Central Machinery 93012 Manual de usuario

16 INCH VARIABLE SPEED

SCROLL SAW

93012

ASSEMBLY AND OPERATING INSTRUCTIONS

Visit our website at: http://www.harborfreight.com

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight

Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual

product may differ slightly from the product described herein. Tools required for assembly and service may not

be included.

For technical questions or replacement parts, please call 1-800-444-3353.

Revised Manual 09i

Page 2

SKU 93012 For technical questions, please call 1-800-444-3353

REV 05e, 05i

SPECIFICATIONS

Motor 120 V~, 1 phase, 60 Hz, 0.4 A (startup)

Switch Toggle, On/Off, with removable locking key

Table Tilt 0 to 45 degrees (left)

Cutting Depth 2 inches (maximum)

Blade Type 5” L Pin End blade; Can use plain end blade with provided adapters.

15 TPI blade mounted on machine

Throat Depth 16 inches

Blade Stroke 1 inch

Cutting Speed 400 (min.) to 1600 Strokes per Minute; Variable

Base Mounting Holes 4 - 5/16 inch (dia.) holes

Accessories 2 - Hex Wrenches (2.5 and 4 mm); 2 - Plain end Blade Adapters;

1 - Spare 18 TPI Saw Blade

Features Drop foot adjustment, Integrated bellows air pump,

1-1/2” OD Vacuum port

Save This Manual

You will need the manual for the safety warnings and precautions, assembly instruc-

tions, operating and maintenance procedures, parts list and diagram. Keep your invoice

with this manual. Write the invoice number on the inside of the front cover. Keep the

manual and invoice in a safe and dry place for future reference.

GENERAL SAFETY RULES

WARNING!

READ AND UNDERSTAND ALL INSTRUCTIONS. Failure to follow all

instructions listed below may result in electric shock, re, and/or serious

injury.

SAVE THESE INSTRUCTIONS

Work Area

Keep your work area clean and well lit.1. Cluttered benches and dark areas invite

accidents.

Do not operate power tools in explosive atmospheres, such as in the presence2.

of ammable liquids, gases, or dust. Power tools create sparks which may ignite

the dust or fumes.

Keep bystanders, children, and visitors away while operating a power tool.3.

Distractions can cause you to lose control. Protect others in the work area from de-

bris such as chips and sparks. Provide barriers or shields as needed.

187941

Page 3

SKU 93012 For technical questions, please call 1-800-444-3353

Electrical Safety

Avoid body contact with grounded surfaces such as pipes, radiators, ranges,1.

and refrigerators. There is an increased risk of electric shock if your body is

grounded.

Do not expose power tools to rain or wet conditions.2. Water entering a power

tool will increase the risk of electric shock.

Grounded tools must be plugged into an outlet properly installed and ground-3.

ed in accordance with all codes and ordinances. Never remove the grounding

prong or modify the plug in any way. Do not use any adapter plugs. Check

with a qualied electrician if you are in doubt as to whether the outlet is prop-

erly grounded. If the tools should electrically malfunction or break down, grounding

provides a low resistance path to carry electricity away from the user.

Double insulated tools are equipped with a polarized plug (one blade is wider4.

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 a polarized outlet. Do not change the plug in any

way. Double insulation eliminates the need for the three wire grounded power

cord and grounded power supply system.

Do not abuse the Power Cord.5. Never use the Power Cord to carry the tools or

pull the Plug from an outlet. Keep the Power Cord away from heat, oil, sharp

edges, or moving parts. Replace damaged Power Cords immediately. Dam-

aged Power Cords increase the risk of electric shock.

When operating a power tool outside, use an outdoor extension cord marked6.

“W-A” or “W”. These extension cords are rated for outdoor use, and reduce the

risk of electric shock.

Personal Safety

Stay alert. Watch what you are doing, and use common sense when operat-1.

ing a power tool. Do not use a power tool while tired or under the inuence

of drugs, alcohol, or medication. A moment of inattention while operating power

tools may result in serious personal injury.

Dress properly. Do not wear loose clothing or jewelry. Contain long hair.2.

Keep your hair, clothing, and gloves away from moving parts. Loose clothes,

jewelry, or long hair can be caught in moving parts.

Avoid accidental starting.3. Be sure the Power Switch is off before plugging in.

