Harbor Freight Tools Saw 41453 User Manual

6” CUTOFF SAW  
Model 41453  
ASSEMBLY AND  
OPERATING INFORMATION  
®
3491 Mission Oaks Blvd., Camarillo, CA 93011  
©
®
Copyright 1999 by Harbor Freight Tools . 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 Freight Tools.  
For technical questions please call 1-800-444-3353.  
MANUAL REVISED 01/02  
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6.  
DRESS SAFELY. Nonskid footwear or safety shoes should be used when work-  
ing with this product. Do not wear loose clothing or jewelry as they can become  
caught in moving parts. Wear a protective hair covering to prevent long hair from  
becoming caught in moving parts. If wearing a long-sleeve shirt, roll sleeves up  
above elbows.  
7.  
8.  
INDUSTRIAL APPLICATIONS MUST FOLLOW OSHA REQUIREMENTS.  
DO NOT OVERREACH. Keep proper footing and balance at all times to prevent  
tripping, falling, back injury, etcetera.  
9.  
STAY ALERT. Watch what you are doing at all times. Use common sense. Do  
not use this product when you are tired or distracted from the job at hand.  
10.  
CHECK FOR DAMAGED PARTS. Before using this product, carefully check that  
it will operate properly and perform its intended function. Check for damaged  
parts and any other conditions that may affect the operation of this product.  
Replace or repair damaged or worn parts immediately.  
11.  
REPLACEMENT PARTS AND ACCESSORIES. When servicing, use only  
identical replacement parts. Only use accessories intended for use with this  
product. Approved accessories are available from Harbor Freight Tools.  
12.  
13.  
14.  
MAINTAIN THIS PRODUCT WITH CARE. Keep this tool clean and dry, and  
keep cutoff grinding wheels clean and sharp for better and safer performance.  
MAINTENANCE: For your safety, service and maintenance should be performed  
regularly by a qualified technician.  
USE THE RIGHT PRODUCT FOR THE RIGHT JOB. There are certain  
applications for which this product was designed. Do not use small equipment,  
tools or attachments to do the work of larger industrial equipment, tools or  
attachments. Do not use this product for a purpose for which it was not intended.  
SPECIFIC PRODUCT WARNINGS AND PRECAUTIONS  
1.  
2.  
DANGER! Do not use unapproved accessories. Do not use circular saw  
blades or wire brushes on this tool. Do not use any accessory except 6”  
Cut-Off Grinding Wheels rated at 9,000 RPMs or higher.  
GUARD AGAINST ELECTRIC SHOCK. Do not submerge the Cut-Off Saw in  
water or other liquids. Always prevent body contact with grounded surfaces such  
as pipes, radiators, ranges, refrigerators, etcetera. Do not operate the Cut-Off  
Saw if the operator is standing in water.  
SKU 41453  
For technical questions, please call 1-800-444-3353.  
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To comply with the National Electric Code (NFPA70), and to provide additional  
protection from the risk of electrical shock, the Cut-Off Saw should only be  
connected to a 115 Volt, 3 prong, electrical outlet that is protected by a Ground  
Fault Circuit Interrupter (GFCI).  
3.  
ALWAYS USE A 3 PRONG PLUG ADAPTER (not provided). This Cut-Off Saw  
is equipped with a 2 prong Power Cord Plug (31). For increase safety always  
attach and use a 3 prong, grounded, Plug Adapter. (See Figure A, and Assy.  
Diagram.)  
2 PRONG PLUG (31)  
3 PRONG PLUG ADAPTER  
FIGURE A  
115 VOLT OUTLET  
4.  
5.  
MAKE SURE THE POWER SWITCH IS IN THE “OFF” POSITION BEFORE  
PLUGGING IN THE POWER CORD.  
DO NOT ABUSE THE POWER CORD. Do not use the Power Cord to pull the  
Plug from a power outlet. Keep Power Cord away from heat, oil, sharp edges, and  
moving parts. Replace a damaged Power Cord immediately. Route the Power  
Cord safely. Protect it from being damaged by other equipment in the work area.  
Do not route the Power Cord where it can be walked on or tripped over.  
6.  
IF YOU USE AN EXTENSION CORD, MAKE SURE TO USE ONLY UL  
APPROVED CORDS HAVING THE CORRECT GAUGE AND LENGTH.  
(SEE FIGURE B.)  
