Makita Planer KP312 User Manual

Planer  
MODEL KP312  
003868  
DOUBLE  
INSULATION  
I N S T R U C T I O N M A N U A L  
WARNING:  
For your personal safety, READ and UNDERSTAND before using.  
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.  
w w w. m a k i t a t o o l s . c o m  
 
5. Avoid body contact with grounded sur-  
faces such as pipes, radiators, ranges and  
refrigerators. There is an increased risk of  
electric shock if your body is grounded.  
14. Use safety equipment. Always wear eye  
protection. Dust mask, non-skid safety  
shoes, hard hat, or hearing protection must  
be used for appropriate conditions. Ordinary  
eye or sun glasses are NOT eye protection.  
6. Do not expose power tools to rain or wet  
conditions. Water entering a power tool will  
increase the risk of electric shock.  
Tool Use and Care  
15. Use clamps or other practical way to  
secure and support the workpiece to a  
stable platform. Holding the work by hand or  
against your body is unstable and may lead  
to loss of control.  
7. Do not abuse the cord. Never use the cord  
to carry the tools or pull the plug from an  
outlet. Keep cord away from heat, oil,  
sharp edges or moving parts. Replace  
damaged cords immediately. Damaged  
cords increase the risk of electric shock.  
16. Do not force tool. Use the correct tool for  
your application. The correct tool will do the  
job better and safer at the rate for which it is  
designed.  
8. When operating a power tool outside, use  
an outdoor extension cord marked “W-A”  
or “W”. These cords are rated for outdoor  
use and reduce the risk of electric shock.  
17. Do not use tool if switch does not turn it  
on or off. Any tool that cannot be controlled  
with the switch is dangerous and must be  
repaired.  
Personal Safety  
9. Stay alert, watch what you are doing and  
use common sense when operating a  
power tool. Do not use tool while tired or  
under the influence of drugs, alcohol, or  
medication. A moment of inattention while  
operating power tools may result in serious  
personal injury.  
18. Disconnect the plug from the power  
source before making any adjustments,  
changing accessories, or storing the tool.  
Such preventive safety measures reduce the  
risk of starting the tool accidentally.  
19. Store idle tools out of reach of children  
and other untrained persons. Tools are  
dangerous in the hands of untrained users.  
10. Dress properly. Do not wear loose cloth-  
ing or jewelry. Contain long hair. Keep  
your hair, clothing, and gloves away from  
moving parts. Loose clothes, jewelry, or  
long hair can be caught in moving parts.  
20. Maintain tools with care. Keep cutting  
tools sharp and clean. Properly maintained  
tools with sharp cutting edges are less likely  
to bind and are easier to control.  
11. Avoid accidental starting. Be sure switch  
is off before plugging in. Carrying tools with  
your finger on the switch or plugging in tools  
that have the switch on invites accidents.  
21. Check for misalignment or binding of  
moving parts, breakage of parts, and any  
other condition that may affect the tools  
operation. If damaged, have the tool ser-  
viced before using. Many accidents are  
caused by poorly maintained tools.  
12. Remove adjusting keys or wrenches  
before turning the tool on. A wrench or a  
key that is left attached to a rotating part of  
the tool may result in personal injury.  
22. Use only accessories that are recom-  
mended by the manufacturer for your  
model. Accessories that may be suitable for  
one tool, may become hazardous when used  
on another tool.  
13. Do not overreach. Keep proper footing  
and balance at all times. Proper footing and  
balance enables better control of the tool in  
unexpected situations.  
3
 
24. When servicing a tool, use only identical  
replacement parts. Follow instructions in  
the Maintenance section of this manual.  
Use of unauthorized parts or failure to follow  
Maintenance instructions may create a risk of  
electric shock or injury.  
SERVICE  
23. Tool service must be performed only by  
qualified repair personnel. Service or main-  
tenance performed by unqualified personnel  
could result in a risk of injury.  
USE 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. Table 1 shows the correct size to use depending on cord length and  
nameplate ampere rating. If in doubt, use the next heavier gage. The smaller the gage num-  
ber, the heavier the cord.  
Table 1: Minimum gage for cord  
Volts  
120 V  
Total length of cord in feet  
Ampere Rating  
25 ft.  
50 ft.  
100 ft.  
150 ft.  
More Than  
Not More Than  
AWG  
0
6
10  
12  
6
18  
18  
16  
14  
16  
16  
16  
12  
16  
14  
14  
14  
12  
12  
10  
12  
16  
Not Recommended  
SPECIFIC SAFETY RULES  
USB042-2  
DO NOT let comfort or familiarity with product (gained from  
repeated use) replace strict adherence to planer safety rules. If  
you use this tool unsafely or incorrectly, you can suffer serious  
personal injury.  
1. Rags, cloth, cord, string and the like  
should never be left around the work area.  
6. Keep hands away from rotating parts.  
7. Before using the tool on an actual work-  
piece, let it run for a while. Watch for  
vibration or wobbling that could indicate  
poor installation or a poorly balanced  
blade.  
2. Avoid cutting nails. Inspect for and  
remove all nails from the workpiece  
before operation.  
3. Use only sharp blades. Handle the blades  
very carefully.  
8. Make sure the blade is not contacting the  
workpiece before the switch is turned on.  
4. Be sure the blade installation bolts are  
securely tightened before operation.  
9. Wait until the blade attains full speed  
before cutting.  
5. Hold the tool firmly with both hands.  
4
 
