Porter-Cable 3807 User Manual
ESPA OL: P`GINA 19
FRAN˙AISE : PAGE 39
10" Compound
Slide Miter Saw
Instruction
Manual
Part No. 897462-001
The Model and Serial No. plate is located on the main
housing of the tool. Record these numbers in the
spaces below and retain for future reference.
Model No. _________________________________
Type ______________________________________
Serial No. __________________________________
IMPORTANT
Please make certain that the person who is to
use this equipment carefully reads and
understands these instructions before starting
operations.
MODEL3807
To learn more about Porter-Cable
visit our website at:
http://www.porter-cable.com
IMPORTANT SAFETY INSTRUCTIONS
W ARNING: When using electric tools, basic safety precautions should always be followed to reduce the risk of
fire, electric shock and personal injury, including the following:
READ AND FOLLOW ALL INSTRUCTIONS.
There are cert ain applications for which this tool was designed. Porter-Cable strongly recommends that this tool
N O T be modified and/or used for any application other than for which it was designed. If you have any questions
relative to its application DO NOT use the tool until you have written Porter-Cable and we have advised you.
Technical Service Manager
Porter-Cable Corporation
4825 Highway 45 North, P. O. Box 2468
Jackson, TN 38302-2468
POLARIZED PLUGS: To reduce the risk of electric shock, this equipment has a polarized plug (one blade is wider
than the other). This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the
plug. If it still does not fit, cont act a qualified electrician to inst all the proper outlet. Do not change the plug in any way .
1. KEEP WORK AREACLEAN. Cluttered areas and benches invite injuries.
2. AVOID DANGEROUS ENVIRONMENT.Don t expose power tools to rain. Don t use power tools in damp or
wet locations. Keep area well lit. A void chemical or corrosive environment. Do not use tool in presence of
flammable liquids or gases.
3. KEEP CHILDREN AW AY.Do not let visitors cont act tool or extension cord. All visitors should be kept away
from work area.
4. STORE IDLE TOOLS. When not in use, tools should be stored in dry, and high or locked-up place out of
reach of children.
5. DON T FORCE TOOL. It will do the job better and safer at the rate for which it was intended.
6. USE RIGHT TOOL. Do not force tool or att achment to do a job for which it was not designed.
7. DRESS PROPERLY.Do not wear loose clothing or jewelry. Loose clothing, draw strings and jewelry can be
caught in moving parts. Rubber gloves and non-skid footwear are recommended when working outdoors. W ear
protective hair covering to cont ain long hair.
8. USE SAFETY GLASSES. W ear safety glasses or goggles while operating power tools. Also face or dust
mask if operation creates dust. All persons in the area where power tools are being operated should also wear
safety glasses and face or dust mask. Refer to ANSI Z87.1 st andard for appropriate recommendations.
9. SECURE WORK. Use clamps or a vise to hold work. It s safer than using your hand and it frees both hands
to operate tool.
10. D O N T O V E R R E A C H . Keep proper footing and balance at all times.
11. MAINTAIN T OOLS WITH CARE. Keep tools sharp and clean for better and safer performance. Follow
instructions for lubricating and changing accessories. Inspect tool cords periodically and if damaged, have
rep aired by authorized service facility. Inspect extension cords periodically and replace if damaged. Have all worn,
broken or lost p art s replaced immediately. Keep handles dry, clean and free from oil and grease.
12. DISCONNECT TOOLSwhen not in use, before servicing, and when changing accessories such as blades,
bit s, cutters, etc.
13. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting
wrenches are removed from the tool before turning it on.
14. AVOID UNINTENTIONAL STARTING.Do not carry a plugged-in tool with finger on switch. Be sure switch is of f
when plugging in. Keep hands, body and clothing clear of blades, bit s, cutters, etc. when plugging in the tool.
15. OUTDOOR USE EXTENSION CORDS. When tool is used outdoors, use only extension cords marked
Suit able for use with out door appliances store indoors when not in use.
16. STAY ALERT.W atch what you are doing. Use common sense. Do not operate tool when you are tired or while
under the influence of medication, alcohol or drugs.
