28. MACHINES READY FOR ATTACHMENTS 28.2 HYDRAULIC CIRCUIT Change-over hydraulic circuit When the machine is equipped with an attachment or a bucket, set stop valve as follows Stop valve Attachment Stop valve Breaker etc. | ©=p Crusher etc. I Wh en not t use used ©) I ©) OPEN CLOSED CLOSED NOTICE ¢ The set pressure of the relief valve is set to 24500 kPa (250 kg/ cm?, 3550 psi) as standard when delivered from the factory. PC160/180/200-6k-ENG lf a breaker by another manufacturer is installed, adjustment is required. Consult your Komatsu distributor. 5-/