28. MACHINES READY FOR ATTACHMENTS For details of the path followed by the oil, see "30.2 HYDRAULIC CIRCUIT". Consult with the attachment maker to decide whether it is necessary to install an accumulator for the attachment circuit. For details of other precautions when handling the breaker, read and use correctly the instruction manual provided by the breaker manu- facturer. When using the breaker, the hydraulic oil deteriorates more rapidly than for normal oparations, so change the hydraulic oil and replace the element at a shorter interval. For details, see "23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER'.
28.2.2 WHEN USING GENERAL ATTACHMENT SUCH AS CRUSHER When the lock pin is set at the FREE position and the right pedal or left pedal (option) is depressed, the attachment is actuated. Precautions when using Check that the stopper valve is in the FREE position. Check that stopper bar for the selector valve spool is installed in the position for crushers and other general attachments. For details of other precautions when handling the breaker, read and use correctly the instruction manual provided by the breaker manu- facturer. PC130/150LPG-6K ENG 5-8