17. CHECK DAMAGED PARTS. Before further use of the tool, a guard or other p art that is damaged should be
carefully checked to determine that it will operate properly and perform it s intended function. Check for alignment
of moving part s, binding of moving p arts, breakage of p art s, mounting, and any other conditions that may af fect
it s operation. A guard or other p art that is damaged should be properly rep aired or replaced by an authorized
service center unless otherwise indicated elsewhere in this instruction manual. Have defective switches replaced
by authorized service center. Do not use tool if switch does not turn it on and of f.
18. KEEP GUARDS IN PLACE AND IN WORKING ORDER. Never wedge or tie lower guard open. Check
operation of lower guard before each use. Do not use if lower guard does not close briskly over saw blade.
CAUTION: If saw is dropped, lower guard may be bent, restricting full return.
19. KEEP BLADES CLEAN AND SHARP.Sharp blades minimize stalling and kickback.
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20. DANGER: KEEP HANDS AW AY FROM CUTTING AREA. Keep hands away from blades. Do not reach
underneath work while blade is rot ating. Do not attempt to remove cut material when blade is moving.
CAUTION: Blades coast af ter being turned of f.
21. MAKE WORKSHOPCHILDPROOF with padlocks, master switches, or by removing st arter keys.
22. USE RECOMMENDED ACCESSORIES. The use of accessories and attachments not recommended by
Porter-Cable may cause hazards or risk of injury to persons.
23. NEVER STAND ON TOOL. Serious injury could occur if the tool is tipped or if the cutting tool is accident ally
cont acted.
24. DIRECTION OF FEED. Feed work into a blade or cutter against the direction of rot ation of the blade or cutter
only.
25. NEVER LEAVE TO OL RUNNING UNATTENDED. TURN POWER OFF.Don t leave tool until it comes to a
complete stop.
26. A LW AYS HOLD THE WORK FIRMLY against the fence and table. D O N O T perform any operation freehand.
27. W ARNING: ALW AYS keep hands out of path of saw blade. If the workpiece you are cutting would cause your
hand to be inside the t able hazard area (see section TABLE HAZARD AREA ), the workpiece should be
clamped in place before making cut.
28. NEVER use blades larger or smaller in diameter than recommended. Recommended size of blade is 10" in
diameter.
29. NEVER use blades recommended for operation at less than 6000 RPM.
30. USE the blade guard at all times.
31. NEVER reach around or behind saw blade.
32. TURN OFF SAW and MAKE SURE blade has come to a complete stop before removing or securing
workpiece, changing workpiece angle or changing the angle of the blade.
33. USE PROPER EXTENSION CORD. Make sure your extension 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 volt age resulting in loss of power and overheating. The t able in EXTENSION CORD SELECTION
shows the correct size to use depending on cord length and nameplate ampere rating of the tool. If in doubt, use
the next heavier gage. The smaller the gage number, the heavier the cord.
SAVE THESE INSTRUCTIONS
ADDITIONAL SAFETY RULES FOR COMPOUND SLIDE MITER SAW S
1. W ARNING: USE ONLY CROSS-CUTTING SAW BLADES. WHEN USING CARBIDE TIPPED BLADES BE
SURE THE HOOK ANGLE IS 5 DEGREES OR LESS. DO NOT USE BLADES WITH DEEP GULLETS A S
THEY CAN DEFLECT AND CONTACT GUARD.
2. W ARNING: Do not operate the miter saw until it is completely assembled and inst alled according to the instructions.
3.IF YOU ARE NOT thoroughly familiar with the operation of compound slide miter saws, obtain advice from
your supervisor, instructor or other qualified person.
4. BE SURE blade is sharp, runs freely and is free of vibration.
5. ALLOW the motor to come up to full speed before st arting cut.
6. KEEP motor air slot s clean and free of chip s.
7. ALW AYS MAKE SURE rotating t able is tight before cutting, even if the t able is positioned in one of the
positive stop s.
8. BE SURE blade and flanges are clean and that arbor screw is tightened securely.
9. USE ONLY blade flanges specified for your saw.
10. NEVER apply lubricant s to the blade when it is running.
11. ALW AYS CHECK the blade for cracks or damage before operation. Replace cracked or damaged blade
immediately.
12. ALW AYS KEEP the lower blade guard in place and operating properly.
13. MAKE SURE blade is not cont acting workpiece before switch is turned on.
14. NEVER LOCK the switch in the O N position.
15. IMPORTANT: Af ter completing cut, release power switch and wait for coasting blade to stop before returning
saw to raised position.