10. Keep at least 200 mm (8”) away from the  
tool at all times.  
15. Always change both blades or covers on  
the drum, otherwise the resulting imbal-  
ance will cause vibration and shorten tool  
life.  
11. Always switch off and wait for the blades  
to come to a complete stop before any  
adjusting.  
16. Wait for complete run-down before put-  
ting the tool aside.  
12. Never stick your finger into the chip  
chute. Chute may jam when cutting damp  
wood. Clean out chips with a stick.  
17. Use only Makita blades specified in this  
manual.  
13. Do not leave the tool running. Operate the  
tool only when hand-held.  
18. Some material contains chemicals which  
may be toxic. Take caution to prevent  
dust inhalation and skin contact. Follow  
material supplier safety data.  
14. When leaving the planer, switch off and  
set it with the front base up on a wooden  
block, so that the blades do not contact  
anything.  
SAVE THESE INSTRUCTIONS  
WARNING:  
MISUSE or failure to follow the safety rules stated in this  
instruction manual may cause serious personal injury.  
SYMBOLS  
USD201-2  
The followings show the symbols used for tool.  
V .......................volts  
....................no load speed  
n
˚
A .......................amperes  
....................Class II Construction  
Hz .....................hertz  
.../min................revolutions or reciprocation per  
minute  
................alternating current  
5
 
FUNCTIONAL  
DESCRIPTION  
CAUTION:  
Always be sure that the tool is switched off and  
unplugged before adjusting or checking function on the  
tool.  
003869  
Adjusting depth of cut  
1
The depth of cut can be adjusted within a range of  
0 - 3.5 mm (1/8). Turn the knob on the front of the tool until  
the pointer is aligned with the desired cutting depth on the  
scale. Set the depth of a cut observing the maximum depth  
which is limited by width according to the following table.  
003870  
2
Corelation of width of cut and maximun depth of cut  
1. Knob  
Width of cut  
0 - 150 mm (0 - 5-7/8)  
Maximum depth of cut  
3.5 mm (1/8)  
2. Scale plate  
150 - 240 mm (5-7/8- 9-1/2)  
240 - 312 mm (9-1/2- 12-1/4)  
2 mm (3/32)  
1.5 mm (1/16)  
003871  
Switch action  
CAUTION:  
2
Before plugging in the tool, always check to see that the  
switch trigger actuates properly and returns to the OFF”  
1
position when released.  
Switch can be locked in ONposition for ease of  
operator comfort during extended use. Apply caution  
when locking tool in ONposition and maintain firm  
grasp on tool.  
1. Switch trigger  
2. Lock button  
To start the tool, simply pull the switch trigger. Release the  
switch trigger to stop.  
For continuous operation, pull the switch trigger and then  
push in the lock button.  
To stop the tool from the locked position, pull the switch trig-  
ger fully, then release it.  
6
 
003873  
Edge fence (Guide rule)  
1
Edge fence is useful for minimizing a short run of cut by cut-  
ting in a uniform width. The edge fence (guide rule) is pro-  
vided on the side of the tool. Press two pins for the edge  
fence (guide rule) so that the edge fence appears. Move the  
tool forward while keeping the flat surface of the edge fence  
in contact with the side of the workpiece.  
2
To return the edge fence to an original position, push it  
upwards from its underside.  
1. Pins  
2. Edge fence (Guide rule)  
003874  
Foot  
After a cutting operation, raise the back side of the tool and a  
foot comes under the level of the rear base. This prevents  
the tool blades to be damaged.  
1
3
2
1. Rear base  
2. Foot  
3. Planer blade  
003875  
Guideline of cutting blade passage  
Both ends of the front base are a guideline to show the ends  
of cutting blades passage.  
1
1. Front base  
7
 
