Harbor Freight Tools Cordless Saw 93830 User Manual

18V RECIPROCATING SAW  
93830  
ASSEMBLY AND OPERATING INSTRUCTIONS  
Due to continuing improvements, actual product may differ slightly from the product described herein.  
®
3491 Mission Oaks Blvd., Camarillo, CA 93011  
TO PREVENT SERIOUS INJURY,  
READ AND UNDERSTAND ALL WARNINGS  
AND INSTRUCTIONS BEFORE USE.  
©
®
Copyright 2005 by Harbor FreightTools . All rights reserved. No portion of this manual or  
any artwork contained herein may be reproduced in any shape or form without the express  
written consent of Harbor FreightTools.  
For technical questions and replacement parts, please call 1-800-444-3353.  
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PRODUCT SPECIFICATIONS  
Item  
Description  
Input: 120 VAC / 60 Hz  
Output: 24 VDC, 400 mA  
AC Charger Adapter  
Charge Time: 3 to 5 Hours; 8 Hour Initial Charge  
Reciprocating Saw  
Accessories  
7/8" Stroke; 0-2300 SPM; Safety Trigger  
1 Rechargeable 18 VDC Battey; Battery Charger/ Adapter  
SaveThis Manual  
You will need this manual for the safety warnings and precautions, assembly,  
operating, inspection, maintenance and cleaning procedures, parts list and assembly  
diagram. Keep your invoice with this manual. Write the invoice number on the inside  
of the front cover. Keep this 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, fire, and/or serious injury.  
SAVE THESE INSTRUCTIONS  
Work Area  
1.  
2.  
Keep your work area clean and well lit. Cluttered benches and dark areas invite  
accidents.  
Do not operate power tools in explosive atmospheres, such as in the presence  
of flammable liquids, gases, or dust. Power tools create sparks which may ignite  
the dust or fumes.  
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3.  
4.  
5.  
6.  
Keep bystanders, children, and visitors away while operating a power tool.  
Distractions can cause you to lose control. Protect others in the work area from  
debris such as chips and sparks. Provide barriers or shields as needed. Do not  
allow children to handle or play with these products.  
Electrical Safety  
Grounded tools must be plugged into an outlet properly installed and grounded  
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 qualified electrician if you are in doubt as to whether the outlet is properly  
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 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, contact a  
qualified 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.  
Avoid body contact with grounded surfaces such as pipes, radiators, ranges,  
and refrigerators. There is an increased risk of electric shock if your body is  
grounded.  
7.  
8.  
Do not expose power tools to rain or wet conditions. Water entering a power  
tool will increase the risk of electric shock.  
Do not abuse the Power Cord. 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. Damaged  
Power Cords increase the risk of electric shock.  
9.  
When operating a power tool outside, use an outdoor extension cord marked  
“W-AorW”. These extension cords are rated for outdoor use, and reduce the risk  
of electric shock.  
Personal Safety  
10.  
11.  
Stay alert. Watch what you are doing, and use common sense when operating  
a power tool. Do not use a power 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.  
Dress properly. Do not wear loose clothing 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.  
SKU 93830  
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12.  
13.  
Avoid accidental starting. Be sure the Power Switch is off before plugging in.  
Carrying power tools with your finger on the Power Switch, or plugging in power  
tools with the Power Switch on, invites accidents.  
Remove adjusting keys or wrenches before turning the power tool on. A wrench  
or a key that is left attached to a rotating part of the power tool may result in personal  
injury.  
14.  
15.  
Do not overreach. Keep proper footing and balance at all times. Proper footing  
and balance enables better control of the power tool in unexpected situations.  
Use safety equipment. Always wear eye protection. Dust mask, nonskid safety  
shoes, hard hat, or hearing protection must be used for appropriate conditions.  
Always wear ANSI approved safety goggles and a dust mask/respirator when using  
or performing maintenance on this tool.  
Tool Use and Care  
16.  
17.  
Use clamps (not included) or other practical ways 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.  
Do not force the 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. Do not force the  
tool and do not use the tool for a purpose for which it is not intended. Do not modify  
this product.  
18.  
19.  
Do not use the power tool if the Power Switch does not turn it on or off. Any  
tool that cannot be controlled with the Power Switch is dangerous and must be  
replaced.  
Disconnect the Power Cord 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. Always unplug the tool  
from its electrical outlet before performing any inspection, maintenance, or  
cleaning procedures.  