REQUIRED EXTENSION CORD GAUGE  
Nameplate  
Amperes  
0 - 5  
Extension Cord Length  
25’  
16  
16  
14  
12  
10  
50’  
16  
16  
14  
12  
10  
75’  
16  
14  
12  
10  
10  
100’  
14  
12  
10  
10  
-
150’  
200’  
12  
-
-
-
12  
10  
-
5.1 - 8  
8.1 - 12  
12.1 - 15  
15.1 - 20  
-
-
-
FIGURE B  
SKU 41453  
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7.  
8.  
NOTE: Performance of this tool may vary depending on variations in local line  
voltage. Extension cord usage may also affect tool performance.  
MAINTAIN A SAFE WORK ENVIRONMENT. Do not use the Cut-Off Saw in or  
near damp or wet areas. Do not expose this tool to rain. Keep the work area  
well lit. Make sure there is adequate surrounding workspace. Use this tool in a  
well ventilated area. Do not operate this tool in the presence of flammable  
liquids, gases, or dust.  
9.  
DO NOT FORCETHE EQUIPMENT. This Cut-Off Saw will do the work better  
and safer at the speed and capacity for which it was designed.  
10.  
11.  
KEEP ALL GUARDS IN PLACE AND IN WORKING ORDER.  
REMOVE ALL ADJUSTING WRENCHES FROM THE CUTOFF SAW BEFORE  
TURNING IT ON.  
12.  
13.  
AVOID UNINTENTIONAL STARTING. Make sure you are prepared to begin  
work before turning the Power Switch “ON.”  
ALLOW THE CUTOFF GRINDING WHEEL TO SPIN UPTO FULL SPEED  
BEFORE FEEDING MATERIAL INTO IT. When turning it off, allow the Cut-Off  
Grinding Wheel to spin down and stop on its own. Do not press against the  
Cut-Off Grinding Wheel to stop it.  
14.  
15.  
ALWAYS KEEP HANDS AND FINGERS AWAY FROM THE CUTOFF GRIND-  
ING WHEEL. Never pass hands directly in front of, to the rear, or below the  
Cut-Off Grinding Wheel when cutting a workpiece.  
DO NOT FORCETHE CUTOFF GRINDING WHEEL INTO THE WORKPIECE  
WHEN CUTTING. Apply moderate pressure, allowing the Cut-Off Grinding  
Wheel to cut without being forced.  
16.  
17.  
18.  
19.  
NEVER ATTEMPT TO REMOVE MATERIAL STUCK IN THE MOVING PARTS  
OF THE CUTOFF SAW WHILE IT IS PLUGGED IN AND RUNNING.  
TURN OFF THE CUTOFF SAW IF THE WORKPIECE IS TO BE BACKED OUT  
OF AN UNCOMPLETED CUT.  
MAKE SURE THE WORKPIECE IS FREE FROM ANY FOREIGN OBJECTS  
WHICH COULD DAMAGE THE CUTOFF GRINDING WHEEL.  
MAKE SURE THE WORKPIECE IS SUPPORTED AT ALL TIMES DURING  
OPERATION. Use a Roller Stand (not provided) with a larger workpiece if neces-  
sary.  
SKU 41453  
For technical questions, please call 1-800-444-3353.  
PAGE 5  
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20.  
21.  
MAINTAIN CONTROL OFTHE WORKPIECE AT ALL TIMES. Whenever  
possible, secure the work piece with clamps, in a vise, etcetera.  
ALWAYS DISCONNECT THE CUTOFF SAW FROM ITS ELECTRICAL  
SUPPLY SOURCE BEFORE PERFORMING ANY SERVICES OR  
MAINTENANCE. Unplug the Cut-Off Saw when leaving the work area, moving  
the tool from one location to another, changing Cut-Off Grinding Wheels,  
cleaning debris from the tool, etcetera.  
22.  
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 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. (Califor-  
nia Health & Safety Code § 25249.5, et seq.)  
23.  
WARNING: People with pacemakers should consult with their physician(s)  
before using this product. Operation of equipment in close proximity to a heart  
pacemaker could cause interference or failure of the pacemaker.  
UNPACKING  
When unpacking, check to make sure all parts listed and shown on pages 10 and 11  
are included. If any parts are missing or broken, please call Harbor Freight Tools at the  
number shown on the cover of this manual as soon as possible.  
ASSEMBLY INSTRUCTIONS  
For additional references to the parts listed below, refer to pages 10 and 11 of this  
manual.  
To Install A 6” Cut-Off Grinding Wheel:  
1.  
2.  
Caution: Prior to installing a Cut-Off Grinding Wheel (not provided), make sure  
the Cut-Off Saw is disconnected from its electrical power source.  
