natus Olympic Warmette 48, Instruction Manual, Page: 26 / 50

4-4 Olympic Warmette Models 48/49 and 55/56 Instruction Manual
Annual Maintenance
Cleaning the Blower Housing and Blower Wheel
Required Items:
„
Vacuum cleaner
To clean the blower housing and blower wheel:
1
Access the blower housing (see Replacing the Blower on page 6-9 for
disassembly instructions).
2
Vacuum accumulated dust and debris.
3
Reassemble the Warmette.
Cleaning the Heater Plenum and Box
Required Items:
„
Vacuum cleaner
To clean the heater plenum and box:
1
Access the heater plenum (see Replacing the Heater on page 6-12 for
disassembly instructions).
2
Vacuum accumulated dust and debris.
3
Reassemble the Warmette.
Testing the Thermal Cut-out Function
To verify that the function of the thermal cut-out does not degrade over time,
perform the following procedure annually.
Required Items:
„
1/4-in. nut driver
„
Amp probe
„
6 x 6 in. metal plate
To test the thermal cut-out function:
1
Press the power switch to the
OFF
(O) position, then unplug the power cord.
2
Loosen — but do not remove — the screws inside the Warmette door, behind the
door stop (see Figure 6.3, Screw locations inside Warmette door , on page 6-9).
3
Pull out and remove the front panel (see Figure 6.4 on page 6-9).
4
Plug in the power cord, then press the power switch to the
ON
(|) position.
CAUTION
Electrical shock hazard when the front panel is removed.