CONCRETE PIPE Concrete Pipe Gasket Installation gaskEt InstallatIon - PIPE Gasket Installation Wedge Gasket 2100-3000mm Pipe Self-Lube Gasket 450-1200mm Pipe 1950mm Pipe Gasket Spigot O-Ring Gasket 300-375mm Pipe C361 Pipe Gasket Spigot Gasket Spigot Carefully clean all dirt and foreign substances from the jointing surface of the bell or groove end of pipe. Carefully clean all dirt and foreign substances from the jointing surface of the bell or groove end of pipe. Lubricate bell jointing surface liberally. Use a brush, cloth, sponge or gloves to cover entire inside surface. Only approved lubricant should be used. Carefully clean spigot or tongue end of pipe, including the gasket recess. Carefully clean spigot or tongue end of pipe, including the gasket recess. Lubricate the spigot or tongue end of pipe, especially the gasket recess. Lubricate the gasket thoroughly before it is placed on the spigot or tongue. Fit the gasket carefully. Equalize the rubber gasket stretch by running a smooth, round object, inserted between gasket and spigot, around the entire circumference several times. Align bell and spigot of pipes to be jointed. Before homing the joint, check that the gasket is in contact with the entry taper around the entire circumference. Make sure pipe is aligned. Align bell and spigot of pipes to be jointed. Before homing the joint, check that the gasket is in contact with the entry taper around the entire circumference. Make sure pipe is aligned. PAGE 62 LAFARGE PIPE eMANUAL