Release the Chain (51), and allow the Housing (22, 44) to rest in its full upward  
position. (See Figure C, and Assy. Diagram.)  
SKU 41453  
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3.  
With assistance, pull the spring loaded Moveable Guard (6) up to its highest posi-  
tion and hold it in place. (See Figure C.)  
HOUSING (22, 44)  
HANDLE  
POWER SWITCH (42)  
MOVEABLE GUARD (6)  
FIXED VISE (57)  
WITH ANGLE SCALE  
6”  
CUTOFF  
GRINDINGWHEEL  
(NOT PROVIDED)  
KNOB (47)  
BASE (60)  
MOVEABLE CLAMP (55)  
CUTTING SLOT  
FIGURE C  
4.  
Insert Spanner (45) into the access slot behind Guard (9), so that it engages the  
flats on the Spindle, and hold it firmly.  
5.  
6.  
UseWrench (46) to remove (CCW) the Outer Flange (1) from the Spindle.  
Note: This saw accepts wheels with 2 different arbor sizes: 5/8”, 7/8”.  
5/8” Arbor: Place theWheel directly onto the spindle without using the Inner Flange  
(3). Place the Flange on the spindle with the step facing away from  
the cutoff wheel.  
7/8” Arbor: Install the Inner flange with the step facing the cutoff wheel. Place the  
Wheel onto the spindle over the Inner Flange (3). Place the Flange  
on the spindle with the step facing the cutoff wheel.  
Check to ensure that the wheel is positioned correctly, then firmly tighten the Outer  
Flange.  
7.  
Allow the Moveable Guard (6) to return to its down position. (See Figure C.)  
REV 01/04; 01/05; 12/05  
SKU 41453  
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5/8” ARBOR BLADES  
7/8” ARBOR BLADES  
OUTER  
OUTER  
FLANGE (1)  
FLANGE (1)  
INNER FLANGE (3)  
SPINDLE  
(10)  
SPINDLE  
(10)  
5/8ARBOR 6CUTOFF  
GRINDINGWHEEL  
(NOT PROVIDED)  
7/8ARBOR 6CUTOFF  
GRINDINGWHEEL  
(NOT PROVIDED)  
FIGURE D  
OPERATING INSTRUCTIONS  
For additional references to the parts listed below, refer to pages 10 and 11 of this  
manual.  
1.  
WARNING! Do not use unapproved accessories. Do not use circular saw  
blades or wire brushes on this tool. Do not use any accessory except 6”  
Cut-Off GrindingWheels rated at 9,000 RPMs or higher.  
2.  
3.  
NOTE: Be aware that friction from cutting will heat up both the wheel and work-  
piece. Do not overwork the Cut-Off Saw, as damage may result.  
Determine the angle of cut required, and adjust the Fixed Vise (57) to the degree  
of angle required, using the Scale located on the Fixed Vise. The Fixed Vise can  
be set from 0 to 45 degrees. To adjust the angle, loosen the Screw (58). Set the  
angle required. Then, retighten the Screw. (See Figure C, and Assy. Diagram.)  
4.  
5.  
6.  
Insert the workpiece between the Fixed Vise (57) and Moveable Clamp (55).  
(See Figure C, and Assy. Diagram.)  
Turn the Knob (47) clockwise to secure the workpiece in place between the Fixed  
Vise (57) and Moveable Clamp (55). (See Figure C, and Assy. Diagram.)  
Hold the Handle with one hand, and pull it down slightly toward the workpiece.  
Make sure the Cut-Off Grinding Wheel is aligned with the workpiece and cutting  
slot located on the Base (60). (See Figure C, and Assy. Diagram.)  
7.  
Depress the Power Switch (42) to turn on the tool, and allow the Cut-Off Grinding  
Wheel to come to full speed. (See Figure C, and Assy. Diagram.)  
REV 01/04; 01/05; 12/05  
SKU 41453  
For technical questions, please call 1-800-444-3353.  
PAGE 8  
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8.  
Slowly lower the Cut-Off Grinding Wheel into the workpiece. Continue applying  
light downward pressure until the workpiece is fully cut. Then, release pressure  
on the Power Switch (42) to turn off the tool. (See Figure C, and Assy. Diagram.)  
9.  
Allow the Cut-Off Grinding Wheel to come to a complete stop. Then secure the  
Housing (22, 44) to its down position on the Base (60) by coiling the Tie-Down  
Chain (51) around the Handle. (See Assy. Diagram.)  
10.  
NOTE: Before trying new or complicated techniques, study the procedure and  
practice with scrap material.  
