Harman PP38+ - Manual (Page 20)

20 PP38+ Pellet Stove 3-90-08422R33_06/13
Maintenance
scraping the burn pot:
Whenever adding fuel to the hopper, take the time and
scrape the grate surface of the burnpot, using the scraper
tool provided. This can be done while a fire is burning.
Wearing heat resistant gloves, open the firebox door. Scrape
any accumulated ashes from in front of the fire, into the ash
pan. Now, scrape under the fire, in a downward direction, to
loosen any carbon deposits. Do not scrape the fire out of the
pot. Whatever you loosen will be pushed out with the flow of
new fuel into the pot.
removing ashes:
After approximately 1 ton of pellets has been burned, it will
be necessary to empty the ash pan.
disposal of ashes- ashes should be placed in a steel
container with a tight fitting lid. The closed container
of ashes should be moved outdoors immediately and
placed on a noncombustible floor or on the ground,
well away from all combustible materials, pending final
disposal. if the ashes are disposed of by burial in soil
or otherwise locally dispersed, they should be retained
in the closed container until all cinders have been
thoroughly cooled. other waste shall not be placed in
this container.
cleaning:
It is recommended that the stove is cold and shut down when
removing the ash pan.
1. Lift the latch handle to open the ash door and remove
the ash pan. Use ash pan handle to carry and dispose of
ashes.
2. Slide the ash pan back into the stove and latch the door
by pushing down on the latch handle when closed.
cleaning:
The stove should be shut-down and thoroughly cleaned after
each ton of pellets consumed. The cleaner the stove, the
more efficient it will be.
note: Fuel with higher ash and/or moisture content will
require more frequent cleanings.
1. Shut down the stove and
disconnect power cord to
insure that all motors are stopped.
2. Clean heat exchanger with scraper as shown in fig 27.
3. Brush or scrape the inside of the stove to remove fly ash.
4. Scrape burnpot with flat end of scraper provided with the
stove. Inspect the holes on the burnpot surface. See Fig.
33.
5. Open burn pot clean-out. Clean fly ash from burn pot and
replace cover.
Combustion
Blower Cover
Blower Cover
Latch
Fig 26
Scraper
Blower
Cover Latch
Blower
Wheel
Flue
Outlet
Heat Exchanger Fins
Fig 27