20.  
21.  
Store idle tools out of reach of children and other untrained persons. Tools are  
dangerous in the hands of untrained users.  
Maintain tools with care. Keep cutting tools sharp and clean. Properly  
maintained 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.  
22.  
Check for misalignment or binding of moving parts, breakage of parts, and  
any 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.  
SKU 93830  
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23.  
Use only accessories that are recommended by the manufacturer for your  
model. Accessories that may be suitable for one tool may become hazardous when  
used on another tool.  
Service  
24.  
25.  
Tool service must be performed only by qualified repair personnel. Service or  
maintenance performed by unqualified personnel could result in a risk of injury.  
When servicing a tool, use only identical replacement parts. Follow instructions  
in the “Inspection, Maintenance, And Cleaningsection of this manual. Use of  
unauthorized parts or failure to follow maintenance instructions may create a risk of  
electric shock or injury.  
Grounding  
WARNING!  
Improperly connecting the grounding wire can result in the risk of electric  
shock. Check with a qualified 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 fit the outlet, have a proper outlet  
installed by a qualified electrician.  
GroundedTools:ToolsWithThree Prong Plugs  
1.  
2.  
Tools marked with “Grounding Required” have a three wire cord and three prong  
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  
resistance path to carry electricity away from the user, reducing the risk of electric  
shock. (See Figure A.)  
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 Figure A.)  
SKU 93830  
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3.  
Your tool must be plugged into an appropriate outlet, properly installed and grounded  
in accordance with all codes and ordinances. The plug and outlet should look like  
those in the following illustration. (See Figure A.)  
FIGURE A  
Double InsulatedTools:ToolsWithTwo Prong Plugs  
4.  
5.  
Tools marked “Double Insulated” do not require grounding. They have a special  
double insulation system which satisfies OSHA requirements and complies with  
the applicable standards of Underwriters Laboratories, Inc., the Canadian Standard  
Association, and the National Electrical Code. (See Figure B.)  
Double insulated tools may be used in either of the 120 volt outlets shown in the  
following illustration. (See Figure B.)  
FIGURE B  
Extension Cords  
1.  
2.  
Grounded 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  
extension cord. Using extension cords with inadequately sized wire causes a serious  
drop in voltage, resulting in loss of power and possible tool damage.  
(See Figure C, next page.)  
3.  
The smaller the gauge number of the wire, the greater the capacity of the cord. For  
example, a 14 gauge cord can carry a higher current than a 16 gauge cord.  
(See Figure C.)  
SKU 93830  
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4.  
5.  
When using more than one extension cord to make up the total length, make sure  
each cord contains at least the minimum wire size required. (See Figure C.)  
If you are using one extension cord for more than one tool, add the nameplate  
amperes and use the sum to determine the required minimum cord size.  
(See Figure C.)  
6.  
7.  
If you are using an extension cord outdoors, make sure it is marked with the suffix  
“W-A” (“W” in Canada) to indicate it is acceptable for outdoor use.  
Make sure your extension cord is properly wired and in good electrical condition.  
Always replace a damaged extension cord or have it repaired by a qualified  
electrician before using it.  
8.  
Protect your extension cords from sharp objects, excessive heat, and damp or wet  
areas.  
RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS*  
NAMEPLATE  
AMPERES  
(At Full Load)  
EXTENSION CORD LENGTH  
25 Feet  
18  
50 Feet  
75 Feet  
100 Feet  
150 Feet  
0 - 2.0  
2.1 - 3.4  
18  
18  
18  
16  
14  
12  
10  
18  
18  
16  
14  
12  
10  
-
18  
16  
14  
12  
10  
-
16  
14  
12  
12  
-
18  
3.5 - 5.0  
18  
5.1 - 7.0  
18  
7.1 - 12.0  
12.1 - 16.0  
16.1 - 20.0  
18  
14  
-
12  
-
-
* Based on limiting the line voltage drop to five  
volts at 150% of the rated amperes.  
FIGURE C  
Symbology  
SKU 93830  
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Specific Safety Rules  
1.  
Maintain a safe working environment. Make sure there is adequate surrounding  
workspace. Always keep the work area free of obstructions, grease, oil, trash, and  
other debris.  
2.  
3.  
4.  
Maintain labels and nameplates on this item. These carry important information.  
If unreadable or missing, contact Harbor Freight Tools for a replacement.  
When using a handheld power tool, always maintain a firm grip on the tool  
with both hands.  