INSPECTION, MAINTENANCE, AND CLEANING  
1.  
2.  
Caution: Always disconnect the Cut-Off Saw from its electrical power supply  
source before performing any inspection, maintenance, or cleaning.  
Before each use, inspect the general condition of the Cut-Off Saw. Inspect the  
Power Switch, Power Plug, Cord assembly, and extension cord (if used) for dam-  
age. Check for a cracked or damaged Cut-Off Grinding Wheel, improper mount-  
ing of a Cut-Off Grinding Wheel, loose screws, broken parts, misalignment, or  
binding of moving parts, and any other condition that may affect its safe  
operation. If abnormal noise or vibration occurs, turn off the Cut-Off Saw  
immediately and have the problem corrected before further use. Do not use  
damaged equipment.  
3.  
The Cut-Off Saw features two Carbon Brushes (27) which, periodically, should be  
examined for wear. The Carbon Brushes are located on the Right Housing (22)  
and Left Housing (44). To inspect or replace the Carbon Brushes, use a small  
standard screwdriver to remove the Brush Covers (26). Remove the Carbon  
Brushes from the two Brush Holders (28), and examine the concave surface of the  
Carbon Brushes. The surface should be smooth and clean. If the Carbon  
Brushes appear only dirty, they may be cleaned by rubbing them with a pencil  
eraser. Make sure to remove any eraser dust which may have occurred during  
cleaning. If there are large scratch marks in the Carbon Brushes, or parts of the  
Carbon Brushes have broken off, replace both Carbon Brushes immediately with  
approved replacement Carbon Brushes from Harbor Freight Tools. To reinstall the  
Carbon Brushes, insert them into the Brush Holders. Turn the Carbon Brushes  
vertically so they will fit into the Brush Holders. Then, replace the Brush Covers.  
(See Assy. Diagram.)  
4.  
With a brush, soft cloth, or vacuum, remove all debris from the Cut-Off Saw.  
SKU 41453  
For technical questions, please call 1-800-444-3353.  
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5.  
Do not use solvents to wipe off the Cut-Off Saw, as damage may result.  
If necessary, wipe with a damp cloth. You may use a mild detergent.  
6.  
7.  
8.  
Do not introduce water into the electric motor through the motor vents.  
Once clean, lubricate all moving parts with a light weight oil.  
When storing, keep the Cut-Off Saw covered with a cloth cover.  
PLEASE READ THE FOLLOWING CAREFULLY  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE  
TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY  
KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS  
QUALIFIEDTO REPLACE ANY PARTS OFTHE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY  
STATES THAT 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  
REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER  
INSTALLATION OF REPLACEMENT PARTS THERETO.  
PARTS LIST  
Part #  
Description  
Outer Flange  
Cutting Wheel (Not Included)  
Inner Flange  
Rivet  
Qty.  
1
Part #  
34  
Description  
Screw (M4 x 16)  
Cable Fixer  
Label  
Rotor  
Bearing  
Pinion  
Washer (6mm)  
Nut  
Qty.  
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
4
4
1
1
1
1
1
1
1
1
3
3
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
2
1
1
1
1
1
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
---------  
Spring  
Moveable Guard  
Bolt (M5 x 10)  
Washer (5mm)  
Guard  
Spindle  
Insert  
Cover  
Bolt  
Bearing  
Bearing Cover  
Washer (4mm)  
Screw (M4 x 10)  
Gear  
Washer (10mm)  
Washer (10mm)  
Bearing  
Switch  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
Capacitor  
Left Housing  
Spanner  
Flange Wrench  
Knob  
Nut (10mm)  
Threaded Bolt  
Split Pin  
Chain  
Support  
Ring (6mm)  
Screw (M6 x 12)  
Moveable Clamp  
Pin  
Fixed Vise  
Screw (M6 x 12)  
Screw (M4 x 8)  
Base  
Rubber Support  
Nut  
Spring  
Fixing Pin  
Washer (8mm)  
----------------------- --------  
--  
Right Housing  
Screw  
Ring (4mm)  
Steel Sleeve  
Brush Cover  
Carbon Brush  
Brush Holder  
Inductor  
Spring  
Plug  
Cable Sleeve  
Rotor Housing  
REV 01/04  
SKU 41453  
For technical questions, please call 1-800-444-3353.  
PAGE 10  
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ASSEMBLY DIAGRAM  
NOTE: Some parts are listed and shown for illustration purposes only, and are not  
available individually as replacement parts.  
SKU 41453  
For technical questions, please call 1-800-444-3353.  
PAGE 11  
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