Although this is for a different model, it has helped me with my A701A (though I would not use the 'maximum capacities' information without checking another source first for fear of overheating your machine):
http://72.14.253.104/search?q=cache:9t8iqjyRWv4J:www.kenwoodworld.com/datasheets/KMC550--instructions-KMC500-KMM700.pdf+how+to+insert+k+beater&hl=en&gl=nz&ct=clnk&cd=1
Catherine
March 2007