Short Parts List - Worcester 50/70 Installation And Servicing Instructions

2. Remove and clean the baffle retainer (70/90 and 90/110
models only). See Fig. 16b.
3. Remove the baffles and clean and check their condition.
Replace any baffles considered to be badly corroded.
4. Thoroughly clean all of the heat exchanger surfaces using a
stiff wire brush and vacuum clean all loose debris from the
combustion chamber. Take care not to damage the base
insulation !
5. Remove and check the heat shield where fitted (70/90 and
90/110 models only). See Fig. 16b.
6. Check the condition of the combustion chamber base
insulation and replace if there is any sign of significant damage.
7. Check and clean the flue.
8. Replace the items in reverse order noting the baffle positions
shown in Fig. 16.
14.6 Check that a fire valve is fitted to the incoming oil line with
the body located outside the premises and the detection

15. Short Parts List

Part
Burner Control 1.
Manufacturers Reference
Box Satronic TF832.3
Photocell Satronic MZ770
element located within the appliance case. A fire valve clip is
provided for this purpose as shown in Fig. 2. test the operation
of the fire valve to ensure that the mechanism operates and that
the oil supply is completely isolated.
14.7 Recommission the Burner.
1. Connect the flexible oil supply hose to the isolating valve and
tighten sufficently to form a good seal. Where a double pipe
system is being used connect the oil return hose to return pipe
fitting.
2. With the sponge O-ring gasket around the burner blast tube
insert the burner into the housing tube. Push the burner firmly
forward to compress the gasket and tighten the two locking
screws.
Note: It is important that a good seal is made between the
burner and the boiler to prevent emission of the flue gases from
the combustion chamber.
2. Turn on the oil supply at the service cock.
3. Recommission the burner as described in Section 12.
17
Qty WHS Part No.
1 8 716 156 648 0
1 8 716 142 735 0