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CONTENTS

Content    

 

     Page 

Table of contents   …………………………..  2

Unpacking ..................................................  2

Transporting ...............................................  2

I

ntroduction, personal safety ......................  3 

Registration of the product …………………  4

General safety message ............................  4

Safety warnings .........................................  5

Excel series blades ...................................  6

Blade and skid plate installation ................  6

What is what? ............................................  7

Operating instructions ...............................  8

Grounding instructions ..............................  9

Extension cords and generators ...............  9

Maintenance …………………………….....  9

Maximizing the Soff-Cut system .......….... 

10

Sawing contraction joints …………....……  11

Troubleshooting ........................................  12

Technical specifications ............................  13

Conformity certificates ..............................  13

Warranty ...................................................  14

Your

 390 

electric

 saw has been shipped from the factory 

thoroughly inspected. The durable travel case contains the 

390

 saw, a blade shaft wrench, an owner’s manual, a part list, 

a warranty card, a pack of thumb nuts, and a joint protector 

sample pack. 

The 

390 

electric

 

saw weights approximately 30 pounds (14 

kilograms) when ready to use . Use safe handling practices 

when using the saw. Immediately clean the blade guard hous-

ing after each and every use to prevent concrete dust buildup. 

Always remove the diamond blade when transporting the saw. 

Fold the guide arm back and unscrew the handle from the 

housing prior to storing in the carrying case.

UNPACKING 

2

TRANSPORTING 

Handles

Travel case

Extension cord,

Sample joint protector,

Literature pack,

Thumb nuts.

Summary of Contents for 390

Page 1: ...Operator s Manual Read these instructions carefully and make sure you understand them before using the 390 390 ...

Page 2: ...been shipped from the factory thoroughly inspected The durable travel case contains the 390 saw a blade shaft wrench an owner s manual a part list a warranty card a pack of thumb nuts and a joint protector sample pack The 390 electric saw weights approximately 30 pounds 14 kilograms when ready to use Use safe handling practices when using the saw Immediately clean the blade guard hous ing after ea...

Page 3: ...rnet at www husqvarnacp com Husqvarna Construction Products will willingly be of service and provide you with advice as well as help you to use your product both efficiently and safely Additional manuals are available at NO CHARGE and can also be obtained on the internet site Husqvarna Construction Products 265 Radio Road Corona California 92879 USA Toll Free no 800 776 3328 USA Canada Phone no 95...

Page 4: ... 85 dB A Use hearing protection WARNING CALIFORNIA PROP 65 Use of this product can expose you to materials known to the State of California to cause cancer and or birth defects or other reproductive harm WARNING DO NOT MODIFY THE PRODUCT Under no circumstances may the design of the machine be modified without the permission of the manu facturer Always use genuine accessories Unauthorized modificat...

Page 5: ... properly installed and grounded in accordance with all codes Never modify the plug in any way Do not use adaptor plugs Check with a qualified electrician if you are in doubt SAW SAFETY Do not leave saw unattended while the electric motor is running Do not alter the saw Any alteration or modification is misuse and may result in a dangerous condition All safety guards must be in place before starti...

Page 6: ...ore installing the new blade A new skid plate is included with every new blade Make sure to remove and discard the old skid plate and replace it with a new skid plate every time the blade is replaced NOTE The patented skid plate is the most important part of the Soff Cut Ultra Early Entry system If it is bent twisted or damaged spalling and raveling of a cut may result Store skid plates carefully ...

Page 7: ... A Guide B On Off switch C Blade guard D Arbor lock lever E Hooked guide latch F Depth gauge G Box release lever H Aggregate adjuster I Lifting handle J Hour meter Model number and serial number 7 B E D A D F G H I G C B H C J ...

Page 8: ...o not force the saw or stall the motor At the left side of the rear corner of the saw is the aggregate adjuster knob H This adjustment knob will change the down pressure on the cutting blade in relationship to the hardness of the aggregate in your area Simply turn the knob accordingly to the soft medium or hard setting By using the proper aggregate setting in conjunc tion with the the depth gauge ...

Page 9: ...s for damage and proper function daily espe cially the blade guard The blade guard should be secure to the saw and not damaged Diamond blade Inspect diamond blades daily for damage cracks secure fit to the arbor loss of segments warping or overheating If any blade shows any of these problems discard the blade and never use Saw controls Inspect all controls for proper function daily Check the ON OF...

Page 10: ...be cut The timing of the early entry process allows joints to be in place prior to development of significant tensile stress in the concrete The Portland Cement Association PCA engineering bulletin Concrete Floors on the ground also states Proper jointing can eliminate unsightly random cracks Aspects of joining that lead to a good job are choosing the correct type of joint for each location establ...

Page 11: ...nt layout should be provided the saw contractor should submit a detailed joint layout for approval prior to cutting Several factors affect joint spacing including Concrete thickness Type amount and location of reinforcement Shrinkage potential of concrete cement type quantity aggregate size quantity quality water to cement ratio admixtures concrete temperature Base friction Slab restraints Layout ...

Page 12: ...no debris that could raise the skid plate or saw while cutting Use Husqvarna joint protectors at all cut intersections Clean excess concrete debris from the blade guard assembly front diverter skid plate and bottom plate Do not stop the electric motor while the blade is in the cut MOTOR RUNS BUT BOGGS DOWN WHEN CUTTING Check that the extension cord is the proper wire gauge size for the length of t...

Page 13: ...ear Cutting distance from wall 2 0 inch 51 mm Average cutting rate Estimate only Speed will vary with job conditions and concrete mixes Soft aggregates 10 ft min 3 0 m min Medium aggregates 6 0 ft min 1 8 m min Hard aggregates 3 0 ft min 0 9 m min Blades are available in 5 0 inch 127 mm and 5 5 inch 140 mm diameters and in 0 095 inch 2 4 mm and 0 225 inch 5 7 mm widths Motor Specification 15 Amp 6...

Page 14: ... applies both during and after the term of this warranty This warranty gives you specific legal rights and other possible rights which may vary from state to state Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you Some states do not allow limitations on how long an implied warranty lasts so the abov...

Page 15: ...2014 09 24 505 41 78 11 Printed In U S A www husqvarnacp com ...

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