To avoid electrical shock, do not pull or carry the AC Charger Adapter (53) by  
its Power Cord or pull the Power Cord around sharp corners or edges. Do not  
unplug the AC Charger Adapter by pulling on the Power Cord. Keep the Power  
Cord away from heated surfaces.  
5.  
6.  
Never leave the AC Charger Adapter (53) unattended when it is plugged in.  
Make sure to unplug the AC Charger Adapter from its outlet before leaving.  
Proper Battery Care: Battery (47) leakage may occur under extreme usage or  
temperature conditions. If Battery fluid comes in contact with skin, wash with soap  
and water and rinse with lemon juice and vinegar. If the fluid comes in contact with  
eyes, flush with water for several minutes and contact a doctor immediately. Never  
burn the Battery, as it can explode in a fire. Do not attempt to charge a leaking  
Battery. Contact local solid waste authorities for instructions on correct disposal or  
recycling of the Battery.  
7.  
Store idle equipment. When not in use, tools and equipment should be stored in a  
dry location to inhibit rust. Always lock up tools and equipment, and keep out of  
reach of children.  
8.  
9.  
Industrial applications must follow OSHA requirements.  
WARNING! 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 specially  
designed to filter out microscopic particles. (California Health & Safety Code §  
25249.5, et seq.)  
10.  
11.  
WARNING! People with pacemakers should consult their physician(s) before  
using this product. Electromagnetic fields in close proximity to a heart pacemaker  
could cause interference to or failure of the pacemaker.  
WARNING! The warnings, precautions, and instructions discussed in this manual  
cannot cover all possible conditions and situations that may occur. The operator  
must understand that common sense and caution are factors which cannot be built  
into this product, but must be supplied by the operator.  
SKU 93830  
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CHARGINGTHE BATTERY  
Note: Always switch to a fresh battery when tool performance begins to diminish.  
Severe heat is most destructive to a battery; the more heat generated, the faster the  
battery loses power. A battery that gets too hot can be permanently damaged. Never  
over-discharge a battery by using the tool even after tool performance is decreasing.  
Never attempt to discharge a tool’s battery by continuing to pull the tool trigger.When  
tool performance begins to diminish, stop the tool, recharge the battery and  
use the fresh battery for optimal performance.  
1.  
When a Battery (47) requires recharging, a 3 to 5 hour* charge allows the tool to  
operate at full power. Do not recharge the Battery longer than 5 hours*, as damage  
to the Battery and/or tool will occur.  
2.  
To charge the Battery (47), plug the AC Charger Adapter’s (53) plug into the Charger  
(52). Insert the Charger (52) onto the top of the Battery (47) until it locks into place.  
Charging room temperature: 50° F - 104° F. Then, plug the AC Charger Adapter  
into the nearest 120 Volt, grounded, electrical outlet. (See illustration below.)  
3.  
Two Charging Indicator LEDs on the Charger (52) will illuminate to show that charging  
is taking place. NOTE: The AC Charger Adapter (53) will not automatically turn off  
when the Battery is fully charged, and the Charging Indicator LEDs will remain on  
until the AC Charger Adapter is disconnected from the electrical outlet. Recharging  
the Battery more than 5 hours* can cause damage to the battery cells.  
4.  
5.  
While charging, the Battery (47), AC Charger Adapter (53), and/or Charger (52)  
may become warm to the touch. This is normal, and does not indicate a problem.  
Once the Battery (47) is fully charged, disconnect the AC Charger Adapter (53) from  
the electrical outlet. Then, disconnect the Charger from the Battery.  
* The Battery (47) require an initial charge time of 8 hours. Do not recharge the Battery more than 5  
hours after this initial charging.  
SKU 93830  
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OPERATION  
Note: For additional information regarding the parts listed in the following pages, refer to  
the Assembly Diagrams at the end of the manual.  
Reciprocating Saw  
WARNING: Always make sure the Battery (47) of the Reciprocating Saw is removed prior  
to making any adjustments to the tool.  
1.  
Slide the Battery (47) into the base of the Reciprocating saw.  
Note: Do not start the Reciprocating Saw if the Saw Blade (23) is in contact with anything  
before operation. If necessary, lift the Reciprocating Saw to free the Saw Blade  
before squeezing the Trigger.  
2.  
3.  
4.  
NEVER cut into areas where you cannot identify any possible hazards behind or  
inside the surface being cut.  
