DS21 & DS21M / DS19A & DS19MA Repair Manual — Page 29

518.Add.1. Iwi. HOW TO USE THE MORE USUAL ADHESIVES METHOD OF USE The drying time before joining two parts together depends on the ambient temperature. Generally any times given are based on a temperature of between 18 and 20°C (65-68°F), Generally speaking, an adhesive MUST BE LEFT DRYING until, although still "tacky", it will not stick to the fingers if touched very lightly.