RIDGID R4330 User Manual
OPERATOR’S MANUAL
13 in. THICKNESS PLANER
R4330
Your new planer has been engineered and manufactured to our high standards 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.
SAVE THIS MANUAL FOR FUTURE REFERENCE
TABLE OF CONTENTS
Introduction.......................................................................................................................................................................2
General Safety Rules .....................................................................................................................................................3-4
Specific Safety Rules .....................................................................................................................................................4-5
Symbols .........................................................................................................................................................................6-7
Electrical ........................................................................................................................................................................8-9
Glossary of Terms ........................................................................................................................................................... 10
Features .....................................................................................................................................................................11-12
Tools Needed .................................................................................................................................................................. 12
Loose Parts .....................................................................................................................................................................13
Assembly ...................................................................................................................................................................14-16
Operation ...................................................................................................................................................................17-20
Adjustments ...............................................................................................................................................................21-22
Maintenance ..............................................................................................................................................................23-25
Troubleshooting .............................................................................................................................................................. 26
Warranty .........................................................................................................................................................................27
Parts Ordering/Service ......................................................................................................................................Back page
INTRODUCTION
This tool has many features for making its use more pleasant and enjoyable. Safety, performance, and dependability have
been given top priority in the design of this product making it easy to maintain and operate.
2
GENERAL SAFETY RULES
WARNING:
Read and understand all instructions. Failure to
follow all instructions listed below, may result in
electric shock, fire and/or serious personal injury.
READ ALL INSTRUCTIONS
KNOW YOUR POWER TOOL. Read the operator’s manual
carefully. Learn the tool’s applications and limitations
as well as the specific potential hazards related to this
tool.
GUARD AGAINST ELECTRICAL SHOCK BY PREVENT-
ING BODY CONTACT WITH GROUNDED SURFACES.
For example: pipes, radiators, ranges, refrigerator enclosures.
KEEP GUARDS IN PLACE and in good working order.
REMOVE ADJUSTING KEYS AND WRENCHES. Form
habit of checking to see that keys and adjusting wrenches
are removed from tool before turning it on.
KEEP WORK AREA CLEAN. Cluttered areas and benches
invite accidents. DO NOT leave tools or pieces of wood
on the tool while it is in operation.
DO NOT USE IN DANGEROUS ENVIRONMENTS. Do
not use power tools in damp or wet locations or expose
to rain. Keep the work area well lit.
KEEP CHILDREN AND VISITORS AWAY. All visi-
tors should wear safety glasses and be kept a safe
distance from work area. Do not let visitors contact
tool or extension cord while operating.
MAKE WORKSHOP CHILDPROOF with padlocks and
master switches, or by removing starter keys.
DON’T FORCE TOOL. It will do the job better and safer
at the feed rate for which it was designed.
USE RIGHT TOOL. Don’t force the tool or attachment to
do a job it was not designed for. Don’t use it for a purpose
not intended.
USE THE PROPER EXTENSION CORD. Make sure your
extension cord is in good condition. Use only a cord 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. A wire gauge size
(A.W.G.) of at least 12 is recommended for an extension
cord 50 feet or less in length. If in doubt, use the next
heavier gauge. The smaller the gauge number, the heavier
the cord.
DRESS PROPERLY. Do not wear loose clothing, gloves,
neckties, or jewelry. They can get caught and draw you
into moving parts. Rubber gloves and nonskid footwear
are recommended when working outdoors. Also wear
protective hair covering to contain long hair.
ALWAYS WEAR SAFETY GLASSES WITH SIDE
SHIELDS. Everyday eyeglasses have only impact-
resistant lenses, they are NOT safety glasses.
SECURE WORK. Use clamps or a vise to hold work when
practical. It’s safer than using your hand and frees both
hands to operate tool.
DON’T OVERREA CH. Keep proper footing a nd
balance at all times.
MAINTAIN TOOLS 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.
AVOID ACCIDENTAL STARTING. Be sure switch is off
when plugging in any tool.
USE RECOMMENDED ACCESSORIES. Consult the
operator’s manual for recommended accessories. The
use of improper accessories may risk injury.
NEVER STAND ON TOOL. Serious injury could occur if
the tool is tipped or if the cutting tool is unintentionally
contacted.
CHECK DAMAGED PARTS. Before further use of the
tool, a guard or other part that is damaged should be
carefully checked to determine that it will operate properly
and perform its intended function. Check for alignment
of moving parts, binding of moving parts, breakage of
parts, mounting and any other conditions that may affect
its operation. A guard or other part that is damaged must
be properly repaired or replaced by an authorized service
center to avoid risk of personal injury.