Plugging in power tools with the Power Switch on, invites accidents.

Remove adjusting keys or wrenches before turning the power tool on.4. A

wrench or a key that is left attached to a rotating part of the power tool may result in

personal injury.

Page 4

SKU 93012 For technical questions, please call 1-800-444-3353

Do not overreach. Keep proper footing and balance at all times.5. Proper footing

and balance enables better control of the power tool in unexpected situations.

Tool Use and Care

Use clamps (not included) or other practical ways to secure and support the1.

workpiece to a stable platform. Holding the work by hand or against your body is

unstable and may lead to loss of control.

Do not force the tool. Use the correct tool for your application.2. The correct tool

will do the job better and safer at the rate for which it is designed.

Do not use the power tool if the Power Switch does not turn it on or off.3. Any

tool that cannot be controlled with the Power Switch is dangerous and must be re-

placed.

Disconnect the Power Cord Plug from the power source before making any4.

adjustments, changing accessories, or storing the tool. Such preventive safety

measures reduce the risk of starting the tool accidentally.

Store idle tools out of reach of children and other untrained persons.5. Tools are

dangerous in the hands of untrained users.

Maintain tools with care. Keep cutting tools sharp and clean.6. Properly main-

tained tools with a sharp cutting edge are less likely to bind and are easier to control.

Do not use a damaged tool. Tag damaged tools “Do not use” until repaired.

Check for misalignment or binding of moving parts, breakage of parts, and any7.

other condition that may affect the tool’s operation. If damaged, have the tool

serviced before using. Many accidents are caused by poorly maintained tools.

Use only accessories that are recommended by the manufacturer for your8.

model. Accessories that may be suitable for one tool may become hazardous when

used on another tool.

Service

Tool service must be performed only by qualied repair personnel. 1. Service or

maintenance performed by unqualied personnel could result in a risk of injury.

When servicing a tool, use only identical replacement parts. Follow instruc-2.

tions in the “Inspection, Maintenance, And Cleaning” section of this manual.

Use of unauthorized parts or failure to follow maintenance instructions may create a

risk of electric shock or injury.

SPECIFIC SAFETY RULES FOR THIS PRODUCT

Maintain labels and nameplates on the Scroll Saw.1. These carry important infor-

mation. If unreadable or missing, contact Harbor Freight Tools for a replacement.

Page 5

SKU 93012 For technical questions, please call 1-800-444-3353

Always wear ANSI approved safety impact eye goggles, dust mask and heavy2.

work gloves when using the Scroll Saw. Using personal safety devices reduce the

risk for injury. Safety impact eye goggles and heavy work gloves are available from

Harbor Freight Tools.

Maintain a safe working environment.3. Keep the work area well lit. Make sure

there is adequate surrounding workspace. Always keep the work area free of ob-

structions, grease, oil, trash, and other debris. Do not use a power tool in areas

near ammable chemicals, dusts, and vapors. Do not use this product in a damp or

wet location.

Avoid unintentional starting.4. Make sure you are prepared to begin work before

turning on the Scroll Saw.

Do not force the Scroll Saw.5. This tool will do the work better and safer at the speed

and capacity for which it was designed.

Always unplug the Scroll Saw from its electrical outlet before performing any6.

inspection, maintenance, or cleaning procedures.

Never leave the Scroll Saw unattended while running7. . Turn power off if you have

to leave the Scroll Saw.

Before each use, check all nuts, bolts, and screws for tightness8. . Vibration dur-

ing use may cause these to loosen.

Keep extension cord off the ground and away from water9. .

Always connect the Line Cord to a Ground Fault Circuit Interrupter (GFCI) pro-10.

tected electrical outlet.

Install this product on a proper surface11. . Locate on a at, level, and solid surface

that is capable of supporting the weight of the Scroll Saw.

Do not try to cut material too small to be securely held by hand12. . Cuts to hands

can occur.

Avoid awkward hand positions where a sudden slip could cause hand contact13.

with the blade.

When cutting a long piece of material, make sure it is supported off the table at14.

the same table height.

Hold the workpiece rmly against the table.15.

Do not feed material too fast while cutting.16.

Use caution when cutting off round material such as dowel rods or tubing17. .

They have a tendency to roll while being cut causing the Blade to “bite.”

