Enviro EF THERMO 28 CE2005 - Manual (Page 11)

11
Routine Cleaning and Maintenance
�
�
HEAT EXCHANGER AND INTERNAL EXHAUST TUBES:
ONLY TO BE CLEANED WHEN THE UNIT IS COLD. Clean away any fly ash that may have collected
in and on the tubes. As different types of pellets produce different amounts of ash, cleaning of the tubes
should be done on a regular basis to enable the unit to run efficiently.
1. Remove the top by loosing the two (2) screws at the back and remove the two (2) under the hopper
lid shown in Figure 9. Pull the top up at the back and slide it forward.
2. Remove the cab sides by loosing the three (3) T-20 screws on the back of each side (see Figure 9).
Remove the ash drawer cover and ash drawer (see Figure 8) then remove the T-20 screws from the
two (2) front tabs (see Figure 10) .
3. Remove the heat exchanger cover from the top of the stove by removing the screw on each side
shown in Figure 11.
4. With the heat exchanger cover
removed, the heat exchanger tubes
can be cleaned. Scrub the top surface
of the heat exchanger.
5. Clean the tubes referred to in Figure
12 as #1; one on each side. Use a
3” (75 mm) cleaning brush to scrub
the tubes from top to bottom until
buildup is removed.
6. Clean the tubes referred to in Figure
12 as #2; nine total. Use a 2” (50
mm) cleaning brush to scrub the
tubes from top to bottom until all
Figure 9
Figure 11
Figure 10
Figure 12
buildup is removed.
7. With the cab sides
removed, you will
see a clean-out
cover on each side
(see Figure 11),
remove the two (2)
T-20 screws from
the cover. Vacuum
out all ash from
behind the cover.
8. Open the door and
scrub the inside of
the firebox.
9. Vacuum up all loose
ash that has been
brushed off from all
areas.
10. Re-install the clean-
out covers, the heat
exchanger cover,
the cab sides and
the top.