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Section 3
Maintenance
Routine maintenance maximizes operating
efficiency and minimizes downtime. The
maintenance procedures described below will
prolong the life of the machine and help
prevent accidents.
Daily, weekly, monthly, and quarterly
checklists are provided at the end of this
section. Laminate the checklists to preserve
them for repeated copying. Operators and
technicians are encouraged to add checks
specific to their machine’s particular
application. When possible, space is provided
on the checklists for this purpose.
The following maintenance procedures
must be performed regularly at the
required intervals.
Daily
Beginning of Day
1. Inspect water inlet valve hose
connections on the back of the machine
for leaks.
2. Inspect steam hose connections for leaks,
where applicable.
3. Verify that insulation is intact on all
external wires and that all connections are
secure. If bare wire is evident, call a
service technician.
4. Check door interlock before
starting operation:
a. Attempt to start the washer with the
door open. The washer should not start
with the door open.
b. Close the door without locking it and
attempt to start the washer. The washer
should not start with the door unlocked.
c. Close and lock the door and start a
cycle. Attempt to open the door while
the cycle is in progress. The door
should not open.
If the door lock and interlock are
not functioning properly, call a
service technician.
The AC drive box cover and fan filter must
be in place for the fan to properly cool the
AC inverter drive. Failure to observe this
warning will void the warranty and could
lead to expensive AC inverter drive repair.
SW038
WARNING
Replace all panels that are removed to
perform service and maintenance
procedures. Do not operate the machine
with missing guards or with broken or
missing parts. Do not bypass any
safety devices.
SW019
CAUTION