USE THE RIGHT DIRECTION OF FEED. Feed work into
a blade or cutter against the direction of rotation of blade
or cutter only.
NEVER LEAVE TOOL RUNNING UNATTENDED. TURN
THE POWER OFF. Don’t leave tool until it comes to a
complete stop.
PROTECT YOUR LUNGS. Wear a face or dust mask if
the cutting operation is dusty.
PROTECT YOUR HEARING. Wear hearing protection
during extended periods of operation.
DO NOT ABUSE CORD. Never yank cord to disconnect
from receptacle. Keep cord from heat, oil, and sharp
edges.
USE OUTDOOR EXTENSION CORDS. When tool
is used outdoors, use only extension cords with
approved ground connection that are intended for use
outdoors and so marked.
NEVER USE IN AN EXPLOSIVE ATMOSPHERE.
Normal sparking of the motor could ignite fumes.
3
GENERAL SAFETY RULES
INSPECT TOOL CORDS PERIODICALLY. If dam-
aged, have repaired by a qualified service technician at
an authorized service facility. 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. Repair or replace a damaged or worn cord
immediately. Stay constantly aware of cord location and
keep it well away from the rotating blade.
INSPECT EXTENSION CORDS PERIODICALLY and
replace if damaged.
GROUND ALL TOOLS. If tool is equipped with three-
prong plug, it should be plugged into a three-hole
electrical receptacle.
CHECK WITH A QUALIFIED ELECTRICIAN or service
personnel if the grounding instructions are not completely
understood or if in doubt as to whether the tool is properly
grounded.
USE ONLY CORRECT ELECTRICAL DEVICES: 3-wire
extension cords that have 3-prong grounding plugs and
3-pole receptacles that accept the tool’s plug.
DO NOT MODIFY the plug provided. If it will not fit the
outlet, have the proper outlet installed by a qualified
electrician.
KEEP TOOL DRY, CLEAN, AND FREE FROM OIL AND
GREASE. Always use a clean cloth when cleaning. Never
use brake fluids, gasoline, petroleum-based products, or
any solvents to clean tool.
STAY ALERT AND EXERCISE CONTROL. Watch what
you are doing and use common sense. Do not operate
tool when you are tired. Do not rush.
DO NOT USE TOOL IF SWITCH DOES NOT TURN IT
ON AND OFF. Have defective switches replaced by an
authorized service center.
NEVER TOUCH BLADE or other moving parts during
use.
NEVER START A TOOL WHEN ANY ROTATING
CO M PON E NT IS I N CO NTA C T WI T H T HE
WORKPIECE.
DO NOT OPERATE A TOOL WHILE UNDER THE
IN FLUENC E OF D RUGS, ALCOH OL, OR ANY
MEDICATION.
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 of accessories are included
with the accessory.
DOUBLE CHECK ALL SETUPS. Make sure blade is tight
and not making contact with tool or workpiece before
connecting to power supply.
SPECIFIC SAFETY RULES
NEVER PERFORM THE PLANING OPERATION with
the cutterhead or dust hood removed.
NEVER MAKE A PLANING CUT deeper than 1/8 in.
DO NOT PLANE MATERIAL shorter than 14 in. or
narrower than 3/4 in.
MAINTAIN THE PROPER RELATIONSHIP between the
infeed and outfeed surfaces and the cutterhead blade
path.
SUPPORT THE WORKPIECE ADEQUATELY at all
times during operation; maintain control of the work at
all times.
NEVER FEED THE WORK from the rear of the planer.
DO NOT ATTEMPT TO PERFORM an abnormal or little
used operation without the use of sturdy and adequate
jigs, fixtures, stops, and the like.
NEVER plane more than one piece at a time. DO NOT
PLANE more than one workpiece on the planer table at
a time.
BEFORE STARTING UP, recheck to make certain all
holding screws are tight.
STOP THE MACHINE and recheck the hex head bolts
and blades for tightness after about 50 hours of operation.
DO NOT FORCE FEED THE WORKPIECE through the
machine. Let the planer apply the proper feed rate.
CHECK THE FEED ROLLERS occasionally to be sure
there are no chips or sawdust between any components.
PLANE ONLY SOUND LUMBER; there should be no
loose knots and as few tight knots as possible. Make sure
the workpiece is free from nails, screws, stones, or other
foreign objects that could break or chip the blades.
NEVER STAND DIRECTLY IN LINE with either the infeed
or outfeed sides. Stand off to one side.
