(Model J) Page 301
34.10 Modification 4 (MOD4)
Modification 4 (MOD4) consist of the fitting of the L9019/MD4/001 mains loom capacitor filter
assembly.
Step 33 Locate the mains inlet filter. This is
located on the rear panel of the
electronic unit next to the power
supply.
Step 34 Remove the blue and brown wire
from the mains inlet filter.
Step 35 Fit the Capacitor modification loom
(Part Nº: L9019/MD4/001) to the
mains inlet filter. Ensure the piggy
back spade terminals face
outward. ensure that the brown
wire is fitted to the top terminal.
Step 36 Re-connect the original wires to
the piggy back terminals.
Warning: The ventilator must be disconnected from the mains electrical
supply before performing this modification. Risk of electric shock.
Brown
Blue
Brown
Blue
Brown
Blue
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