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Worcester-Bosch Greenstar Danesmoor Utility Regular - Utility System Manual

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Service and Spares
Greenstar Danesmoor Utility 2022+ and Utility System 2022+ - 6 721 846 263 (2022/01)50
Fig. 84 Combustion chamber
Fig. 85 Baffle detail
Fig. 86 Baffle positioning
7.10 Oil supply system and tank
▶ The oil pipeline, filters, fire valve and tank should be inspected and
maintained in accordance with OFTEC regulations.
7.11 Clean the boiler - Manifold access
Refer to figure 87.
▶ Release screws [1] to remove the flue manifold access cover [2] and
clear any debris.
▶ Check the flue system and clean if necessary.
▶ Remove the baffle retainer [3] and baffles [4] from the secondary
heat exchanger.
▶ Check and clean the secondary heat exchanger surfaces.
▶ Check the condensate route [5] is clear.
▶ The condensate trap [7] should be removed and cleaned.
▶ Release the pipe locking tab [8] and disconnect the flexible pipe [9]
from the top of the trap and move the flexible pipe up away from the
trap.
▶ Release the trap locking tab [10] and move the trap up and back to
remove from its mountings.
▶ Clean the trap by flushing with water.
▶ Check the O ring seals and replace if necessary, grease the seals with
a solvent free grease.
▶ Refit the trap making sure that the locking tabs are locked in place.
▶ Pour 500 ml of water into drain [5] to refill the condensate trap and
check that the condensate discharge pipe is discharging.
▶ Clean the secondary heat exchanger baffles [4] if necessary and refit
correctly.
▶ Refit the baffle retainer [3].
▶ Check and clean the flue damper, ensure that it is correctly fitted
▶ Check the seal on the manifold access cover [6] and replace if
necessary.
▶ Refit the flue manifold access cover [2] and secure with screws [1].
Fig. 87 Secondary heat exchanger and condensate trap detail
18/25 and 25/32 baffle are identified with tabs on the
front and rear edges
6720808218-77.1Wo
B
A
C
6720808218-92.1Wo
12/18kW
Baffle
18/25 & 25/32kW
Baffle
6720808218-78.1Wo
C
D
Do not use wire brushes or cleaning agents to clean the
stainless steel secondary heat exchanger components.
6720821683-19.1Wo
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