MAKE SURE THE BLADES ARE ATTACHED as described
in the operation section. The blades are sharp and can
easily cut your hand. Use caution in handling the blades
and cutterhead guard.
4
SPECIFIC SAFETY RULES
NEVER PUT YOUR FINGERS into the dust hood or under
the cutter guard.
ALLOW THE CUTTERHEAD to reach full speed before
using the planer.
REPLACEMENT PARTS. All repairs, whether electrical or
mechanical, should be made at your nearest authorized
service center.
DO NOT attempt to turn cutterhead with hands.
IF ANY PART OF THIS TOOL IS MISSING or should
break, bend, or fail in any way, or should any electrical
component fail to perform properly, shut off the power
switch, remove the plug from the power source, and
have damaged, missing, or failed parts replaced before
resuming operation.
ALWAYS STAY ALERT! Do not allow familiarity (gained
from frequent use of your planer) to cause a careless
mistake. ALWAYS REMEMBER that a careless fraction
of a second is sufficient to inflict serious injury.
MAKE SURE THE WORK AREA HAS AMPLE LIGHTING
to see the work and that no obstructions will interfere with
safe operation BEFORE performing any work using your
planer.
ALWAYS TURN OFF TOOL before disconnecting it to
avoid accidental starting when reconnecting to power
supply.
IF THE POWER SUPPLY CORD IS DAMAGED, it must
be replaced only by the manufacturer or by an authorized
service center to avoid risk.
THIS TOOL should have the following markings:
a) Wear eye protection.
b) Keep hands away from cutterhead.
c) Do not operate saw without guards in place.
d) Do not perform any operation freehand.
e) Never reach around saw blade.
f) Turn off tool and wait for blades to stop before
moving workpiece or changing settings.
g) Disconnect power (or unplug tool as applicable)
before changing blades or servicing.
h) No load speed.
S AV E T HESE INS T RUCTION S . Refer t o them
frequently and use to instruct other users. If you loan
someone this tool, loan them these instructions also.
WARNING:
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemi-
cals known to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement and other masonry products, and
• 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
those dust masks that are specially designed to filter out microscopic particles.
5
SYMBOLS
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.
SYMBOL NAME DESIGNATION/EXPLANATION
V Volts
A Amperes
Hz Hertz
W Watt
min Minutes
Alternating Current
Direct Current
n
o
.../min
No Load Speed
Class II Construction
Per Minute
Wet Conditions Alert
Voltage
Current
Frequency (cycles per second)
Power
Time
Type of current
Type or a characteristic of current
Rotational speed, at no load
Double-insulated construction
Revolutions, strokes, surface speed, orbits etc., per minute
Do not expose to rain or use in damp locations.
Read The Operator’s Manual
Eye Protection
Safety Alert
No Hands Symbol
Hot Surface
To reduce the risk of injury, user must read and understand
operator’s manual before using this product.
Always wear safety goggles, safety glasses with side shields, or
a full face shield when operating this product.
Precautions that involve your safety.
Failure to keep your hands away from the blade will result in
serious personal injury.
To reduce the risk of injury or damage, avoid contact with any
hot surface.
6
SYMBOLS
The following signal words and meanings are intended to explain the levels of risk associated with this product.
SYMBOL SIGNAL MEANING
DANGER:
WARNING:
CAUTION:
CAUTION:
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 moderate injury.
(Without Safety Alert Symbol) Indicates a situation that may result in
property damage.
SERVICE
Servicing requires extreme care and knowledge and should
be performed only by a qualified service technician. For
service we suggest you return the product to your nearest
AUTHORIZED SERVICE CENTER for repair. When servicing, use only identical replacement parts.
WARNING:
To avoid serious personal injury, do not attempt
to use this product until you read thoroughly and
understand completely the operator’s manual.
If you do not understand the warnings and
instructions in the operator’s manual, do not use
this product. Call RIDGID® customer service for
assistance.
WARNING:
The operation of any power tool can result in foreign objects being thrown into your eyes, which can result
in severe eye damage. Before beginning power tool operation, always wear safety goggles or safety
glasses with side shields and, when needed, a full face shield. We recommend Wide Vision Safety Mask
for use over eyeglasses or standard safety glasses with side shields. Always use eye protection which
is marked to comply with ANSI Z87.1.
SAVE THESE INSTRUCTIONS
7
ELECTRICAL
EXTENSION CORDS
Use only 3-wire extension cords that have 3-prong grounding plugs and 3-pole receptacles that accept the tool’s plug.
