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

SKU 67631 

        

Recommended minimum WiRe 

gauge FoR eXtenSion coRdS 

(120 Volt)

nameplate 

ampeReS

(at full load)

eXtenSion coRd 

length

25’

50’ 100’ 150’

0 – 6

18

16

16

14

6.1 – 10

18

16

14

12

10.1 – 12

16

16

14

12

12.1 – 16

14

12

do not use.

table a

USE PROPER EXTENSION CORD. 

7. 

Make sure your extension cord is in good 

condition. When using an extension 

cord, be sure to use one heavy enough 

to carry the current your product will 

draw. An undersized cord will cause a 

drop in line voltage resulting in loss of 

power and overheating. 

 

Table A shows 

the correct size to use depending on 

cord length and nameplate ampere 

rating. If in doubt, use the next heavier 

gauge. The smaller the gauge number, 

the heavier the cord.
WEAR PROPER APPAREL. Do not wear 

8. 

loose clothing, gloves, neckties, rings, 

bracelets, or other jewelry which may get 

caught in moving parts. Nonslip footwear 

is recommended. Wear protective hair 

covering to contain long hair.
ALWAYS USE SAFETY GLASSES. Also 

9. 

use face or dust mask if cutting operation 

is dusty. Everyday eyeglasses only have 

impact resistant lenses, they are NOT 

safety glasses.
MAINTAIN TOOLS WITH CARE. Keep 

10. 

tools sharp and clean for best and safest 

performance. Follow instructions for 

lubricating and changing accessories.
DISCONNECT TOOLS before servicing; 

11. 

when changing accessories, such as 

blades, bits, cutters, and the like.

REDUCE THE RISK OF 

12. 

UNINTENTIONAL STARTING. Make 

sure switch is in off position before 

plugging in.
USE RECOMMENDED ACCESSORIES. 

13. 

Consult the owner’s manual for 

recommended accessories. The use of 

improper accessories may cause risk of 

injury to persons.
CHECK DAMAGED PARTS. Before 

14. 

further use of the tool, a guard or other 

part that is damaged should be carefully 

checked to determine that it will operate 

properly and perform its intended 

function – check for alignment of moving 

parts, binding of moving parts, breakage 

of parts, mounting, and any other 

conditions that may affect its operation. 

A guard or other part that is damaged 

should be properly repaired or replaced.

gRounding inStRuctionS

 

to pReVent 

electRic Shock 

and death FRom incoRRect 

gRounding WiRe 

connection 

Read and FolloW theSe 

inStRuctionS:

110-120 V~ grounded tools: tools 

with three prong plugs

In the event of a malfunction or 

1. 

breakdown, grounding provides a path 

of least resistance for electric current 

to reduce the risk of electric shock. 

This tool is equipped with an electric 

cord having an equipment-grounding 

conductor and a grounding plug.  The 

plug must be plugged into a matching 

outlet that is properly installed and 

grounded in accordance with all local 

codes and ordinances.

Summary of Contents for 67631

Page 1: ...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 Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For...

Page 2: ...erious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury General Tool Safety Warnings WARNING Read all safety warnings and instructions Fail...

Page 3: ...Follow instructions for lubricating and changing accessories DISCONNECT TOOLS before servicing 11 when changing accessories such as blades bits cutters and the like REDUCE THE RISK OF 12 UNINTENTIONAL STARTING Make sure switch is in off position before plugging in USE RECOMMENDED ACCESSORIES 13 Consult the owner s manual for recommended accessories The use of improper accessories may cause risk of...

Page 4: ...ng Plug and Outlet The tool has a grounding plug that looks like the plug illustrated above in 125 V 3 Prong Plug and Outlet The outlet must be properly installed and 8 grounded in accordance with all codes and ordinances Do not use an adapter to connect this 9 tool to a different outlet Tumbler Safety Warnings Do not USE OUTDOORS 1 DO NOT USE WITH SAND 2 Do not place Tumbler on a table The 3 unit...

Page 5: ...ual cannot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Save these instructions Specifications Motor 120 V 60 Hz Capacity 3 lb Barrel Type Rubber allows for quieter operation Unpacking When unpacking make sure that the item is i...

Page 6: ...re performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY Do not operate with ANY guard disabled damaged or removed Moving guards must move freely and close instantly Work Piece and Work Area Set Up Designate a work area that is applicable 1 for prolonged Tumbler use The work area must not allow access by children or pets to prevent distraction and injury Route the ...

Page 7: ... ranging from small 3 16 to 3 8 to large 3 4 to 1 25 of the stones should be in the smaller range Split the remaining volume between medium sized 3 8 to 5 8 and large sized 5 8 to 1 stones For best results use a four step polish 11 process First use a silicon carbide grain 60 90 grit size Second use a fine silicon carbide grain 220 grit or a little finer Next use a 600 grit silicon carbide grain o...

Page 8: ... no slurry or grit remaining on the stones Second Grind Carefully replace stones into the Rubber Barrel If the Barrel is less than 1 2 full add plastic pellets not included to help cushion the stones Then add medium grit see page 5 and water up to the bottom of the top layer of rocks Reseal and tumble Run it for 2 3 days before checking They will begin to smooth After seven days they should have a...

Page 9: ...enance and Lubrication BEFORE FIRST USE and once a 1 month following put a few drops of oil on the Driving Shaft Bearing 42 BEFORE EACH USE 2 inspect general condition of tool Check for loose hardware misalignment or binding of moving parts cracked or broken parts damaged electrical wiring and any condition that may affect its operation After Use 3 wipe external surfaces of the tool with clean clo...

Page 10: ... 37 O Ring Ø8 6 38 Washer Ø8 1 39 Foot B 2 40 V Belt 1 41 Base 1 42 Driving Shaft Bearing 1 PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and or distributor has provided the parts list and assembly diagram in this manual as a reference tool only Neither the manufacturer or distributor makes any representation or warranty of any kind to the buyer that he or she is qualified to make any repai...

Page 11: ...GRAM Record Product s Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts Please note Not all parts are washable ...

Page 12: ...ncidental or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranties of merchantability and fitness To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint ...

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