6-12
920509-645 Operator Manual Routine Maintenance
6.5.3 Clean Drain Discharge
Temperature Control Probe
Temperature control probe must be cleaned once every month as
follows:
1. Drain discharge side tank using Manual Control mode.
2. Lock disconnect switch in OFF position and close building sup-
ply valves.
3. Locate temperature control probe along side of discharge tank.
4. Loosen compression fitting nut and remove probe from dis-
charge tank.
5. Using a rag dampened with acid or descaler, remove hard water
deposits and debris from probe.
6. Reinstall probe and tighten compression fitting nut.
7. Re-energize washer utilities.
Figure 6-4. Manual Drain Valve
Manual Drain
Valve
WARNING – ELECTRIC SHOCK
HAZARD:
Disconnect all utili-
ties to washer before servic-
ing. Do not service washer
unless all utilities have been
properly locked out. Always
follow local occupational
health and safety regulations,
as well as electric and plumb-
ing codes.
WARNING – BURN HAZARD
:
• Allow unit to cool down
before performing any ser-
vice on mechanical compo-
nents and on piping.
Components and piping
become very hot during
operation.
• Pipes may be extremely
hot.
WARNING – CHEMICAL BURN AND/OR EYE INJURY HAZ-
ARD:
Wear gloves and eye protection when using a des-
caling product. Avoid contact with eyes or skin. If
spilled or splashed, flush with plenty of water for 15
minutes. If swallowed, DO NOT induce vomiting.
Administer an alkali with plenty of water. Seek medical
attention immediately.
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