Central Pneumatic 47706 Manuale utente

3/8” AIR RATCHET

WRENCH

ASSEMBLY and OPERATING

INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at http://www.harborfreight.com

For technical questions and replacement parts, please call 1-800-444-3353

Model 47706

manual or any artwork contained herein may be reproduced in any shape or form

without the express written consent of Harbor Freight Tools.

Page 2

SKU 47706

Specifications

Save This Manual

You will need the manual for the safety warnings and precautions, assembly instructions,

operating and maintenance procedures, parts list and diagram. Keep your invoice with this

manual. Write the invoice number on the inside of the front cover. Keep the manual and

invoice in a safe and dry place for future reference.

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should always be followed to

reduce the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

1. Keep work area clean. Cluttered areas invite injuries.

2. Observe work area conditions. Do not use machines or power tools in damp or wet

locations. Don’t expose to rain. Keep work area well lighted. Do not use electrically

powered tools in the presence of flammable gases or liquids.

3. Keep children away. Children must never be allowed in the work area. Do not let

them handle machines, tools, extension cords, or air hoses.

4. Store idle equipment. When not in use, tools must be stored in a dry location to

inhibit rust. Always lock up tools and keep out of reach of children.

5. Use the right tool for the job. Do not attempt to force a small tool or attachment to

do the work of a larger industrial tool. There are certain applications for which this

tool was designed. It will do the job better and more safely at the rate for which it was

intended. Do not modify this tool and do not use this tool for a purpose for which it

was not intended .

6. Dress properly. Do not wear loose clothing or jewelry as they can be caught in

moving parts. Protective, electrically non-conductive clothes and non-skid footwear

are recommended when working. Wear restrictive hair covering to contain long hair.

7. Use eye and ear protection. Always wear ANSI approved impact safety goggles and

ear protection. Wear a full face shield if you are producing metal filings or wood chips.

Wear an ANSI approved dust mask or respirator when working around metal, wood,

and chemical dusts and mists.

Drive Size 3/8”

Maximum RPM’s 110 RPM’s @90 PSI

Torque Clockwise 48 Foot Pounds

Torque Counterclockwise 50 Foot Pounds

Air Inlet 1/4” - 18 NPT Female

Recommended Air Pressure 90 PSI

Page 3

SKU 47706

8. Do not overreach. Keep proper footing and balance at all times. Do not reach over

or across running machines or air hoses.

9. Maintain tools with care. Keep tools clean for better and safer performance. Follow

instructions for lubricating and changing accessories. Inspect tool cords and air hoses

periodically and, if damaged, have them repaired by an authorized technician. The

handles must be kept clean, dry, and free from oil and grease at all times.

10. Disconnect air supply. Disconnect air hose when not in use.

11. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches

are removed from the tool or machine work surface before plugging it in.

12. Avoid unintentional starting. Be sure the Throttle Lever (#4) is not depressed

when not in use and before attaching to the air hose. Do not carry the Rachet Wrench

with the Throttle Lever (#4) depressed.

13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool

when you are tired.

14. Check for damaged parts. Before using any tool, any part that appears damaged

should be carefully checked to determine that it will operate properly and perform its

intended function. Check for alignment and binding of moving parts; any broken parts

or mounting fixtures; and any other condition that may affect proper operation. Any

part that is damaged should be properly repaired or replaced by a qualified

technician. Do not use the tool if Throttle Lever (#4) does not engage and disengage

properly.

15. Guard against electric shock. Prevent body contact with grounded surfaces such as

pipes, radiators, ranges, and refrigerator enclosures.

16. Replacement parts and accessories. When servicing, use only identical

replacement parts. Use of any other parts will void the warranty. Only use accessories

intended for use with this tool. Approved accessories are available from Harbor

Freight Tools.

17. Do not operate tool if under the influence of alcohol or drugs. Read warning

labels on prescriptions to determine if your judgment or reflexes are impaired while

taking drugs. If there is any doubt, do not operate the tool.

18. Use proper size and type extension cord. If an extension cord is required for the air

compressor, it must be of the proper size and type to supply the correct current to the

tool without heating up. Otherwise, the extension cord could melt and catch fire, or

cause electrical damage to the tool. Check your compressor’s manual for the

appropriate size cord.

19. Maintenance. For your safety, maintenance should be performed regularly by a

qualified technician.

20. Compressed air only. Never use combustible gases as a power source.

Note: Performance of the compressor (if powered by line voltage) may vary depending on

variations in local line voltage. Extension cord usage may also affect tool

performance.

Page 4

SKU 47706

Operation

For best service you should incorporate an oiler, regulator, and inline filter, as shown in the

diagram above. Hoses, couplers, oilers, regulators, and filters are all available at Harbor

Freight Tools.

1. You will need to prepare the included 1/4” air connector to connect to the Air

Inlet (#2). First, wrap the 1/4” air connector with pipe thread seal tape before connecting to a

Air Source Hose (not included).

