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Power supply 

 

6. Operation 

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Connect the power cord to the driver as shown below, twist the knob on the power cord to secure it onto 
the driver. Do not force the connection as this can cause damage to the driver and power cord. 

      

 

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To avoid accident and injury, check driver’s torque setting, and make sure that the work piece is fixed 
firmly before operating. 

 

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Change torque settings: The driver comes with torque cover installed to prevent tampering of torque setting. 
To remove the torque cover, first loosen the set screw located at the end of the front cover with included 
allen key and remove the entire cover by turning it counterclockwise. Remove the Philips screw on the cover 
and push out the inner torque cover from the back end. Reinstall the remaining cover, and now you will 
have access to change the torque setting.  
 
 
 

 
 
 
 
 
 
 
 
 
 
 

Model 

Volume (mm) 

Load 

Voltage 

(AC) 

Output 

Voltage

(DC) 

Weight 

(g) 

Safety Approved 

Feature 

Length Width Height 

APS-351B 164  64  42 100-240V 

25-35V 300 

CB,CE,UL(CUL), 

ROHS,REACH 

Adjustable  

stepless output  
voltage 

Available Input 

Voltage 110-
240VAC 

Automatic device 

application  

 

  AM-45 

172 

84 

61 

100-240V 

25-35V 

450 

CB,CE,UL(CUL), 

ROHS,REACH 

Screw fastening 

check 

 Screw counting 

      

Set screw 

Philips screw 

Torque cover 

Engraving ring 

 

Summary of Contents for AT-2000

Page 1: ...drivers Instruction Manual Applicable Models AT 2000 AT 3000 AT 4000 AT 4500 Thank youfor purchasing the CHP electric screwdriver In order to ensure maximum performance and product life please read this manual before operating your screwdriver ...

Page 2: ...2 Table of contents General Safety Warnings Care Maintenance Read Before use Declaration of Conformity CE Product information Operation Troubleshooting After use 03 03 03 04 04 05 07 08 ...

Page 3: ...t use the power tool if the switch is malfunctioning Disconnect the power source before making adjustments changing accessories or storing the tool Keep the tool away from children or untrained personnel Periodically check for any misalignment or binding of moving parts breakage of parts and any other condition that may affect the operation Keep the screw bits clean before and after use Only use c...

Page 4: ...rush 2 Instruction manual Specifications Model AT 2000 AT 3000 AT 4000 AT 4500 Power source 35VDC Torque range kgf cm lbf in 0 3 2 0 0 26 1 7 0 5 5 0 0 43 4 3 1 0 6 0 0 87 5 2 1 5 10 0 1 30 8 7 No load speed rpm 450 700 450 700 450 700 450 700 Torque setting Stepless Available Screw Machine Screw mm in 1 0 2 2 0 04 0 09 1 0 2 6 0 04 0 10 1 4 2 6 0 06 0 10 2 0 3 0 0 08 0 12 Tapping Screw mm in 1 0 ...

Page 5: ...ocated at the end of the front cover with included allen key and remove the entire cover by turning it counterclockwise Remove the Philips screw on the cover and push out the inner torque cover from the back end Reinstall the remaining cover and now you will have access to change the torque setting Model Volume mm Load Voltage AC Output Voltage DC Weight g Safety Approved Feature Length Width Heig...

Page 6: ...h the direction after the screwdriver has completely stopped Secure screwdriver during operation During operation hang the screwdriver securely from balancer in order to prevent damage to driver and power cord When the selected torque is reached The driver features internal clutch assembly When a screw is fastened and the selected torque has been reached the clutch assembly will automatically dise...

Page 7: ...d lift the carbon brush fastener spring Loosen and pull the carbon brush guide cord to remove the carbon brush Do not remove the insulation tape on the brush cover Insert a new carbon brush and then follow the above steps in reverse order 7 Troubleshooting If the screwdriver does not work properly check the list below If you cannot solve the problem do not open the unit Contact one of our authoriz...

Page 8: ...ur specifications If not change the bit to one that does Check that the bit is inserted tightly into two guide channels within the bit shaft If not remove the bit and re insert it tightly If the bit tends to wobble remove the bit rotate it 60 or 180 degrees and re insert it If the screwdriver doesn t stop when the selected torque is reached Excessive torque setting can cause the screw to strip thr...

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