Notes about and operation of the sterilizer in G147
Documentation inside door.
Original machine built Summer of 1983.
Rebuilt early 2000.
Net price of rebuilt machine including trade-in $28,381.44.
Inspected by BC Safety Authority 2004.
MAJOR PARTS OF THE MACHINE
Boiler, chamber, control system.
Main switch on wall; do not touch;
Standby/Power switch on console; user operated.
Cycle selector buttons on console; user operated.
Boiler, chamber, jacket.
Hi/Low, steam, flush.
STATES OF THE MACHINE
Off: [main switch on wall].
Standby: power to computer but boiler is cold; [console switch].
Powered: boiler at full temperature and pressure; [console switch].
Running: cycle under control of computer; [started by console button].
Raise from standby state to powered state. Approximately 20 minutes.
If you have not marked the log, do that while waiting.
Flush boiler at 10-15 psi after about 10 minutes warmup.
Load. A liquid should always be in a stainless steel tub.
Close and seal door. Note double hinge.
Choose one of the four cycles. Flash is a rapid cycle for solid material only.
The Liquid cycle has long heating and cooling gradients.
Check parameters. Check parameters. Check parameters. Adjust if necessary.
Check Hi/Low valve. Change if necessary.
|TEMP=250 F|| |
When cycle is complete, open door. Observe instruction on display.
Record any abnormal observation in log.
Opening the flush valve when the boiler is at operating temperature
can cause a small burn from a water droplet.
A sealed bottle is likely to explode. Do not heat an enclosed fluid.
Use the Liquid cycle when appropriate.
Operating with no record in log: ask user to update log.
Alarm: press reset. If chamber fails to cool, shut off steam supply.
Correct the problem and start cycle again.
Door mechanism is stuck: press center hub in.
Door will not open: look for loose screw on lower edge of cover.
Door will not close: look for loose screw on lower edge of cover.
Leakage of steam: report to Jen or Peter.
Water splashing out of settling tank, probably from flushing at too
high a pressure: skip the flush when pressure exceeds 20 psi.
Written, 2008-05-09, Peter E.