2. Attach air hose to the Air Inlet (#2) on the Rachet Wrench.

Note: If you are not using an automatic oiler system, before operation, add a few drops of

Pneumatic Tool Oil to the airline connection. Add a few drops more after each hour of

continual use.

3. Set the air pressure on your compressor to 90 PSI. Do not exceed the recommended air

pressure of 90 PSI.

4. Check the air connection for leaks.

Rachet

Wrench

1/4” - 18 NPT

Unpacking

When unpacking, check to make sure the parts listed on page 6 are included. If any parts

are missing or broken, please call Harbor Freight Tools at the number on the cover of this

manual as soon as possible.

Warning:The warnings, cautions,and instructions discussed in this instruction manual

cannot cover all possible conditions and situations that may occur. It must be under-

stood by the operator that common sense and caution are factors which cannot be

built into this product, but must be supplied by the operator.

REV 06/06

Page 5

SKU 47706

Operation (continued)

Note: Turn off your air compressor and disconnect the air hose when you are changing

sockets. After you attach the socket, attach the air hose and turn the air compressor on.

5. Select the appropriate size 3/8” socket for your needs.

6. Attach the socket (not included) to the Anvil (#18).

7. Moving the Forward/Reverse Button (#38) in a counterclockwise direction toward the “F”

will tighten, and moving the Forward/Reverse Button (#38) clockwise toward the “R” will

loosen.

Tightening

Note: Forward/Reverse Button (#38) set toward the “F”.

8. Tighten the nut as tight as you can by hand.

9. Place the socket (not included) over the nut you wish to tighten.

10. Grip the Rachet Wrench firmly and gently squeeze the Throttle Lever (#4).

Note: If the Rachet Wrench cannot tighten it to your satisfaction, do not raise the air pressure

on the compressor over 90 PSI. Pressures above 90 PSI will strip the workpiece and damage

the tool. Use appropriate methods and tools to tighten the nut.

11. When the nut is tightened, release the Throttle Lever (#4). Turn off the air compressor

and disconnect the hose.

12. If available, check the recommended torque specification for the nut. Use a torque

wrench to tighten the nut to the proper setting after using the Rachet Wrench.

Loosening

Note: Forward/Reverse Button (#38) set toward the “R”.

13. Place the socket (not included) over the nut you wish to loosen.

14. Grip the Rachet Wrench firmly and gently squeeze the Throttle Lever (#4).

Note: If the Rachet Wrench cannot loosen the nut, do not raise the air pressure on the

compressor over 90 PSI. Do not attempt to loosen the nut with the Rachet Wrench. Use

appropriate methods and tools to loosen the nut.

15. When the nut is loosened, release the Throttle Lever (#4). Turn off the air compressor

and disconnect the hose.

16. If needed, remove the nut from the socket.

Maintenance

1. Make sure your Rachet Wrench is disconnected from the air hose before attempting any

maintenance.

2. If you are not using an automatic oiler system, put a few drops of pneumatic tool oil through

the air line before and after each use. During use, add a few drops every hour.

3. Apply a few drops of oil to the Throttle Lever (#4), Pin (#5), and the Actuation Pin (See

Assembly Drawing on page 7) before each use.

4. Wipe the Rachet Wrench down with a lint free cloth after each use.

5. Make sure the Anvil (#18) is clear of dirt or debris. If possible, spray it with compressed air

before each use.

Page 6

SKU 47706

NOTE: Some parts are listed and shown for illustration purposes only and are not available

individually as replacement parts.

PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS

MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBU-

TOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TOTHE BUYERTHAT HE

OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS

QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE 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 No. Description Qty. Part No. Description Qty.

1 Housing 1 22 Drive Bushing 1

2 Air Inlet 1 23 Rachet Yoke 1

4 Throttle Lever 1 24 Cylinder 1

5 Pin 1 25 Rotor 1

6 Valve Stem 1 26 Rotor Blade 4

7 0-ring 1 27 Front Plate 1

8 Spring 1 28 Bearing 1

9 Valve Plug 1 29 End Plate 1

10 Washer 1 30 Bearing 1

11 0-ring 1 31 Pin 1

12 Thread Ring Gear 1 32 Washer 1

13 Cap 1 34 Spring 1

14 Gear 3 35 Lock Pin 1

15 Pin 3 36 Rachet Pawl 1

16 Gear Plate 1 37 Pin 1

17 Crankshaft 1 38 Forward/Reverse Button 1

18 Anvil 1 39 Retainer Ring 1

19 Rachet Housing 1 40 Spring 2

20 Bushing 1 41 Steel Ball 2

21 Needle Bearing 1 42 Washer 1

1 43 1/4” Coupler 1

REV 06/06

Page 7

SKU 47706

Assembly Drawing

Actuation Pin

REV 06/06

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