4. Reassemble the truck and motor, being careful not to pinch any wires betweenthe truck block and motor mount.5. After repeating the procedure for the other motor, reassemble the chassis andbody, being careful that the wire harnesses are not caught between the chassis andbody, and reinstall the body mount screws.Lubricate the outside truck block idler and drive gears with grease. Use thediagram (shown below) as a guide and add grease to the points marked.RailKing R142 5-Car Subway Set14Greasing The Idler Gears Grease Idler Gears (G)Cleaning The Wheels, Tires, and TrackPeriodically check the locomotive wheels andpickups for dirt and buildup, which can causepoor electrical contact and traction andprematurely wear out the neoprene traction tires.Wheels and tires can be cleaned using denatured(not rubbing) alcohol applied with a cotton swab.To clean the track, use RailKing Track CleaningFluid found in Maintenance Kit (30-50010) ordenatured (not rubbing) alcohol and a clean rag.Unplug the transformer and wipe the rails of thetrack, turning the rag frequently to ensure thatyou are using clean cloth on the rails. Thereafter,keep an eye on the track and clean it when it getsdirty to ensure good electrical contact and tolengthen the life of the tires.Clean any type of track with this heavy-duty trackcleaning block ( . Durably constructedfrom ABS plastic, the block includes a built-incleaning pad. For really stuborn track, you caninsert sandpaper into the block in just a few quick steps.40-1099)Track Cleaning Block (40-1099)Maintenance Kit (30-50010)