This Operation and Maintenance Manual was written to give owner or operator instructions on safe operation and maintenance of DOOSAN equipment. READ AND UNDERSTAND THIS OPERATION AND MAINTENANCE MANUAL BEFORE OPERATING YOUR DOOSAN EQUIPMENT. Keep this manual in the cabin so it is always available. If it is lost, order another one from your DOOSAN distributor. If there are any questions, contact your DOOSAN distributor. This manual may illustrate options and accessories not installed on your equipment. Any modification made without written authorization or approval from DOOSAN can create a safety hazard. Always replace parts with genuine DOOSAN parts or DOOSAN authorized replacement parts.