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13-3
Service Procedures
Operator Manual
129373-496
13.8
Recommended
Spare Parts
To order replacement parts and/or supply products, proceed as follows:
1. Include the description and part/order number as listed in
Table 13-1
.
2. Include the model and serial numbers of your sterilizer on your order.
3. Send your order directly to the sales and service center serving your area.
Contact your sales representative for recommendations on cleaning products,
biological indicators, or parts that are not listed below.
NOTE: Use only STERIS authorized parts on this equipment. Use of
unauthorized parts will void the warranty.
The safety valves are to be tested periodically (refer to
Preventive Maintenance
Schedule at the beginning of Section 11).
•••••
Prevent damage during testing by ensuring that at least 75 percent of the rated
pressure is in the chamber. Check current pressure level by observing chamber
pressure gauge.
•••••
Open the try lever and hold the valve open for 1 to 2 seconds.
•••••
Allow the try lever to snap shut.
Any adjustments to the safety relief valve should performed by a qualified service
technician. Improper adjustments to this valve may result in inadequate sterilizer
operation.
13.7 Safety Valve
Test
WARNING – BURN HAZ-
ARD: Proper testing of
the safety valve requires
the valve to be operated
under pressure. Exhaust
from the safety valve is
hot and can cause burns.
Proper safety attire
(gloves, eye protection,
insulated overall) as des-
ignated by OSHA, is re-
quired. Testing is to be
performed by qualified
service personnel only.
CAUTION: Actuation at
less than 75 percent of
rated pressure can allow
debris to contaminate the
seat and cause the safety
valve to leak. A leaking
safety valve must be
Figure 13-2. Internal Pilot-Operated Solenoid Valve.
De-Energized
Energized
Moveable
Core
Spring
Solenoid Coil
Stationary
Core
Shading Coil
Core Tube
Housing
Bleed Orifice
Diaphragm
Body
Pilot Orifice
DIN
Connector
Prongs
OUTLET
INLET
OUTLET
INLET