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Air Impact Wrench

Part 

Number

Square 

Drive

Capacity 

Bolt Size

Free 

Speed

Working 

Torque

Overall 

Length

Air 

Inlet

Air 

Hose

Average Air 

Consumption

Net 

Weight

Imp

(“)

Met 

(mm)

RPM Ft/Lb N.m. Imp

(“)

Met 

(mm)

ID

cfm

l/min

lbs Kg

AP7451

1/2”

5/8”

16

7,500

450

610

7.48

190

1/4”

3/8”

6.5

183.9

4.2 1.9

• Twin hammer mechanism has 2 identical hammers that deliver an

instantaneous balanced blow, reducing vibration and transferring more 

torque to the drive than any other mechanism on the market.

• Provides more power and smooth balanced blows.

• Screened filter air inlet keeps dirt and debris from damaging the tool.

• Rear exhaust.

• Recommended air pressure 90 psi.

1/2” Square Drive - Twin Hammer

Summary of Contents for AP7451

Page 1: ...7 500 450 610 7 48 190 1 4 3 8 6 5 183 9 4 2 1 9 Twin hammer mechanism has 2 identical hammers that deliver an instantaneous balanced blow reducing vibration and transferring more torque to the drive...

Page 2: ...ose diameter should be 3 8 I D 7 Keep hose away from heat oil and sharp edges Check hose for wear and make certain that all connections are secure Lubrication An in line filter regulator lubricator wi...

Page 3: ...ecifically designed for use with impact wrench 2 Connect the air tool to the air hose 3 Place the socket over the subject nut and depress the trigger to operate the air tool 4 To change direction push...

Page 4: ...able Air flow blocked by dirt Repeat above if needed If tool will not run and air flows freely from exhaust One or more motor vanes stuck due to material build up Pour lubrication oil into the tool ai...

Page 5: ...dangerous 5 WARNING Check correct air pressure is maintained and not exceeded 90psi recommended 6 Keep air hose away from heat oil and sharp edges Check air hose for wear before each use and ensure th...

Page 6: ...assessed for each use 3 Ensure that the workpiece is securely fixed Entanglement Hazards 1 Entanglement hazards can result in choking scalping and or lacerations if loose clothing personal jewellery n...

Page 7: ...or changing the inserted tool or accessory 2 Avoid direct contact with the inserted tool during and after use as this increases the risk of cuts burns or vibration injuries 3 Use only sizes and types...

Page 8: ...respiratory protection in accordance with employer s instructions and as required by occupational health and safety regulations Safety Rules and Hazards Noise Hazards 1 Unprotected exposure to high n...

Page 9: ...nstruction handbook to prevent an unnecessary increase in vibration levels 6 Do not use worn or ill fitting sockets or extensions as this is likely to cause a substantial increase in vibration 7 Selec...

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