Hold the Reciprocating Saw firmly with both hands, then slide the Safety (37) to one  
side and squeeze the Trigger (41) to start the Saw.  
With the Reciprocating Saw “ON”, place the Saw Blade (23) against the material to  
be cut. Press down slightly on the Reciprocating Saw to help it cut, but allow the  
saw to do the work.  
5.  
6.  
Once the cutting procedure is completed, release pressure on the Trigger (41) to  
stop the Reciprocating Saw. Then, remove the Battery (47).  
Saw Blade Installation/Replacement:  
A. Remove the Battery (47) from the tool.  
B. With a Hex Wrench (not provided), loosen the front Cap Screw (29).  
(See illustration above.)  
C. Slide the Saw Blade (23) teeth-down into the Blade Holder (28) as far as possible.  
D. Then, firmly retighten the Cap Screw (29) to secure the Saw Blade (23) in place.  
E. Gently pull on the Blade (23) with a gloved hand to ensure it is held properly.  
SKU 93830  
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INSPECTION, MAINTENANCE, AND CLEANING  
1.  
2.  
WARNING! Always remove the Battery Pack (47) from a tool and unplug  
the AC Charger Adapter (53) from its electrical outlet before performing any  
inspection, maintenance, or cleaning on the tool.  
BEFORE EACH USE, inspect the general condition of the tool. Check for  
misalignment or binding of moving parts, cracked or broken parts, damaged wiring,  
and any other condition that may affect its safe operation. If abnormal noise or  
vibration occurs with a tool, have the problem corrected before further use. Do not  
use damaged equipment.  
3.  
4.  
TO CLEAN, use a clean, slightly damp cloth to clean the outer surfaces of the tool.  
A mild detergent may be used. Do not use solvents. Do not immerse the tool,  
Battery, or AC Charger Adapter in water.  
WHEN STORING, always keep this tool and accessories in a clean, dry location  
out of reach of children. Keep charger unplugged from the wall outlet when not in  
use.  
PLEASE READ THE FOLLOWING CAREFULLY  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDEDTHE PARTS DIAGRAM INTHIS MANUAL  
AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY  
REPRESENTATION ORWARRANTY OF ANY KINDTOTHE BUYERTHAT HE OR SHE IS QUALIFIEDTO  
MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY  
PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY  
STATESTHAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED  
AND LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND  
LIABILITY ARISING OUT OF HIS OR HER REPAIRSTOTHE ORIGINAL PRODUCT OR REPLACEMENT  
PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS  
THERETO.  
SKU 93830  
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PARTS LISTS AND DIAGRAMS  
Parts List/Diagram - Reciprocating Saw  
Part  
1
Description  
Q'ty Part  
19 Motor Gear  
20 Bolt M4x10  
Description  
Q'ty Part  
37 Safety  
38 Ferrite Bead  
Description  
Q'ty  
1
Bolt M4x12  
13  
1
1
1
1
1
1
4
4
3
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
2
Right Housing Cover  
Right Housing  
Clip  
2
3
21 Gearbox Housing  
22 Motor  
39 Red Wire  
1
4
40 Black Wire  
41 Trigger  
1
5
Bearing  
23 Blade  
1
6
Washer  
24 Foot  
42 Radiator  
1
7
Clip  
25 Foot Pivot  
26 Clip  
43 Red Wire  
1
8
Spring Washer  
Bolt M4x12  
44 Black Wire  
45 Connector  
46 Terminal  
1
9
27 Foot Bracket  
28 Blade Holder  
29 Cap Screw M4x8  
30 Shaft  
1
10 Planet Gear  
11 Sway Bearing  
12 Drive Pin  
13 Clip  
1
47 Battery  
1
48 Left Housing  
49 Left Housing Cover  
50 Grommet  
1
31 Pin  
1
14 Gear Axis  
15 Bearing  
32 Bearing Cover  
33 Pad  
2
51 Machine Screw M3x6  
52 Charger  
1
16 Gearbox Cover  
17 Gear Ring  
18 Back Plate  
34 Oilless Bearing  
35 Oilless Bearing  
36 Spring  
1
53 AC Charger Adapter  
1
Trigger Switch is an assembly:  
41, 42, 43, 44, 45, 46, 50, 51  
Part 52 - Charger - not shown.  
Part 53 - AC Charger Adapter - not shown.  
SKU 93830  
For technical questions, please call 1-800-444-3353.  
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