Worcester Greenstar Heatslave 12/18 Instruction Manual page 40

8 716 106 252f 30/3/10 12:56
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INSPECTION AND SERVICE
Page 40
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INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE 12/18-18/25-25/32
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INSPECTION AND SERVICE
External oil filter:
Remove the paper element from the external
oil filter and replace it. If the filter contains a
washable element, thoroughly clean in
kerosene and reassemble into the filter.
Clean the boiler:
Manifold access:
Release screws (A) to remove the flue
manifold access cover (B) and clear any
debris.
Check the flue system and clean if necessary.
Remove the baffle retainer (H) and baffles ( I )
from the secondary heat exchanger.
Check and clean the secondary heat
exchanger surfaces.
NOTE: Do not use wire brushes and
cleaning agents to clean the stainless
steel secondary heat exchanger
components.
Check the condensate route (C) is clear.
The condensate trap (D) should be removed
and checked for debris.
Release the pipe locking tab (E) and
disconnect the flexible pipe (F) from the top
of the trap and move the flexible pipe up
away from the trap
Release the trap locking tab (G) 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 500ml of water into drain (C) to refill
the condensate trap.
Clean the secondary heat exchanger baffles
( I ) if necessary and refit correctly.
Refit the baffle retainer (H).
Check the seal on the manifold access cover
(K) and replace if necessary.
Refit the flue manifold access cover (B)
and secure with screws (A).
8 716 106 252f (03/2010)