When using a power tool at a considerable distance from the
power source, use an extension cord heavy enough to carry
the current that the tool will draw. An undersized extension
cord will cause a drop in line voltage, resulting in a loss of
power and causing the motor to overheat. Use the chart
provided below to determine the minimum wire size required
in an extension cord. Only round jacketed cords listed by
Underwriter's Laboratories (UL) should be used.
**Ampere rating (on tool faceplate)
0-2.0 2.1-3.4 3.5-5.0 5.1-7.0 7.1-12.0 12.1-16.0
Cord Length Wire Size (A.W.G.)
25' 16 16 16 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
When working with the tool outdoors, use an extension cord
that is designed for outside use. This is indicated by the
letters “WA” on the cord’s jacket.
Before using an extension cord, inspect it for loose or
exposed wires and cut or worn insulation.
WARNING:
Keep the extension cord clear of the working area.
Position the cord so that it will not get caught on
lumber, tools or other obstructions while you are
working with a power tool. Failure to do so can
result in serious personal injury.
SPEED AND WIRING
The no-load speed of this tool is approximately 10,000 RPM.
This speed is not constant and decreases under a load or
with lower voltage. For voltage, the wiring in a shop is as
important as the motor’s horsepower rating. A line intended
only for lights cannot properly carry a power tool motor. Wire
that is heavy enough for a short distance will be too light for
a greater distance. A line that can support one power tool
may not be able to support two or three tools.
GROUNDING INSTRUCTIONS
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 tool 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 a 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 tool is properly grounded.
Repair or replace a damaged or worn cord immediately.
This tool is intended for use on a circuit that has an outlet
like the one shown in figure 1. It also has a grounding pin
like the one shown.
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.
ELECTRICAL CONNECTION
This tool is powered by a precision built electric motor. It
should be connected to a power supply that is 120 V, 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.
GroundinG
Pin
8
120 V Grounded outlet
Fig. 1
ELECTRICAL
MOTOR SAFETY PROTECTION
This motor should be blown out or vacuumed frequently to
prevent sawdust buildup which can interfere with normal
motor ventilation.
Connect this tool to a power source with the appropriate
voltage for your model and a 15-amp branch circuit with
a 15-amp time delay fuse or circuit breaker. Using the
wrong size fuse can damage the motor.
If the motor won’t start, turn off the power switch
immediately and unplug the tool. Check the cutterhead
to make sure it turns freely. If the head is free, try to start
the motor again. If the motor still does not start, refer to
the Troubleshooting section.
Frequent “blowing” of fuses or tripping of circuit breakers
may result if:
Improper or dull blades are used.
NOTE: Do not continuously use the thickness planer set
at maximum depth of cut (1/8 in.) and at full 13 in. width
of cut. Continuous use at maximum cutting capacity will
damage your motor.
Motor is overloaded. Overloading can occur if a workpiece
is fed too rapidly or if the tool is misaligned.
Motor circuit is fused differently from recommendations.
Always follow instructions for the proper fuse / breaker.
Do not use a fuse/breaker of greater capacity without
consulting a qualified electrician.
Low voltage. Although the motor is designed for operation
on the voltage and frequency specified on the motor,
normal loads will be handled safely on voltage no more
than ten percent above or below that figure. Heavy loads,
however, require that voltage at motor terminals equal the
voltage specified on the motor.
NOTE: Always check the connections, the load, and the
supply circuit whenever the motor fails to perform satisfactorily.
oVerloAd
ProteCtor / reSet
Button
Fig. 2
MOTOR OVERLOAD PROTECTOR
See Figure 2.
WARNING:
To reduce the risk of serious personal injury from
thrown objects or blade contact from unexpected
starting, immediately turn off the tool if the
protector stops the motor. Remove the switch
key and allow the motor time to cool.
This planer is equipped with a overload protector device
which will automatically “trip” and cause the planer to shut
down if the motor is overheating due to continuous heavy
cutting.
The planer overload protector can only be reset manually
by the user after the planer has been allowed to adequately
cool. Allow 15 - 30 minutes.
Should the overload protector “trip”:
Turn switch OFF ( O ).
Raise carriage and remove board.
After 15 - 30 minutes, reset the overload protector by
pushing the red reset button on the front of the tool. An
audible click will indicate the overload protector is reset.
Once the button is reset, the tool may be started and
operated as normal.
NOTE: If the red button won’t click into place immediately,
the motor is still too hot and must be allowed to cool.
If motor has cooled, button will remain in.
9
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