ASSEMBLY  
CAUTION:  
Always be sure that the tool is switched off and  
unplugged before carrying out any work on the tool.  
003876  
Removing or installing planer blades  
CAUTION:  
1
Tighten the blade installation bolts carefully when  
attaching the blades to the tool. A loose installation bolt  
can be dangerous. Always check to see they are  
tightened securely.  
2
Handle the blades very carefully. Use gloves or rags to  
protect your fingers or hands when removing or installing  
the blades.  
1. Socket wrench  
2. Installation bolt  
Use only the Makita wrench provided to remove or install  
the blades. Failure to do so may result in overtightening  
or insufficient tightening of the installation bolts. This  
could cause an injury.  
003878  
To remove planer blades from the drum, loosen the eight  
installation bolts by only one full turn with the socket wrench.  
Then push and slide a planer blade sideways from the belt  
side using the helm of the socket wrench.  
1
To remove another planer blade, follow the same procedure  
as above.  
To install the blades, first clean out all chips or foreign matter  
adhering to the drum or blades.  
1. Socket wrench  
003879  
2
1
4
3
5
6
7
1. Drum plate  
2. Installation bolt  
3. Set plate screw  
4. Set plate  
5. Planer blade  
6. Adjusting screw  
7. Drum  
8
 
003880  
Insert the blade between the drum and the set plate from the  
nozzle extraction side so that the blade will be centered from  
both ends of the drum or set plate.  
First tighten the eight installation bolts lightly and evenly  
shifting from the center bolts to the outward bolts with the  
socket wrench.  
And then, tighten all of the installation bolts securely. Install  
another blade in the same manner as above.  
For the correct planer blade setting  
Your planing surface will end up rough and uneven, unless  
the blade is set properly and securely. The blade must be  
mounted so that the cutting edge is absolutely level, that is,  
parallel to the surface of the rear base.  
Below are some examples of proper and improper settings.  
EN0004-1  
(A) Front base (Movable shoe)  
(B) Rear base (Stationary shoe)  
Although this side view cannot  
show it, the edges of the blades  
run perfectly parallel to the rear  
base surface.  
Correct setting  
Nicks in surface  
Gouging at start  
(A)  
(B)  
Cause: One or both blades fails to  
have edge parallel to rear  
base line.  
Cause: One or both blade edges  
fails to protrude enough in  
relation to rear base line.  
(A)  
(A)  
(B)  
(B)  
Cause: One or both blade edges  
protrudes too far in relation  
to rear base line.  
Gouging at end  
9
 
003879  
Blade height adjustment  
2
Blade height adjustment is usually not necessary. However,  
if you notice that the blade edge is below the level of the rear  
base or protrudes too far from the rear base, proceed as fol-  
lows.  
1
4
3
5
6
7
Loosen the eight installation bolts and the set plate screws.  
Turn the adjusting screws clockwise to retract the blade or  
counterclockwise to protrude it. After adjusting the blade  
height, tighten the set plate screws and the eight installation  
bolts securely.  
1. Drum plate  
2. Installation bolt  
3. Set plate screw  
4. Set plate  
5. Planer blade  
6. Adjusting screw  
7. Drum  
003882  
Socket wrench storage  
When not in use, store the socket wrench as shown in the  
figure to keep it from being lost.  
1
2
3
1. Socket wrench  
2. Wrench holder  
3. Rear base  
10  
 
003884  
Nozzle assembly and joint (optional accessory)  
Nozzle assembly and joint are used when connecting the  
tool to vacuum cleaner.  
When you wish to perform cleaner operation, connect a vac-  
uum cleaner to your tool.  
To connect vacuum cleaner, remove the chip guide from the  
tool. Place nozzle assembly and joint in its place and then  
tighten screws to secure them.  
1
1. Chip guide  
Connect a hose of vacuum cleaner to the joint.  
003885  
2
1
3
1. Joint  
2. Nozzle assembly  
3. Hose  
OPERATION  
003886  
Planing operation  
First, rest the tool front base flat upon the workpiece surface  
without the blades making any contact. Switch on and wait  
until the blades attain full speed. Then move the tool gently  
forward. Apply pressure on the front of tool at the start of  
planing, and at the back at the end of planing.  
2
1
The speed and depth of cut determine the kind of finish. The  
power planer keeps cutting at a speed that will not result in  
jamming by chips. For rough cutting, the depth of cut can be  
increased, while for a good finish you should reduce the  
depth of cut and advance the tool more slowly.  
1. At the start of planing  
2. At the end of planing  
003887  
Front roller  
When performing repeated cuts, the use of the front roller  
enables quick and effortless return of the tool toward an  
operator by raising the back end of the tool so that the tool  
blades do not contact a workpiece and then sliding tool on  
the front roller.  
1
1. Front roller  
11  
 
