6-9
Routine Maintenance
Operator Manual
122993-622
NOTE: Piping tools are required. Contact facility maintenance technician.
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 corroded.
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 reassembly.
8.
Re-energize washer utilities.
1.
Lock disconnect switch in
OFF
position and close building supply valves.
2.
Lower water level in wash recirculating tank to below probe opening.
3.
Loosen compression fitting nut and remove probe from recirculating tank.
4.
Using a rag dampened with acid or descaler, remove hard water deposits
from probe.
5.
Reinstall probe and tighten compression fitting nut.
6.
Re-energize washer utilities.
6.5.2 Clean Building
Supply-Line Strainers
WARNING – ELECTRICAL
SHOCK AND/OR BURN
HAZARD: Disconnect all
utilities to washer before
servicing. Do not service the
washer unless all utilities
have been properly locked
out. Always follow local
electrical safety-related
work practice standards.
WARNING – BURN HAZARD:
•
Before performing any ser-
vice on the unit, wait until
chamber and piping cool to
room temperature.
•
Pipes may be extremely hot.
6.5.3 Clean Wash
Temperature Control
Probe
WARNING – ELECTRICAL
SHOCK AND/OR BURN
HAZARD: Disconnect all
utilities to washer before
servicing. Do not service the
washer unless all utilities
have been properly locked
out. Always follow local
electrical safety-related
work practice standards.
WARNING – BURN HAZARD:
Before performing any ser-
vice on the unit, wait until
chamber and piping cool to
room temperature.
WARNING – CHEMICAL
BURN AND/OR EYE INJURY
HAZARD: Detergents are
caustic and can cause ad-
verse effects to exposed
tissues. Do not get in eyes,
on skin, or attempt to swal-
low. Read and follow the
precautions and instruc-
tions on the detergent label
and in the Material Safety
Data Sheet (MSDS) prior to
handling the detergent, re-
filling the detergent con-
tainer, or servicing the de-
tergent injection pump.
Wear appropriate Personal
Protective Equipment
(PPE) whenever handling
the detergent or servicing
the detergent injection
pump and lines.
