Harbor Freight Tools Snow Blower 91924 User Manual

Electric Snow  
Thrower 11 AMP  
91924  
ASSEMBLY AND OPERATING INSTRUCTIONS  
®
3491 Mission Oaks Blvd., Camarillo, CA 93011  
©
®
Copyright 2004 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.  
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ELECTRICAL SAFETY  
4.  
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 tool should electrically malfunction or  
break down, grounding provides a low resistance path to carry electricity away  
from the user.  
5.  
6.  
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 tool  
or pull the Plug from an outlet. Keep the Power Cord away from heat, oil,  
sharp edges, or moving parts. Replace damaged Power Cords immedi-  
ately. Damaged Power Cords increase the risk of electric shock.  
9.  
When operating a power tool outside, use an outdoor extension cord  
marked “W-A” or “W”. 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 oper-  
ating a power tool. Do not use a power tool while tired or under the influ-  
ence of drugs, alcohol, or medication. A moment of inattention while operat-  
ing 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. A long-sleeved jacket and  
jeans are recommended during use.  
For technical questions, please call 1-800-444-3353.  
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12.  
13.  
14.  
15.  
Avoid accidental starting. Be sure theTrigger is off before plugging in.  
Carrying power tools with your finger on the Trigger, or plugging in power tools  
with the Trigger 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.  
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, non-skid  
safety shoes, hard hat, or hearing protection must be used for appropriate  
conditions.  
TOOL USE AND CARE  
16.  
Be sure you are standing firmly and in balance before operating this snow  
Thrower. Wear proper shoes for what may be a slippery surface. Brace yourself  
and grasp the snow Thrower with both hands before operating it.  
17.  
18.  
19.  
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 use the power tool if the Trigger does not turn it on or off. Any tool  
that cannot be controlled with the Trigger 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.  
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 tools clean and in good condition. Properly  
maintained tools function better and are easier to control. Do not use a dam  
aged 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 main-  
tained tools.  
For technical questions, please call 1-800-444-3353.  
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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 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  
1.  
2.  
Maintain labels and nameplates on the Snow Thrower. These carry impor-  
tant information. If unreadable or missing, contact Harbor Freight Tools for a  
replacement.  
Always wear safety impact eye goggles and heavy work gloves when using  
the Snow Thrower. Using personal safety devices reduce the risk for injury.  
Safety impact eye goggles and heavy work gloves are available from Harbor  
Freight Tools.  
3.  
Maintain a safe working environment. Keep the work area well lit. Make sure  
there is adequate surrounding work space. Always keep the work area free of  
obstructions, grease, oil, trash, and other debris. Do not use a power tool in  
areas near flammable chemicals, dusts, and vapors. Do not use this product in a  
damp or wet location.  
4.  
When using this power tool, always maintain a firm grip on the tool with  
both hands to resist starting torque.  
5.  
6.  
Always keep the extension cord away from moving parts on the tool.  
Avoid unintentional starting. Make sure you are prepared to begin work  
before turning on the Snow Thrower.  
7.  
Do not force the Snow Thrower. This tool will do the work better and safer at  
the speed and capacity for which it was designed.  
For technical questions, please call 1-800-444-3353.  
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8.  
9.  
Never lay the Snow Thrower down until the motor has come to a complete  
stop. The tool may create unforeseen risk while the motor cycles down.  
Never leave the Snow Thrower unattended when it is plugged into an  
electrical outlet. Turn off the tool, and unplug it from its electrical outlet before  
leaving.  
10.  
11.  
Always unplug the Snow Thrower from its electrical outlet before perform-  
ing any inspection, maintenance, or cleaning procedures.  
WARNING! People with pacemakers should consult their physician(s)  
before using this product. Operation of electrical equipment in close proximity to  
a heart pacemaker could cause interference to or failure of the pacemaker.  
For technical questions, please call 1-800-444-3353.  
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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.  
GROUNDED TOOLS:TOOLS WITH THREE PRONG PLUGS  
1.  
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 elec-  
tric shock. (See Figure A.)  
2.  
3.  
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.)  
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  
For technical questions, please call 1-800-444-3353.  
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DOUBLE INSULATED TOOLS:TOOLS WITH TWO 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.  
4.  
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.)  
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.)  
5.  
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.  
For technical questions, please call 1-800-444-3353.  
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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*  
(120 VOLT)  
NAMEPLATE  
EXTENSION CORD LENGTH  
AMPERES  
(At Full Load)  
25  
Feet  
18  
18  
18  
18  
16  
14  
12  
50  
Feet  
18  
18  
18  
16  
14  
12  
10  
75  
Feet  
18  
18  
16  
14  
12  
10  
-
100  
150  
Feet  
16  
14  
12  
12  
-
Feet  
18  
16  
14  
12  
10  
-
0 – 2.0  
2.1 – 3.4  
3.5 – 5.0  
5.1 – 7.0  
7.1 – 12.0  
12.1 – 16.0  
16.1 – 20.0  
-
-
-
* Based on limiting the line voltage drop  
to five volts at 150% of the rated amperes.  
