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
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PAGE 3
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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
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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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PAGE 7
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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)
5/8”ARBOR 6”CUTOFF
GRINDINGWHEEL
(NOT PROVIDED)
7/8”ARBOR 6”CUTOFF
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
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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.
PAGE 9
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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
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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
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PAGE 11
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