Chain link 331/21573 JCB, aftermarket

For the JCB machines: chain link 331/21573, an aftermarket part. According to the product card, this part is a chain link.

Fasteners differ in size, material, plating and strength grade. Even if it looks the same, a part of a different grade may not withstand the load. The part is therefore chosen by number or by the dimensions of the old one, and removed fasteners are checked for damage and corrosion before they are refitted.

Specifications

Compatibility

According to the product card, 331/21573 is a fastener. Fit is confirmed by the part number. Other parts are in Fasteners.

Fitting

Before fitting the bolt, clean the threaded hole and remove any old thread-locker. Where required, apply the specified thread-locker or oil to the threads and tighten the bolt with a torque wrench to the specified value. In joints with several bolts, tighten them in a cross pattern and in stages.