If the blade binds in the workpiece when backing out of the cut, immediately18.

turn the saw power Off and carefully back material off Blade.

Page 6

SKU 93012 For technical questions, please call 1-800-444-3353

People with pacemakers should consult their physician(s) before use.19. Electro-

magnetic elds in close proximity to heart pacemaker could cause pacemaker inter-

ference or pacemaker failure.

WARNING!20. Some dust created by power sanding, sawing, grinding, drilling, and

other construction activities, contain 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

or other masonry products, 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 spe-

cially designed to lter out microscopic particles.

(California Health & Safety Code § 25249.5, et seq.)

GROUNDING

Improperly connecting the grounding wire can result in electric

shock.

Check with a qualied electrician if you are in doubt as to

whether the outlet is properly grounded. Do not modify the

power cord plug provided with the tool. Never remove the

grounding prong from the plug. Do not use the tool if the power

cord or plug is damaged. If damaged, have it repaired by a

service facility before use. If the plug will not t the outlet, have

a proper outlet installed by a qualied electrician.

Grounded Tools: Tools with Three Prong Plugs

Tools marked with “Grounding Required” have a three wire cord and three prong1.

grounding plug. The plug must be connected to a properly grounded outlet. If the

tool should electrically malfunction or break down, grounding provides a low resis-

tance path to carry electricity away from the user, reducing the risk of electric shock.

(See 3-Prong Plug and Outlet.)

2. The grounding prong in the plug is connected through the green wire inside the cord

to the grounding system in the tool. The green wire

in the cord must be the only wire connected to the

tool’s grounding system and must never be attached

to an electrically “live” terminal. (See 3-Prong Plug

and Outlet.)

The tool must be plugged into an appropriate out-3.

let, properly installed and grounded in accordance

with all codes and ordinances. The plug and outlet

should look like those in the following illustration.

(See 3-Prong Plug and Outlet.)

WARNING

3-Prong Plug and Outlet

Page 7

SKU 93012 For technical questions, please call 1-800-444-3353

Extension Cords

Grounded1. tools require a three wire extension cord. Double Insulated tools can

use either a two or three wire extension cord.

As the distance from the supply outlet increases, you must use a heavier gauge ex-2.

tension cord. Using extension cords with inadequately sized wire causes a serious

drop in voltage, resulting in loss of power and possible tool damage. (See Table A.)

The smaller the gauge number of the wire, the greater the capacity of the cord. For3.

example, a 14 gauge cord can carry a higher current than a 16 gauge cord. (See

Table A.)

When using more than one extension cord to make up the total length, make sure4.

each cord contains at least the minimum wire size required. (See Table A.)

If you are using one extension cord for more than one tool, add the nameplate5. am-

peres and use the sum to determine the required minimum cord size.

(See Table A.)

If you are using an extension cord outdoors, make sure it is marked with the sufx 6.

“W-A” (“W” in Canada) to indicate it is acceptable for outdoor use.

Make sure the extension cord is properly wired and in good electrical condition. Al-7.

ways replace a damaged extension cord or have it repaired by a qualied electrician

before using it.

Protect the extension cords from sharp objects, excessive heat, and damp or wet8.

areas.

RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS* (120/240 VOLT)

NAMEPLATE

AMPERES

(at full load)

EXTENSION CORD LENGTH

25 Feet 50 Feet 75 Feet 100 Feet 150 Feet

0 – 2.0 18 18 18 18 16

2.1 – 3.4 18 18 18 16 14

3.5 – 5.0 18 18 16 14 12

5.1 – 7.0 18 16 14 12 12

7.1 – 12.0 18 14 12 10 -

12.1 – 16.0 14 12 10 - -

16.1 – 20.0 12 10 - - -

TABLE A * Based on limiting the line voltage drop to ve volts at 150% of the rated amperes.

Page 8

SKU 93012 For technical questions, please call 1-800-444-3353

REV 02/07

Symbology

Double Insulated V~ Volts Alternating Current

Canadian Standards Association AAmperes

Underwriters Laboratories, Inc. n0xxxx/min. No Load Revolutions per Minute

(RPM)

UNPACKING

2 – Hex Wrenches (2.5 and 4 MM);

2 – Plain End Blade Adapters;

1 – Spare Saw Blade

Accessories

When unpacking, check to make sure that all the parts are included. Refer to the As-

sembly section, and the Assembly Drawing and Parts List at the end of this manual.

