Replacing Parts - Cumberland Stove Works MF3800 Installation And Service Manual

REPLACING PARTS

Hopper Switch Kit (P/N 710013)
• Remove right side panel by reaching through the air
filter opening with your right hand and pushing against
the inside and outside of the side panel with both hands,
lifting up and moving bottom of panel out then down.
• Separate the round spade terminals connecting hopper
switch wires.
• Open the hopper lid, reach in, and push the switch up out
of its holder.
• Remove the rubber grommet and feed the wires out of the
holes.
• Feed the wires from the new switch back through the
holes and replace grommet.
• Push the new switch into holder and plug back into wire
harness.
Over Limit Switch (P/N 720085)
• Remove right hand side panel. The switch is located next
to and slightly below the vacuum switch.
• Remove the spade terminals, remove the screws holding
the switch using ¼'' socket wrench.
• Install new switch and plug wire terminals from harness
back onto switch.
Auger Over Temp Switch (P/N 720100)
• This switch is located on the lower left side of the auger
housing near the lowest portion of the hopper.
• It is retained by a spring around the auger housing.
• It can be accessed through the air filter opening. Reach in
and hold the switch with your left hand and unhook the
spring with right hand. Unplug wires to remove switch.
Vacuum Switch (P/N 720073)
• This part can be easily accessed by removing the right side
panel. It is located on the back of the firebox.
• It is retained with screws. Use a ¼" socket to remove them.
Remove the vacuum hose that attaches to the brass nipple
screwed into the firebox. Unplug wires to remove switch.
Auger and Auger Motor (P/N 710009 and 720079)
• The auger motor can be removed through the air filter
opening. A single set screw holds the motor and can be
removed with a 5/32" Allen wrench.
NOTE: The auger motor has a flat side on the shaft and the
set screw must be tightened on to the flat area or the motor
could slip, affecting the feed rate thus damaging the auger
shaft.
• The auger itself has 4 bolts retaining it.
• Remove the motor by removing the bolts using a 3/8"
socket.
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INSTALLATION AND SERVICE MANUAL
Igniter (P/N 730032)
• The igniter can also be removed through the air filter
opening. It is located to the right of the auger housing.
• The igniter is held in place by the torque arm. The arm is
adjustable to insure proper alignment to the firepot. It has a
bolt and a nut that can be removed with a 3/8" socket.
• Pull the igniter out of the fire box.
• Pull off the hose going to the air pump motor.
• Clip the cable ties holding the wires and remove from the
IM box and replace.
Air Pump (P/N 720072)
• The air pump motor can be replaced by removing the
left side panel. Remove the 2 bolts holding the air pump
mounting plate using 3/8" socket. Detach hose from air
pump. Unplug wires from IM and remove air pump from
mounting plate using phillips screw driver.
NOTE: If the igniter is blue in color, this indicates poor
air flow and may indicate an air motor problem and the
igniter should be replaced. Make sure there are no kinks in
the hose when reattached to igniter.
Combustion Motor (P/N 720078)
• This part is located behind the left side panel.
• The motor can be removed from the exhaust manifold
using a 3/8" socket and extension.
• Clip the cable ties using a side cutter and remove the wires
from the IM box to replace.
• NOTE: The combustion motor can be removed from its
housing for service and cleaning without removing it from
the manifold. There are (6) 11/32" nuts that hold the motor
to the housing.
Convection or Room Fan (P/N 720052)
• This part is located behind the right side panel and will
require removal of the lower stove back to get to bolts.
• Use a 3/8" socket and extension.
• Clip the cable ties and remove the wires from the IM box
to replace.
IM Box (P/N 730054)
• Remove the left side panel.
• Remove IM box using 5/16" socket.
• Remove the communication cord and lower gray plug.
• Plug both the cord and the plug into the new IM.
• Remove the spade terminals one at a time and plug into
the new IM to keep them in the correct sequence.
• If there is any question, each component is listed on the IM box.
Firepot (P/N 710110) and Fireplate (P/N 710098)
• To remove the pot, unscrew the rod from the front of the firepot.
• Lift the Firepot up and out
• Lift the Fireplate up and out.
NOTE: Be sure the notch in the fireplate is pointed out
towards the door when reinstalling.
Model MF3800
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