16. Preventive Maintenance
16.2 RECOMMENDED MAINTENANCE
16.2.1 Routine
Any time other work is being done on the Instrument, the
following should also be done.
• Check and repair, replace, adjust or tighten as required:
Hydraulic leaks
Worn parts
Loose parts and connections
Discolored wires, terminals, relay contacts, and tubing
• Inspect valves, switches, motors, relays, circuit breakers,
etc., for signs of water leaking onto the component.
Replace wetted components.
• Clean or replace concentrate line filters
• Inspect concentrate fitting O-rings and replace as needed
• Inspect dialyzer connector O-rings and replace as needed
• Check fan filter and clean or replace as needed
16.2.2 Annual
• Replace internal arterial and venous level adjust/pressure
monitoring system transducer protectors.
• Replace UF flow meter diaphragm (J040700).
• Clean Instrument interior (including dust removal and fan
filter).
• Clean blood leak detector lenses.
• (Every two years) Replace flow equalizer diaphragms
(J0171700).
• Perform all functional verifications (see Section 19), and
calibrate as necessary.
16.2.3 As Required by Local Code
Check:
• Line cord ground continuity
• Leakage current
16.2.4 Before Prolonged Storage
• Disinfect and drain the fluid path.
Refer to Section 9, Disinfection, for fluid path disinfections, and
Section 28, Installation, for instructions on long-term storage.
157-1278-923 Rev A 16-5
February 2004
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