICE
To obtain service for this RIDGID®tool you must call
RIDGID®Customer Service at (toll free) 1-888-359-4778
or email us at RidgidW[email protected].
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, 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, failure or defect resulting from
misuse, abuse, neglect, alteration, modication or repair
by other than an authorized service center for RIDGID®
branded stationary power tools. Consumable accessories
provided with the tool such as, but not limited to, blades,
bits and sand paper are not covered.
RIDGID®MAKENOWARRANTIES,REPRESENTATIONS
OR PROMISES AS TO THE QUALITY OR
PERFORMANCE OF ITS POWER TOOLS OTHER THAN
THOSE SPECIFICALLY STATED IN THIS WARRANTY.
ADDITIONAL LIMITATIONS
To the extent permitted by applicable law, all implied
warranties, including warranties of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE, are
disclaimed. Any implied warranties, including warranties
of merchantability or tness for a particular purpose,
that cannot be disclaimed under state law are limited
to ve years from the date of purchase. RIDGID®is not
responsible for direct, indirect, incidental or consequential
damages. Some states do not allow limitations on how
long an implied warranty lasts and/or do not allow the
exclusion or limitation of incidental or consequential
damages, so the above limitations may not apply to you.
This warranty gives you specic legal rights, and you may
also have other rights which vary from state to state.
RIDGID®STATIONARY POWER TOOL
5 YEAR LIMITED SERVICE WARRANTY