Replacement Of Parts; Removing The Outer Case - Worcester 27i System Compact Installation, Commissioning And Servicing Instructions

SERVICE AND SPARES
▶ Use the brush to dislodge the debris and pour water down the
channels to flush out the debris.
Fig. 80 Cleaning the front channels
On completion of the heat exchanger cleaning and re-
assembly, perform the fan pressure test as described in
section 6.5.2
6.8

REPLACEMENT OF PARTS

CAUTION: Mains supplies:
▶ Turn off the gas supply and isolate the mains supplies
before starting any work on the boiler and observe all
relevant safety precautions.
CAUTION: Component replacement:
▶ After replacement of a gas related component, where
a gasket or seal has been disturbed or replaced, check
for gas tightness using a gas sniffer/analyser.
▶ On re-assembly check all affected seals for cracks,
hardness and deterioration.
If damaged or in any doubt the seal must be replaced.
▶ Also after re-assembly, carry out the following
checks:
Fan pressure in section 6.5,
Flue gas analysis in section 6.6,

6.8.1 REMOVING THE OUTER CASE

Remove the bottom panel:
1. Pull the catch down.
2. Slide the panel forward and down to remove
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1
4.
3.
1.
2.
Fig. 81 Bottom panel
1. Locate and remove the two screws under the front of the boiler.
2. Pull the two catches, located under the front of the boiler, down to
release the control panel
3. Pull the bottom of the control panel forward slightly and down.
4. Allow the control panel to rotate down on the hinges.
5. Remove the two screws securing the bottom of the case.
6. Release the two catches on top of the boiler.
7. Pull the case towards you and remove.
3.
2.
6.
7.
5.
4.
Fig. 82 Removing outer case
Greenstar i System Compact - 6 720 807 726 (2013/05)
1.