6-8
122998-741
Operator Manual
Routine Maintenance
6.4.2 Remove Hard Water
Deposits from Chamber and
Accessories
NOTE: Depending on hardness of water being used, it may be neces-
sary to remove hard water deposits more often. Remove deposits
from chamber and material handling accessories whenever deposits
become visible.
1.
If desired, place empty accessory rack in chamber.
2.
Turn off detergent supply pump (not supplied by STERIS).
3.
Pour one quart of a descaling liquid into chamber sump and
close door.
4.
Press
MANUAL MENU
to access Manual Control mode.
5.
Select and start Pump/Drive function.
6.
Let washer run for 15 minutes, then press
STOP/RESET
.
7.
Once hard water deposits are removed, select and start Drain
function to drain descaler solution from sump.
8.
Manually fill and drain chamber sump again to remove any resi-
due.
9.
Press
STOP/RESET
to exit Manual Control mode and turn on
detergent supply pump.
6.5 Quarterly
Maintenance
6.5.1 Clean Building Supply-
Line Strainers
1.
Set
POWER-OFF/STANDBY
switch to
OFF/STANDBY
. Lock
disconnect switch in
OFF
position and close building supply
valves.
2.
Remove hex caps from each strainer body.
3.
Pull out strainer screen from body.
4.
Using a wire brush or steel wool, scrape all rust and residue from
strainer screen and body. Ensure all perforations are clear by
poking open with a wire. Replace screen if damaged or cor-
roded.
5.
Verify no dirt or other particles remain in strainer body and insert
screen into strainer body.
6.
Using pipe joint sealing compound, replace and tighten hex
cap.
7.
Verify all pipe connections are tight and leak free after reassem-
bly.
8.
Re-energize washer utilities.
WARNING – ELECTRIC SHOCK
HAZARD: Always set building
electrical-supply disconnect
switch and console master
power switch to OFF" before
performing any preventive
maintenance functions within
compartments. Electrical
shock can cause serious
injury.
WARNING – BURN HAZARD:
• Before performing any ser-
vice on unit, wait until
chamber and piping cool to
room temperature.
• Pipes may be extremely
hot.
