2-PC BOOM ATTACHMENTS AND OPTIONS TESTING AND ADJUSTING 6 INSPECTION AND MAINTENANCE 6 To use the machine safely, and to prevent failures before they occur, always carry out checks before starting and periodic maintenance. The locations for periodic inspection are as shown in the dia- gram below. P B A B A R A Cracks at end of weld (checks before starting). P R Play, wear of pins (every 1000 Hours). B Furrows in base metal (checks before starting). NOTICE If any abnormality is found during inspection, please con- tact your Komatsu distributor.
For details of inspection and maintenance items for the chassis other than those listed above, MAINTENANCE (4-1) PERODIC MAINTENANCE 6 q Changing the hydraulic oil When changing the hydraulic oil, set the work equipment in the posture shown below. q Hydraulic oil capacity for the 2-piece boom machine is 130 litres. q Periodic maintenance required is the same as mono-boom machine. 6-32