16. DO NOT remove jammed or cut-of f pieces until blade has stopped.
17. NEVER cut ferrous metals or masonry.
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18. NEVER recut small pieces.
19. PROVIDE ADEQUATE SUPPORT to the sides of the saw t able for long workpieces.
20. NEVER use the miter saw in an area with flammable liquids or gases.
21. NEVER USE SOLVENTS TO CLEAN PLASTIC PARTS. Solvents could possibly dissolve or otherwise
damage the material. Only a sof t, damp cloth should be used to clean plastic p arts.
22. DISCONNECT SAW from power source and clean the machine before leaving it.
23. MAKE SURE the work area is cleaned before leaving the machine.
24. ADDITIONAL INFORMATION regarding the safe and proper operation of this product is available from the
National Safety Council, 1121 Spring Lake Drive, It asca, IL 60143-3201, in the Accident Prevention Manual for
Industrial Operation and also in the Safety Dat a Sheet s provided by the NSC. Please also refer to the American
National Standard Institute ANSI 01.1 Safety Requirements for the W oodworking Machinery and the U.S.
De partment of Labor OSHA 1910.213 Regulations.
25. SOME WOOD CONTAINS PRESERVATIVES WHICH CAN BE TOXIC. Take extra care to prevent inhalation
and skin cont act when working with these materials. Request, and follow, any safety information available from
your material supplier.
26. DON T ABUSE CORD. Never carry tool by cord or yank it to disconnect from recept acle. Keep cord from
heat, oil, and sharp edges. Have damaged or worn power cord and strain reliever replaced immediately. DO NO T
ATTEMPT TO REPAIR POWER CORD.
27. WEAR EAR PROTECTION to safeguard against possible hearing loss.
28. A VOID CUTTING NAILS AND KNOTS. Inspect for and remove all nails from lumber before cutting. T ry to do
layout cut s between knot s.
29. NEVER USE LIQUID COOLANT.To do so could present electrical shock hazard.
30. KEEP CLEAR OF SAWDUST EJECTION CHUTE. Sawdust and chip s are expelled out the ejection chute at
rear of saw. Do not allow anyone in this area while saw is in operation.
31. W ARNING:Slide cutting by PULLING the saw towards the operator can be dangerous, causing the saw to
kick upwards and towards the operator. Always PUSH the saw forward, away from the operator, and towards the
fence when slide cutting.
32. WHEN USING THE SAW AS A MITER AND MAKING CHOPCUTS, MAKE SURE the saw sliding mechanism
is locked in place to prevent the saw from kicking towards the operator.
33. WHEN THE MITER SAW IS NOT IN USE, the switch should be locked in the OFF position to prevent
unauthorized use of the saw.
REPLACEMENT PARTS
When servicing use only identical replacement p arts.
MOTOR
Many Porter-Cable tools will operate on either D.C., or single phase 25 to 60 cycle A.C. current and volt age
within plus or minus 5 percent of that shown on the specification plate of the tool. Several models, however, are
designed for A.C. current only . Refer to the specification plate on your tool for proper volt age and current rating.
CAUTION: Do not operate your tool on a current on which the volt age is not within correct limit s. Do not
operate tools rated A.C. only on D.C. current. To do so may seriously damage the tool.
EXTENSION CORD SELECTION
If an extension cord is used, make
sure the conductor size is large
enough to prevent excessive volt a g e
drop which will cause loss of power
and possible motor damage. A table of
recommended extension cord sizes
will be found in this section. This t able
is based on limiting line volt age drop to
5 volt s (10 volt s for 230 volt s) a t 150%
of rated amperes.
If an extension cord is to be used
out doors it must be marked with the
suf fix W -A following the cord type
designation. For example SJTW-A to
indicate it is accept able for out door
use.
RECOMMENDED EXTENSION CORD SIZES FOR USE WITH PORTABLE ELECTRIC TOOLS
115V 25 Ft. 50 Ft. 100 Ft. 150 Ft. 200 Ft. 250 Ft. 300 Ft. 400 Ft. 500 Ft.
230V 50 Ft. 100 Ft. 200 Ft. 300 Ft. 400 Ft. 500 Ft. 600 Ft. 800 Ft. 1000 Ft.
