3 How to Connect RS Roller Chain
For easy connection and installation: 1. Wind the chain around one of the sprockets so that the free ends are separated by one sprocket tooth. 2. Insert the connecting link into the two end links of the chain. 3. Install the free connecting link plate and fasten the plate using the spring clip or cotter pin fasteners supplied. If layout prevents the use of sprocket teeth: 1. Wind the chain around the sprockets so that the free ends come together in the area between the sprockets. 2. Pull the chain ends together and insert the connecting link using a chain puller or by hand. 3. Install the free connecting link plate, then insert and secure the fasteners. For both methods, be sure to tap the ends of the chain pins after the fasteners have been inserted. By tapping the ends of the pins, the fasteners will rest snugly against the outside of the connecting link plate. This will help the chain to flex freely and smoothly as it goes around the sprocket and allow better penetration of lubricant and greater fastener life. An offset link must be used when an odd number of pitches is required. However, because the allowable working load is considerably lower than that of the base chain or standard connecting link, the use of offset links should be avoided if possible. Instead, it is better to add one link and take up the extra slack by varying the center distance between the shafts or installing an idler. Notes: 1. The gold-colored connecting link is made to fit exactly with the pin. Do not make the link plate holes larger or the diameter of the pin smaller, as doing so may damage the chain or reduce its life and performance. 2. For cotter pin type construction, a regular pin link can be used as a substitute for the connecting link. To prevent chain damage or increased wear, the pin link must be carefully driven onto the pin parallel to the connecting link.
Figure 3-1: Connecting RS Roller Chain on a Sprocket
H OW TO CONNECT RS R OLLER C HAIN 5
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