FIGURE C  
SYMBOLOGY  
Double Insulated  
Canadian Standards  
Association  
Underwriters  
Laboratories, Inc.  
Volts Alternating Current  
V ~  
Amperes  
A
n
No Load Revolutions  
per Minute (RPM)  
o
xxxx/min.  
For technical questions, please call 1-800-444-3353.  
SKU 91924  
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UNPACKING  
When unpacking, check to make sure that this product is in good condition, and all the  
following 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.  
SnowThrower Main Component  
SnowThrower Handle  
(2) Locking Knobs  
ASSEMBLY AND OPERATING INSTRUCTIONS  
NOTE: For additional information regarding the parts listed in the following pages, refer  
to the Assembly Diagram on page 13.  
1.  
2.  
CAUTION: Always make sure the Power Cord is unplugged from its electrical outlet  
prior to assembling or making any adjustments to the tool.  
Before using the Snow Thrower, you must assemble the Handle. Insert the upper  
part of the Handle into the lower part, as in the photo.There is an insertion mark on  
the handle. Do not insert beyond the mark. Be careful not to damage the electric  
cord inside the Handle. Tighten the Knobs.  
3.  
To operate, the Snow Thrower must  
have 110-120 VAC power. Provide  
an extension cord (not supplied) of  
sufficient length, and meeting the re-  
Upper  
Handle  
quirements discussed in the previ-  
ous section.Be careful that the ex-  
tension cord does not lie in open  
water or on wet surfaces. Observe  
all safety precautions mentioned in  
this manual.  
Knobs  
4.  
If the Snow Thrower gets locked up  
with ice or operates slowly or with  
Assembling the Handle  
difficulty, stop using immediately.  
Unplug the SnowThrower and move  
it to a slightly warm garage or other room where any water will be able to drain away  
from the Thrower without damaging the room. Ensure that all snow and water has  
completely melted and the Thrower has dried before use.  
5.  
You can adjust the height of the thrown material among three settings, High, Me-  
dium, or Low.You do this by raising or lowering the height of the Rear Wheels, which  
changes the angle of the Snow Thrower.  
For technical questions, please call 1-800-444-3353.  
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6.  
7.  
To change the angle that the snow is ejected, rotate the Height Control Lever to  
unlock it. Then press down or pull up on the Handle as needed to move the unit to  
the desired setting. Rotate the Height Control Lever to lock the unit into its new  
setting.  
You can adjust whether the snow is  
ejected forward, or to the left or right. To  
Height Control  
Lever  
change the angle at which snow is  
ejected, push the Direction Control Lever  
down slightly, rotate it to the left, right, or  
center as required, then allow it to come  
back up. This will change the orientation  
of the Direction Flaps as desired.  
Direction Control  
Lever  
8.  
To operate the Snow Thrower, grasp the  
Handle firmly. Press in the Safety and,  
while holding it in, squeeze the Trigger.  
The machine will begin to operate imme-  
diately.  
NOTE: To stop the machine, remove your  
hand from the handle, releasing the  
Trigger.  
9.  
Roll the Snow Thrower slowly for-  
ward over the snow. Observe the di-  
rection that the snow is being thrown.  
If necessary, stop working and ad-  
just the throwing height or direction.  
Safety  
Trigger  
10.  
11.  
Do not force the Snow Thrower  
through the snow. Listen to the motor  
as you work. If the motor slows down  
excessively, pull the Snow Thrower  
back to allow the motor to regain speed,  
and roll the machine forward at a slower  
rate.  
Direction Flaps  
When you reach the end of a row, be  
aware of where the thrown snow will  
go.You may have to adjust your direc-  
tion or the throwing height to manage  
the direction of thrown snow.  
REV 11/04  
For technical questions, please call 1-800-444-3353.  
SKU 91924  
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12.  
When you have finished blowing snow, stop the machine. To do this, release your  
grip on the handle, which will release the Trigger, stopping the machine. Disconnect  
the extension cords, roll them up and store them for next use. Move the Snow  
Thrower to a suitable storage location. Brush or wipe off any snow or moisture  
before storing this tool. Remember that storing this machine wet may cause dam-  
age to it.  
WARNING: Snow, ice and other materials may be ejected from this SnowThrower at  
high speed. Use extreme caution in managing the direction of materials thrown by  
this SnowThrower. Never allow the ejected material to be directed at any person or  
animal. Be careful to direct thrown material away from any property which may be  
harmed by the force of the ejected material or its accumulation.  
INSPECTION, MAINTENANCE, AND CLEANING  
1.  
2.  
WARNING! Make sure the Trigger of the Snow Thrower is in its “OFF” position  
and that the tool is unplugged from its electrical outlet before performing any in-  
spection, maintenance, or cleaning procedures.  
