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TY - UNPB AU - Thiel, A. ED - Casas, Joan ED - Schaa, Volker RW ED - Costa, Isidre ED - López, David ED - Prieto, Montserrat TI - Insertion Device Installation Status at MAX IV J2 - Proc. of MEDSI2016, Barcelona, Spain, 11-16 September 2016 CY - Barcelona, Spain T2 - Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation Conference T3 - 9 LA - english AB - At present the first five insertion devices have been installed in the 3GeV-ring of MAX IV. Two of these are in house built Apple II devices with period lengths 48mm and 53mm. These two undulators cover the entire available straight section length and are designed for a minimum mechanical gap of 11mm. The flat extruded aluminium vacuum chamber is supported by 5 points of suspension in order to minimize bending effects. Magnetic and mechanical shimming was finished and both undulators have been fiducialized before the installation. The final alignement in the ring bases on their magnetic centre as reference. With the weight of 13.5t per undulator ground transportation was demanding. A special transport frame has been designed and mounted to ease air cushion and fork lift transport. PB - JACoW Publishing CP - Geneva, Switzerland ER -