SEE FIG. 28
Follow instructions in section ELECTRICAL
COMPONENT ACCESS, Steps 1 to 4.
1. Undo centre fixing screw.
2. Gently pull control box away from base.
3. Fit new control box and re-assemble in reverse order.
SEE FIG. 29
Follow instructions in BURNER ACCESS, Steps 1 to 2.
1. Withdraw PEC from burner head.
2. Push in retaining clip and slide PEC out.
3. Fit new PEC.
4. Re-insert PEC taking care to insert the correct way
round.
SEE FIG. 30
Follow instructions in section BURNER ACCESS, Steps 1
to 2 and BURNER REMOVAL, Steps 1 to 5.
1. Isolate fuel supply.
2. Disconnect flexible hose. (This must be replaced every
2 years.
3. Remove solenoid plug.
4. Remove feed pipe.
5. Slacken three securing screws and remove pump.
6. Check drive, replace if worn or damaged.
7. Replace pump, re-assemble in reverse order.
17
Replacement of parts
(Burner)
FIG. 28 DESN 511992
FIG. 29 DESN 514848
CONTROL BOX
PEC
FIG. 30
DESN 511995
PUMP ACCESS
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