MT VERNON-AE TROUBLE SHOOTING MANUAL
7020-057D
9-30-2010
PAGE 25
CLEANING & MAINTENANCE
Tools Needed:
Shop Vac* and Micro Cleaning Kit*; flat head
and Phillips screwdriver; 11/32 Nut-driver or wrench.
* Shop Vac and Micro Cleaning Kit
can be purchased at your local hardware store.
Figure 4
1. It is necessary to remove the baffle to gain access
to the heat exchanger. Complete instructions for
removing the baffle can be found in your Owner’s
Manual.
2. Vacuum the ash from the heat exchanger with an
upholstery brush to remove the majority of the ash.
Be sure to vacuum the back of the baffle also.
Inspect the drop tube and remove any residue build-
up in the drop tube.
Figure 2.
4. U
se the crevice tool to finish cleaning the heat
exchanger fins. It is critical that the 2 exhaust
exits the back of the firebox floor (left and right) be
thoroughly cleaned.
Figure 4.
There are several
ways this can done.
a. Use the crevice tool.
b. Attach a hose 1/2 inch (12.7mm) in diameter
and approximately 2 feet (607mm) in length to
your vacuum hose.
c. Use a bottle brush and push the ash down to
the bottom. Remove the combustion (exhaust)
blower and then vacuum out the ash.
Figures
5-8 on page 4.
2 exhaust exits (left and right side) must
be thoroughly cleaned. Each exit is
approximately 4 inches wide, 1 inch
across and 3 inches deep.
3. Assemble the crevice tool from the Micro Cleaning
Kit to attach to a Shop Vac.
Figure 3.
Figure 2
Figure 3
Figure 1 - Example of a dirty heat exchanger