BEFORE EACH USE, inspect the general condition of the Snow Thrower. Check  
for loose screws, misalignment or binding of moving parts, cracked or broken parts,  
damaged electrical wiring, and any other condition that may affect its safe opera-  
tion. If abnormal noise or vibration occurs, have the problem corrected before fur-  
ther use.  
Do not use damaged equipment.  
3.  
When putting this tool away after each use, be sure to remove any snow or water  
which may be on it. Water and moist conditions are inherently damaging to any  
electrical tool. Be sure to store this tool in dry condition in a dry place.  
4.  
5.  
Check the Belt for damage, and to be sure it is properly aligned. If it is loose or  
damaged, have it serviced or replaced by a qualified service technician.  
Check the Rubber Blades for wear, and to be sure they are properly installed. Each  
Rubber Blade is held in place with four Screws and Washers. Ensure that they are  
properly installed and tight.  
6.  
If the Rubber Blades are excessively worn, they may be replaced. To do this, first  
remove and set aside the four Screws and Washers from each Rubber Blade. The  
Rubber Blades may be pulled out of the slots in the Drum.  
7.  
Install new Rubber Blades in the Drum, being sure that the shiny side of the new  
Rubber Blade is up, and the coarse side is down.Tighten each Rubber Blade firmly  
in place using the Screws and Washers.  
For technical questions, please call 1-800-444-3353.  
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PARTS LIST  
Part  
1
DESCRIPTION  
Seal  
Qty.  
2
Part  
32  
DESCRIPTION  
Link  
Qty.  
1
1
1
1
5
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
2
1
1
Part  
63  
DESCRIPTION  
Qty.  
1
1
1
1
1
1
1
1
1
4
2
1
1
1
1
1
1
2
1
1
1
15  
1
1
8
8
4
2
2
2
1
Power Cord Bracket  
2
Pulley  
1
33 Direction Control Lever  
64 Upper Handle Housing  
3
Base  
1
34  
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  
Washer D  
Shaft Bracket  
Screw  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
Cable Protector  
Spring C  
Safety  
4
Screw  
3
5
Nylon Insert Nut  
Plate  
3
6
1
Spring A  
Trigger  
7
Screw  
12  
2
Lead Wire  
Switch  
8
Plate  
Wire Holder  
Right Axle Bracket  
Cap  
Left Lower Handle  
Connection Pin  
Screw  
9
Rubber Blade  
Cover  
2
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
1
Right Base Cover  
Washer A  
Left Direction Flap  
Nylon Insert Nut  
Screw  
1
Left Axle Bracket  
Axle  
Wheel  
3
Housing  
Pulley  
1
Grip  
2
Connector  
Belt  
13  
4
Acorn Nut  
Spring B  
Flange  
Direction Flap  
Direction Flap Board  
Right Direction Flap  
Seal  
Adjuster Bracket  
Height Adjuster Body  
Insulation Board  
Spring  
1
Bearing  
1
Retainer  
Cover  
1
Motor Holder  
Screw  
1
Pin  
Flap Spindle  
Pulley Cover  
Screw  
6
Clip  
Fan  
1
Pin  
O-ring  
1
Height Control Lever  
Height Control Handle  
Lower Control Holder  
Upper Control Holder  
Knob  
Clip  
Motor  
1
Bushing  
Washer B  
Lock Washer  
Insulator  
Cover  
Washer E  
Motor Bottom Mount  
Nylon Insert Nut  
Screw  
17  
1
15  
4
Right Lower Handle  
Upper Handle  
Power Cord  
Cover  
1
Terminal  
Terminal  
Spring D  
Rectifier  
1
31 Overload Protect Device  
1
62 Lower Handle Housing  
For technical questions, please call 1-800-444-3353.  
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ASSEMBLY DIAGRAM  
PLEASE READ THE  
FOLLOWING  
CAREFULLY  
THE MANUFACTURER AND/OR DISTRIBUTOR  
HAS PROVIDED THE PARTS LIST AND ASSEM-  
BLY DIAGRAM IN THIS MANUAL AS A REFER-  
ENCE TOOL ONLY. NEITHER THE MANUFAC-  
TURER NOR DISTRIBUTOR MAKES ANY REPRE-  
SENTATION OR WARRANTY OF ANY KIND TO  
THE BUYER THAT HE OR SHE IS QUALIFIED TO  
MAKE ANY REPAIRSTOTHE PRODUCT, ORTHAT  
HE OR SHE IS QUALIFIED TO REPLACE ANY  
PARTS OF THE PRODUCT. IN FACT, THE MANU-  
FACTURER AND/OR DISTRIBUTOR EXPRESSLY  
STATES THAT ALL REPAIRS AND PARTS RE-  
PLACEMENTS SHOULD BE UNDERTAKEN BY  
CERTIFIED AND LICENSED TECHNICIANS, AND  
NOT BYTHE 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 RE-  
PLACEMENT PARTS THERETO.  
NOTE: Some parts are listed and shown  
for illustration purposes only, and are not  
available individually as replacement  
parts.  
For technical questions, please call 1-800-444-3353.  
SKU 91924  
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