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SERVICE

person using only identical replacement parts. 

This

will ensure that the safety of the power tool is maintained.

 Never  service  damaged  battery  packs. 

Service

of  battery  packs  should  only  be  performed  by  the

manufacturer or authorised service providers.

SPECIFIC SAFETY RULES FOR 

RATCHETS

• Do not use a battery pack or tool that is damaged or

risk of injury.

• 

• Follow all charging instructions and do not charge 

the battery pack or tool outside the temperature

Charging im-

• Hold the power tool by insulated gripping surfaces,

when performing an operation where the fastener

may contact hidden wiring. 

Fasteners contacting a

“live” wire may make exposed metal parts of the power 

tool “live” and could give the operator an electric shock.

• 

• lead from lead-based paint


 

Maintain  labels  and  nameplates. 

These  carry

important information. If unreadable or missing, contact

MILWAUKEE

®

 service facility for a replacement.

WARNING

Some dust

sawing, grinding, 

 creat

drilling, 

ed by power sanding,

and other

 

construction activities contains chemicals known to 

cause  cancer,  birth  defects  or  other  reproductive

harm. Some examples of these chemicals are:
 crystalline  silica  from  bricks  and  cement  and  other

masonry products, and

 arsenic and chromium from chemically-treated lumber.

Your risk from these exposures varies, depending on

how often you do this type of work. To reduce your

exposure to these chemicals: work in a well ventilated

area, and work with approved safety equipment, such 

as those dust masks that are specially designed to

SYMBOLOGY

FUNCTIONAL DESCRIPTION

Volts

Direct Current
No Load Revolutions per Minute (RPM)

Lock Switch

1. Paddle switch

2. Lock switch

3. LED

4. 3/8" square drive anvil

5. Forward/reverse toggle

6. Fuel gauge

7. Handle

Do not expose a battery pack or tool to fire or 

excessive temperature. 

Exposure to fire or 

temperature above 130°C (265°F) may cause 

explosion.

Always use common sense and be cautious 

when using tools. I

t is not possible to anticipate 

every situation that could result in a dangerous 

outcome. Do not use this tool if you do not 

understand these operating instructions or you feel 

the work is beyond your capability; contact 

MILWAUKEE

®

 Tool or a trained professional for 

additional information or training.

ADDITIONAL BATTERY SAFETY RULES

WARNING

WARNING

To reduce the risk of fire, personal 

injury, and product damage due to 

a short circuit, never immerse your tool, battery 

pack or charger in fluid or allow a fluid to flow inside 

them. Corrosive or conductive fluids, such as 

seawater , certain industrial chemicals, and bleach 

or bleach-containing products, etc., can cause a 

short circuit.

Do not charge non-rechargeable 

batteries.

SPECIFICATIONS

Cat. No. .............................................. M12 FHIR38

RPM

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0 - 450

Torque Range ........................................ 0-47.5 Nm

Square Drive Anvil ............................................ 3/8"

Volts........................................................... 12V DC

Battery Type .................................................M12™

Charger Type................................................M12™

Recommended Ambient 

   Operating Temperature ......................-17°C to 51C

4

5

6

7

3

2

1

3

Do not dispose of electric tools 

together with household waste 

material. Electric tools and electronic 

equipment that have reached the end 

of their life must be collected 

separately and returned to an 

environmentally compatible recycling 

facility.

Regulatory Compliance Mark (RCM). 

This product meets applicable 

regulatory requirements.

Read operator’s manual.

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