MMD Equipment 185S-5C2 part 2 - Manual (Page 16)

5. Periodic Inspection/Maintenance
5-16
5.5.24 Check Pressure Control Valve O-Ring and Piston
[3,000 hours or every 3 years ]
Disassemble and clean the component, and check O-ring“1”,“2” and the piston“4” shown in
5.5.23 Then, replace O-ring“1”,“2” and rubber on the piston“4”, if they are hardened.
（See 5.4）
After replacement, run the machine to check its function (See 5.5.23), air-leak or any disorder.
Replacement of O-ring requires expert technical knowledge. So contact directly us or distributor.
5.5.25 Change Radiator Hoses
[3,000 hours or every 3 years ]
When any crack or wear is found on the hoses, change it even before the scheduled time.
Replacement of the radiator hoses requires expert technical knowledge. So contact directly us or
distributor.