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InstructIons and precautIons

distributed exclusively by Harbor Freight tools

®

.

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our website at: http://www.harborfreight.com

  saVe tHese InstructIons.  read all 

precautIons and InstructIons.

Copyright

©

 2008 by Harbor Freight Tools

®

.  All rights reserved.  No portion of this document 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 document 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 technical questions or replacement parts, please call 1-800-444-3353.

dIgItal  

contact  

tacHometer

66400

specIFIcatIons

Display

LCD 5 Digits

RPM Range

2.5 - 19,999 RPM

Accuracy

± 0.05 plus 1 RPM

Power Source

(4) 1.5 VDC (AA) Batteries  

(Not Supplied)

Operating 

Environment

32° - 104° F; 0 - 50° 

< 85% Humidity

unpackIng

When unpacking, check to make sure that 

the item is intact and undamaged.  If any parts are 

missing or broken, please call Harbor Freight Tools 

at the number shown on the cover of this document 

as soon as possible.

Your tool includes:

Digital Touch Tachometer

• 

(3) Adapters

• 

Important saFetY 

InFormatIon

When in use, this tool is in contact with rotat-

1. 

ing parts.
Do not touch rotating parts. Do not wear 

2. 

loose clothing when working with rotating 

parts. Contain hair, jewelry and any item that 

may become entangled in rotating part.
This product is not a toy.  Do not allow chil-

3. 

dren to play with or near this item.

Revised Manual 09c

Summary of Contents for 66400

Page 1: ...or replacement parts please call 1 800 444 3353 Digital Contact Tachometer 66400 Specifications Display LCD 5 Digits RPM Range 2 5 19 999 RPM Accuracy 0 05 plus 1 RPM Power Source 4 1 5 VDC AA Batteries Not Supplied Operating Environment 32 104 F 0 50 85 Humidity Unpacking When unpacking check to make sure that the item is intact and undamaged If any parts are missing or broken please call Harbor ...

Page 2: ...or use of this product Important Components and Controls 1 Rotation Axis Install the selected Adapter on this Axle TEST Button Use to perform Tests 2 LCD Display Information is displayed on this 3 screen MEMORY Button Use to recall last reading 4 minimum reading and maximum reading of last test Function Switch Use to select desired mea 5 surement FT MIN Linear speed in Feet per Minute a M MIN Line...

Page 3: ...VAC outlet Installing Adapters Installing Adapter 1 Before use the correct Adapter must be installed Cone RPM Adapter Funnel RPM Adapter Wheel Surface Speed Adapter The Adapters are friction fit Slide the Adapter 2 on or off as needed Operation RPM Measurement Attach the Cone Adapter 24 to the Rotating 1 Axle 27 as described above Set Function Switch to CONTACT 2 Press the tip of the cone to the c...

Page 4: ...e 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 Qt...

Page 5: ...SKU 66400 For technical questions please call 1 800 444 3353 Page 5 Assembly diagram ...

Page 6: ...cidental 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 im plied 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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