General tension occurs among chain Links after a long-term use, and the most abrasion go on without being found easily. In order to avoid from chain breakage, regular check or inspection of CHAIN TENSION should be carried out.
¨ç METHOD OF CHAIN TENSION
Base 30 PITCH, after measure 3~5 place, compare and calculate maximum measured value with norm. But, that measure distance between PUSHER DOG and calculate according to number of link when is situation PUSHER DOG TYPE of line is good method.