BEST 9K Series Service Manual - Locksmith Security Association of ...

Service and MaintenanceTo replace the lever return spring:1. Position the lever return spring so that the flat section of the springfaces toward the hub, as shown in Figure 3.19.HubFlat section facestoward the hub.Flat section ofthe lever return springFigure 3.19Positioning the lever return spring2. Raise the key release cam assembly or non-keyed sleeve assemblyslightly, and insert the lever return spring so it fits under the ears onthe key release cam assembly or non-keyed sleeve assembly. Thebottom end of the lever return spring should line up with the edgeof the recess in the hub, as shown in Figure 3.20.Top end of the lever return springRecess in the hubBottom end of the lever return springEar on the key release cam assemblyFigure 3.20Inserting the lever return spring3. Use the KD340 spring loading tool or a pair of needle-nosed pliers topull the top end of the lever return spring around to rest against theother edge of the recess in the hub, as shown in Figure 3.20.Note: Make sure that the lever return spring does not separate andride onto the top of the sleeve.3–12 9K Series Service Manual