i have a air compressor of HITACHI 2000 SERIES but i haven't his manaual book so plz mail me on my id that which lubricant running in compressor and also tell me the which grades compare with these lubricant which now ruuning on it.so plz mail me and recomand me that which lubricant i use in it bcz i drain the oil from compressor and entering the new oil. my id engg_adeel86@yahoo.com waqarbaig16@yahoo.com(from pakistan) compressor install in COLGATE PAKISTAN