12 servicing – Glow-worm EnergySaver 80 User Manual

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221837B

Diagram 12.4

Diagram 12.6

Diagram 12.5

12 Servicing

4371 S

4373 S

4376S

PRIMARY
HEAT
EXCHANGER

COMBUSTION
CHAMBER FRONT
PANEL

LOCATION
SLOT

VIEWING
WINDOW

SECURING
SCREW (2)

BAFFLE

SECONDARY HEAT
EXCHANGER

CONDENSATE TRAY

BURNER

12.3 Injector

Remove the injector by releasing the three screws at the injector
manifold burner box, the two screws at the inner case base
sealing plate, see diagram 12.7, and the four screws at the
multifunctional valve, see diagram 8.1.

Make sure that the “O” ring is in place in the flanged connection
when refitting.

Clean the holes by blowing through.

Do not use a wire or sharp instrument on the holes.

12.4 Spark Electrode

Remove the silicone sleeving and disconnect the ignition lead,
see diagram 12.9.

Remove the two securing screws.

Withdraw the electrode taking care not to damage the insulation
material. Inspect and clean taking care not to damage the
ceramic body.

When replacing make sure that the spark gap is as shown.

Diagram 12.7

4374 S

SECURING
SCREW (3)

SECURING
SCREW (2)

INJECTOR
MANIFOLD