0-2 18 18 18 16 16 14 14 12 12
2-3 18 18 16 14 14 12 12 10 10
3-4 18 18 16 14 12 12 10 10 8
4-5 18 18 14 12 12 10 10 8 8
5-6 18 16 14 12 10 10 8 8 6
6-8 18 16 12 10 10 8 6 6 6
8-10 18 14 12 10 8 8 6 6 4
10-12 16 14 10 8 8 6 6 4 4
12-14 16 12 10 8 6 6 6 4 2
14-16 16 12 10 8 6 6 4 4 2
Nameplate Ampere Rating
16-18 14 12 8 8 6 4 4 2 2
18-20 14 12 8 6 6 4 4 2 2
Length of Cord in Feet
OPERATING INSTRUCTIONS
FOREWORD
Porter-Cable Model 3807 is a high capacity 10" compound miter saw designed to cut wood and non-ferrous
me t als. It can crosscut 11
1
… 2" x 33… 16 " and 9" x 37… 8", miter at 45 both lef t and right 81… 8" x 33… 16 ", and 63… 8" x
3
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… 8", bevel at 45 lef t 111… 2" x 23… 16 " and 81… 2" x 25… 8", compound 45 lef t miter and 45 bevel 81… 8" x 23… 16 " and
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… 2" x 25… 8" and compound 45 right miter and bevel 81… 8" x 17… 8" and 31… 2" x 25… 8".
POWER CONNECTIONS
A sep arate electrical circuit should be used for your tools. If an extension cord is used, make sure the conductor
size is large enough to prevent excessive volt age drop which will cause loss of power and possible motor
damage. For distances up to 100 feet use #12 wire. For dist ances up to 150 feet use #10 wire. If an extension
cord is to be used out doors it must be marked with the suffix W -A following the cord type designation. For
example SJTW-A to indicate it is accept able for out door use. Replace damaged or worn cord immediately.
Before connecting the motor to the power line, make sure the switch is in the OFF position and be sure that
the electric current is of the same characteristics as st amped on motor nameplate.
CAUTION: Keep the extension cord away from the cutting area and position the cord so that it will not
be a tripping hazard or cont act material being placed into or removed from the machine.
UNPACKING
1. Carefully remove the machine from the carton.
W e recommend you retain all p acking materials until
af ter you have inspected and satisfactorily operated
the machine.
W ARNING: Do not connect the machine to the
power source until you have read and
understood this entire instruction manual.
2. Place the machine on a firm, level surface where
there is plenty of room for handling and properly
supporting the workpiece.
3. Familiarize yourself with all features and controls
as explained in this manual.
4. The machine is shipped with the cuttinghead
locked in the down position and the t able rot ated to
the 45 degree right miter position, Fig. 2. To release
the head and move it to the operating position see MOVING CUTTINGHEAD TO THE UP POSITION and
MOVING THE TABLE TO THE 90 DEGREE CUT-OFF POSITION in this section.
5. Unassembled items are shown in Fig. 3 for identification and use in assembling the saw .
1 Dust Elbow
2 W ork Clamp
3 Dust Bag
4 Open End Wrench
5
Fig. 2
Fig. 3
1
2
3
4
6
MOVING CUTTINGHEAD
TO THE REAR POSITION
1. MAKE CERTAIN THE MACHINE IS DISCONNECTED FROM THE POWER SOURCE.
2. Carefully remove cable tie (A) Fig. 4, which is
holding the cuttinghead in the down position.
3. To move the cuttinghead (D) Fig. 5, to the rear
position, loosen lock knob (E) and push cuttinghead (D)
to the rear position. Then tighten lock knob (E) Fig. 6.
4. Fig. 6, illustrates the cuttinghead locked in the rear
position.
RAISING THE CUTTINGHEAD
1. While holding the cuttinghead (A) Fig. 7, down, pull
out and rot ate cuttinghead lock knob (B) 90 degrees
until pin (C) Fig. 8, is in the horizont al position as shown.
The cuttinghead can then be raised.
2. Fig. 9 illustrates the cuttinghead (A) in the raised
position.
3. W ARNING: Cutterhead lock knob (B) Fig. 7, is
designed to lock the cutterhead in the down position for
only storage or carrying. Never operate saw with the
cutterhead in the lock down position.
Fig. 5
D
Fig. 4
A
Fig. 6
Fig. 7
B
Fig. 8
C
Fig. 9
A
E
E
B
A
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