If any parts are missing or broken, please call Harbor Freight Tools at the number on

the cover of this manual as soon as possible.

Page 9

SKU 93012 For technical questions, please call 1-800-444-3353

ASSEMBLY INSTRUCTIONS

Mounting Scroll Saw to Workbench

1. Pick a solid, wood workbench to mount the saw. The workbench must be stable, and

able to support the weight of the Scroll Saw and the material being cut.

2. Find the four 5/16 inch mounting holes in the Base (9) and mark through the holes for

drilling with a 3/8 inch drill bit. Remove Scroll Saw to drill holes.

3. Replace Scroll Saw over holes and mount with the following hardware (not supplied):

4 - Hex Head Screws, 1/4 inch x 20 x length required; 4 - Flat Washers, 9/32 I.D.; 4-

Lock Washers, 9/32 I.D.; and 4-Hex Nuts, 1/4 x 20.

4. Check that all Scroll Saw screws and nuts are tight before using the machine.

Check and Align Bevel Indicator

1. Loosen Table Lock Knob (44) and move the table until it is approximately

perpendicular (right angle) to the blade. See photo below.

2. Use a small combination square to set the table at 90 degrees to the blade.

3. Tighten the Table Lock Knob (44).

4. Loosen Pan Screw (14) holding the bevel Scale Indicator (13), and adjust Indicator to

point to “0” degrees. Retighten Pan Screw.

Note: The bevel Scale Indicator (13) is a guide and should not be relied upon for precision

settings. Make practice cuts in scrap wood to determine if the angle settings are cor-

rect.

OPERATING INSTRUCTIONS

Controls and Indicators

Workpiece Foot Lock

Knob (68)

Bevel Scale (15)

On / Off Switch (72) with

Locking Key

Variable Speed Knob (81)

Saw Table (53)

Blade Tension Knob (21)

Workpiece Foot (48)

Table Lock Knob (44)

Scale Indicator (13)

Vacuum Hose Connection

REV 05/05

Page 10

SKU 93012 For technical questions, please call 1-800-444-3353

Turning On and Adjusting Speed

The On/Off locking Switch (72) needs to have the Switch key inserted before the switch can

be used. This feature prevents unauthorized use of the saw.

1. Insert plastic Switch Key into On/Off Switch (72).

2. To turn saw On, place nger on left side of switch and push right.

3. To turn saw Off, place nger on right side of switch and push left.

4. Turn the Variable Speed Knob (81) clockwise to increase the stokes per minute.

5. To lock switch in Off position, pull out the Switch key and store in a safe place.

WARNING: Keep hands and ngers away from the moving Saw Blade.

Table Angle Adjustment

The Saw Table (53) can be adjusted between 0 and 45 degrees as follows:

1. Loosen Table Lock Knob (44) and move the table until the desired angle is reached as

indicated on the Bevel Scale (15). Refer to the photo at the bottom of page 9.

2. Tighten the Table Lock Knob (44).

Straight, Cross, Bevel Cuts, and Ripping

1. Using a pencil, mark the cut-line on the workpiece.

2. Slide the workpiece underneath the Workpiece Foot (48).

If necessary, adjust the Workpiece Foot by loosening the Workpiece Foot Lock Knob

(68) and sliding the Workpiece Foot (up or down) until it lightly rests on the workpiece.

Tighten the Workpiece Foot Lock Knob (68).

3. Set the On/Off Switch (72) to the On position. The Saw Blade starts moving.

4. Using both hands, carefully guide the workpiece into the blade to cut.

Press down on the workpiece and slowly guide it through the Saw Blade (45). Do not

force the material through the Blade or the Blade could break.

Inside Cuts

1. Using a pencil, mark the cut-line on the workpiece.

2. Drill a 1/4 inch hole in the workpiece.

3. Follow the procedures for removing and installing the Saw Blade (45) as described on

page 13.

4. Place the workpiece on the Saw Table (53) so that the hole is centered over the Blade

access hole.

5. Insert the Blade through the hole in the workpiece and the Saw Table (53).

6. Reinstall the Blade and properly adjust tension. Refer to page 13.

Make sure Blade teeth are facing forward and down.

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