Instructions To The User; Routine Cleaning And Inspection - Worcester DANESMOOR FS12/18 Installation And Servicing Instructions

13. Instructions to the User

13.1 Hand the users instructions and Benchmark Log
Book to the user or purchaser for retention and instruct them in
the efficient and safe operation of the appliance and the heat-
ing/hot water system.
13.2 Advise the user or purchaser of the precautions necessary
to prevent damage to the heating/hot water system and to the
building in the event of the heating system remaining
inoperative during frost conditions.
13.3 Finally advise the user or purchaser that for continued
efficient and safe operation of the appliance it is important that
adequate servicing is carried out by a qualified engineer at least
once per year.
Worcester, Bosch Group will be pleased to discuss and offer a
comprehensive maintenance contract.
13.4 Set the system controls to the users requirements.

14. Routine Cleaning and Inspection

14.1 The following should be carried out at least once per year
for 28 second Kerosene and twice per year for 35 second Gas
Oil, to ensure efficient, trouble free operation.
1. Carry out pre-service check noting any operational faults.
2. Check and clean the burner.
3. On the CF model check and clean the air intake grille located
in the boiler room.
4. On the RS balanced flue model check and clean the flue
system by removing the grille at the end of the terminal.
5. If the appliance has been installed in a compartment check
that the ventilation areas are clear.
6. Clean all oil filters.
Some of the servicing points are covered more fully in the
following instructions:-
14.2 Pre-Service Check
1. Remove the front panel by pulling the bottom of the panel
forwards to release the ball studs and lifting the panel upwards and
forwards to release from its supporting ledge.
2. Operate the appliance and system, noting any faults which
may need to be corrected during the service.
14.3 Cleaning the Burner
1. Check that the electrical supply to the appliance is switched off.
2. Remove the burner as described ib Section 5.1—5.5.
3. Turn the isolating valve fully clockwise to close the valve.
Electro Oil Sterling
(a) Separate the main body of the burner from the burner front
by removing the M6 allen screw (located beneath the air
adjustment screw), using a 5mm allen key.
(b) Note the position of the air damper adjustment and check
the air damper moves freely.
(c) Check the air path to the burner head is clear.
(d) Clean both sides of the fan impeller and remove any debris
from the burner housing.
(e) Check the impeller rotates freely.
(f) Re-assemble the components.
Fig. 24. Mechanical Shut-off Valve.
6. Inspection of Mechanical Shut-off Valve. (See Fig. 24)
(a) Remove the sponge O-ring seal and combustion head.
(b) Remove the nozzle.
(c) Fasten an M5 screw, with a minimum length of 30mm, into
the threaded hole (A) and pull the screw to withdraw the check
valve.
(d) Check that the nozzle holder is clear of any debris and clean
if necessary.
(e) Check that the 3 holes in the check valve are clear of any
debris. Discard the check valve if the holes cannot be cleared or
if the unit is defective and replace with a new one.
(f) Replace the mechanical shut off valve.
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