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SKU 31810 

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

 

Page 6

The tool must be plugged into an 

3. 

appropriate outlet, properly installed 

and grounded in accordance with all 

codes and ordinances.  The plug and 

outlet should look like those in the 

preceding illustration.  

(See 3-Prong 

Plug and Outlet.)

Extension Cords

Grounded

1. 

 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 

2. 

increases, you must use a heavier 

gauge extension cord.  Using exten-

sion cords with inadequately sized 

wire causes a serious drop in voltage, 

resulting in loss of power and pos-

sible tool damage. 

(See Table a.)

The smaller the gauge number of the 

3. 

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 Table a.)

When using more than one exten-

4. 

sion cord to make up the total length, 

make sure each cord contains at 

least the minimum wire size required.  

(See Table a.)

If you are using one extension cord 

5. 

for more than one tool, add the 

nameplate

 

amperes and use the sum 

to determine the required minimum 

cord size.  

(See Table a.)

If you are using an extension cord 

6. 

outdoors, make sure it is marked with 

the suffix “W-A” (“W” in Canada) to 

indicate it is acceptable for outdoor 

use.

Make sure the extension cord is prop-

7. 

erly wired and in good electrical con-

dition.  Always replace a damaged 

extension cord or have it repaired by 

a qualified electrician before using it.

Protect the extension cords from 

8. 

sharp objects, excessive heat, and 

damp or wet areas.

RECOMMENDED MINIMUM WIRE 

gaUgE FOR EXTENSION CORDS* 

(120/240 VOLT)

NaMEPLaTE

aMPERES

(at full load)

EXTENSION CORD 

LENgTH

25’

50’

75’

100’

150’

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 five volts at 

150% of the rated amperes.

Symbology

Double Insulated

Canadian Standards Association

Underwriters Laboratories, Inc.

V~

Volts Alternating Current

a

Amperes

n0 xxxx/min.

No Load Revolutions per Minute 

(RPM)

Summary of Contents for 31810

Page 1: ...l 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 Diagrams within this manu...

Page 2: ...ildren and 3 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 n...

Page 3: ...re 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 wrench 4 es before turning the p...

Page 4: ...nance instructions may create a risk of electric shock or injury SPECIFIC SAFETY RULES Wear ANSI approved safety impact 1 eye goggles hearing protection and a dust mask or respirator when operating th...

Page 5: ...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...

Page 6: ...the minimum wire size required See Table A If you are using one extension cord 5 for more than one tool add the nameplate amperes and use the sum to determine the required minimum cord size See Table...

Page 7: ...SSEMBLY INSTRUCTIONS NOTE For additional information regard ing the parts mentioned in the fol lowing pages refer to the Assembly Diagram near the end of the man ual Remove the Lock Washers 33a and 1...

Page 8: ...n store the Dust Collector in a safe clean dry location out of reach of children and unauthorized users INSPECTION MAINTENANCE AND CLEANING WARNING Always make sure the Power Switch is in its OFF posi...

Page 9: ...PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO PARTS LIST Part Description Qty 1 Housing 1 2 Frame 1 3 Inlet Screen 1 4 Inlet 1 8 Reducing...

Page 10: ...al questions please call 1 800 444 3353 Page 10 Assembly Diagram 8 30 41 38 4 3 1 42 11 10 9 46 12 37 40 29 2 37 31 37 28 25 34 33a 35 32 36 24 23 22 21 36 19 18 17 44 16 15 27 45 40 14 13 47 38 29 33...

Page 11: ...or for incidental contingent special or con sequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the ab...

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