How to do inspection test and maintenance of electric wrench?

Update:29-09-2020
Summary:

1 The metal shell of the electric wrench should be grou […]

1 The metal shell of the electric wrench should be grounded reliably, and the shell should have a periodic inspection and test certificate and be within the validity period.

 

2 Check the tightness of the screws on the body of the electric wrench. If the screws are found to be loose, they should be tightened immediately, otherwise the electric wrench will malfunction.

 

3 Check that the handles on both sides of the hand-held electric wrench are intact, not cracked or damaged, and the installation is firm Ratchet Wrenches.

Features of electric wrench:

 

(1) Long service life

 

(2) Good heat dissipation of the handle and case material

 

(3) High power

 

(4) Strong impact resistance

 

(5) The most cost-effective hand-to-use

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