Rotax 912-UL Repair Manual page 45

6.18.5) Re-assembly of interference suppression box
Generally in reversed sequence to dis-assembly. Consult in any case the wiring
diagram for the suppression box. Apply Lithium grease to all cable connections to
prevent leakage current.
Put both electronic boxes into interference suppression box and place foam rubber
filling pieces in position. Connect mass and primary wiring to ignition coils. Fit set
of ignition'coils into suppression box using 4 countersunk screws M4x72. Secure
countersunk screws with LOCTITE 221.
Arrange H.V. leads according to wiring diagram or to code on suppression box cover,
in bonom part of clip-plate. Add top half, using 3 counter sunk screws M4x8, attach
clip plate ass'y by two cheese-hd. screws M4xl2to box wall. Secure all screws, using
LOCTITE 221. Attach H.V. leads lT and 38 to ignition coil support by cable
retaining straps.
O NOTE:
As every suppression box is numbered and essential data is
registered under this number, it should be stated on all inquiries.
6.18.6) Installation of interference suppression box
r
For safety reasons don't ex-
pose suppression box to ambi-
ent temperatures above 60o C
(140o F) and if possible attach
by reason of vibration to air-
craft frame. If for space rea-
sons the box must be fitted to
engine, make absolutely sure
to use vibration absorbing
mountings.
6.18.7) High voltage ignition leads
nut
l P r l
contEcc
d€6va
H. V. leads are cut to length and pre-assembled
ar ROTAX.
For greater lead lengths, the plug side connec-
tion has to be prepared as shown on sketch.
Pay attention to tight fit of collets. The contact
between inner to outer collet has to be secured
by LOCTITE 648 green.
hlgh voltege
Rm; 912-UL