Cuvier-Hammer LL. 36-654-1 Instructions for Fuse Refills Fig. 6 Fig. 8 INSTRUCTIONS FOR REPLACING AND INSERTING FUSE REFILLS Step 1. Loosen cap nut with wrench and remove from top of householder (Fig. 1. Step 2. With the use of refill tool, loosen and remove contact ring from bottom of the fundraiser (Fig. 2). Step a. Remove shunt and spring assembly (Fig. 3) and unscrew used refill A caution DO NOT USE ANY TYPE OF TOOL TO TIGHTEN REFILL. Step 4. (Figs.