Dynex OPSYS MW 91000051 - Manual (Page 89)

Service Procedures
Chapter 8 Service
Service Procedures
The only user service procedures that can be carried out for the Opsys
MW™ are listed below:
• Removal and replacement of the wash head assembly
• Cleaning of the wash head assembly
To remove the wash head assembly:
1. Loosen the two thumbscrews at the front of the Arm/Head
assembly.
2. Grasp the wash head assembly and lift it up from the retaining
pins on the Arm.
3. Lift the wash head and tubing clear of the instrument. If
necessary, remove the wash tubing and waste tubing from the
retainer clips at the front of the instrument.
To clean the wash head assembly:
1. Pass the Cleaning Wire through the inside of each wash pin and
waste pin on the wash head.
2. Run a PURGE to rinse any material from the wash pins.
To replace the wash head assembly:
1. Position the wash head assembly back on the Arm pins.
2. If necessary, replace the wash tubing and waste tubing into the
retainer clips at the front of the instrument.
Opsys MW™ User’s Guide 81