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There is only one way to properly service a flooded fire pot, and that is
to change it.
Replacement of the combustion chamber on models CCC, MBP-
1, MBP-F, MBP-2 and MBP-U.
1.
Remove burner and burner plate;
2.
Remove old combustion chamber;
3.
Lift both sections to place bottom piece (C);
4.
Place new (A) section in place, lift it to be able to insert the (B)
section in heat exchanger;
5.
Replace burner plate and burner.
FIGURE 3
CAUTION
If you observe the red warning light on the burner, push
once ONLY to try and restart. If the burner will not start,
call a qualified service technician. Do not press the
button again.
3.1.3) BLOCKED VENT SHUT-OFF (BVSO)
CLEANING
For continued safe operation, the Blocked Vent Shut-Off System
(BVSO) is required to be inspected and maintained annually by a
qualified agency.
1.
Disconnect the power to the appliance.
2.
Remove the two screws holding on the BVSO assembly cover.
3.
Remove the cover.
4.
Remove the two screws holding the thermal switch to the
assembly base.
5.
Without removing the electrical wires, remove the thermal switch
and remove any build-up from the thermal switch surface.
CAUTION
Do not dent or scratch the surface of the thermal
switch. If the thermal switch is damaged,
replacement is required.
6.
Clear and remove any build-up or obstruction inside the heat
transfer tube.
7.
Re-mount the thermal switch to the assembly base.
8.
Re-attach the assembly cover with the screws removed in step 2.
9.
Re-establish power to the appliance.
3.1.4) Drawer assembly
Remove the drawer assembly. Clean all foreign matter from the
retention head and electrodes. If a Beckett AFG burner was installed,
the burner will have to be removed to check the retention head.
3.1.5) Nozzle
Replace the nozzle with one specified in Tables 4.1 to 4.5.
3.1.6) Oil filter
Tank filter
The tank filter should be replaced as required.
Secondary filter
The 10 micron (or less) filter cartridges should be replaced annually.
3.1.7) Air filters
Air filters are the disposable type. The disposable filters should be
replaced at least once a year. Dusty conditions, presence of animal
hair etc. may demand more frequent filter changes. Dirty filters will
impact furnace efficiency and increase oil consumption.
3.1.8) Motor lubrication
Do not lubricate the oil burner motor or the direct drive blower motor
as they are permanently lubricated.
Model CCC-A
Models MBP1-A, MBPF-A,
MBP2-A and MBP-U
DNS-0487 Rev.B
