SEAM009 0 01 PC300,300LC -6 PC350,350LC -6 HYDRAULIC EXCAVATOR SERIAL NUMBERS and up PC300, 300LC-33001 PC350, 350LC-12001 Unsafe use of this machine may cause serious injury or death. Operators and maintenance personnel must read this manual before operating or maintain- ing this machine. This manual should be kept near the machine for reference and periodically reviewed by all personnel who will come into contact with it. NOTICE Komatsu has Operation & Maintenance Manuals written in some other languages. If a foreign language manual is necessary, contact your local distributor for availability.