MAINTENANCE  
CAUTION:  
Always be sure that the tool is switched off and  
unplugged before attempting to perform inspection or  
maintenance.  
001145  
Replacing carbon brushes  
Remove and check the carbon brushes regularly. Replace  
when they wear down to the limit mark. Keep the carbon  
brushes clean and free to slip in the holders. Both carbon  
brushes should be replaced at the same time. Use only iden-  
tical carbon brushes.  
1
1. Limit mark  
003888  
Use a screwdriver to remove the brush holder caps. Take out  
the worn carbon brushes, insert the new ones and secure  
the brush holder caps.  
1
2
To maintain product SAFETY and RELIABILITY, repairs, any  
other maintenance or adjustment should be performed by  
Makita Authorized or Factory Service Centers, always using  
Makita replacement parts.  
1. Screwdriver  
2. Brush holder cap  
ACCESSORIES  
CAUTION:  
These accessories or attachments are recommended for  
use with your Makita tool specified in this manual. The  
use of any other accessories or attachments might  
present a risk of injury to persons. Only use accessory or  
attachment for its stated purpose.  
If you need any assistance for more details regarding these  
accessories, ask your local Makita service center.  
Planer blade  
Triangular rule  
Nozzle assembly  
Joint  
Socket wrench  
12  
 
First-Class  
Postage  
Required  
Post Office will  
not deliver  
without proper  
postage.  
Makita U.S.A., Inc.  
14930 Northam Street  
La Mirada, CA 90638-5753  
Fold  
 
MAIL THIS PORTION  
Your answers to the following questions are appreciated.  
1.This product was purchased from:  
3. How did you learn about this product:  
Home Center  
Other (  
)
Magazine  
Radio  
Hardware/Lumber Store  
Tool Distributor  
From Dealer  
Newspaper  
Store Display  
Catalog  
Exhibition  
From Friend  
Previous Usage  
Other (  
Industrial Supply  
Construction Supply  
)
2. Use of the product is intended for:  
4. Most favored points are:  
Construction Trade  
Industrial Maintenance  
Home Maintenance  
Hobby  
Design  
Repair Service  
Durability  
Power  
Features  
Size  
Price  
Other (  
)
Other (  
)
Makita Brand  
5. Any comments:  
DATE PURCHASED  
MONTH  
MODEL NO.  
DAY  
YEAR  
SERIAL NO.  
STATUS  
SEX  
Married Single  
M
F
INTL.  
LAST NAME / COMPANY NAME  
STREET ADRESS  
CITY  
AREA  
CODE  
STATE  
ZIP CODE  
PHONE  
40-49  
Under 19  
20-29  
30-39  
50-60  
Over 60  
AGE:  
BE SURE TO COMPLETE THE CUSTOMERS PORTION OF THIS FORM AND RETAIN FOR YOUR RECORDS.  
Please return this portion by facsimile or mail.  
Facsimile No: (714) 522-8133  
 
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FACTORY SERVICE CENTERS  
1-800-4-MAKITA  
RETAIN THIS PORTION FOR YOUR RECORDS  
ARIZONA  
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PUERTO RICO  
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La Mirada, CA 90638-5753  
(714) 522-8088  
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Suites. 22 - 24  
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TENNESSEE  
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(916) 482-5197  
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San Diego, CA 92111  
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4917 Genessee Street  
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3453 IH-35 North, Ste. 101  
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53227  
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CUSTOMER’S RECORD  
Date Purchased  
When you need service: Send  
complete tool (prepaid) to one  
of the Makita Factory Service  
Centers listed, or to an Authorized  
Makita Service Center. Be sure  
to attach a letter to the outside of  
the carton detailing the problem  
with your tool.  
Dealer’s Name & Address  
Model No.  
Serial No.  
15  
 
WARNING  
Some dust created by power sanding, sawing, grinding, drilling, and other  
construction activities contains chemicals known to the State of California  
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.  
MAKITA LIMITED ONE YEAR WARRANTY  
Warranty Policy  
Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of  
defects from workmanship and materials for the period of ONE YEAR from the date of original purchase.  
Should any trouble develop during this one year period, return the COMPLETE tool, freight prepaid, to one of  
Makitas Factory or Authorized Service Centers. If inspection shows the trouble is caused by defective  
workmanship or material, Makita will repair (or at our option, replace) without charge.  
This Warranty does not apply where:  
repairs have been made or attempted by others:  
repairs are required because of normal wear and tear:  
the tool has been abused, misused or improperly maintained:  
alterations have been made to the tool.  
IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTAL OR CONSEQUENTIAL  
DAMAGES FROM THE SALE OR USE OF THE PRODUCT. THIS DISCLAIMER APPLIES BOTH DURING  
AND AFTER THE TERM OF THIS WARRANTY.  
MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED WARRANTIES OF  
MERCHANTABILITYAND FITNESS FOR A SPECIFIC PURPOSE,AFTER THE ONE YEAR TERM OF THIS  
WARRANTY.  
This Warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above  
limitation or exclusion may not apply to you. Some states do not allow limitation on how long an implied  
warranty lasts, so the above limitation may not apply to you.  
Makita Corporation  
3-11-8, Sumiyoshi-cho,  
Anjo, Aichi 446-8502 Japan  
884477-067  
 

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