Sonex Jabiru 3300 Oil Cooler Upgrade Installation Instructions - Manual (Page 5)

AeroClassics Oil Cooler
5 Sonex Aircraft
LLC
© 2008 All Rights Reserved.
Bracket SNX-P20-42 attached to the intake manifold.
2. Center the cooler mounting bracket on the oil cooler as-
sembly and clamp it in place. The bottom of the vertical
flange butts against the top of the oil cooler's flange.
Center the Cooler Mounting Bracket on the oil cooler, with the
flange pointing forward, and clamp it to the Cooler Support
Brackets.
3. Use the pilot hole in each Cooler Support Bracket as a
guide to drill 3/16" holes through the brackets for AN3
hardware.
4. Remove the front pair of cap screws from the bottom of
the intake manifold. See photo next column.
5. Mount the oil cooler bracket (SNX-P20-42) to the bottom
of the intake manifold with the two cap screws removed
in step 4. Use Loctite 242 on the threads of the screws.
The oil cooler baffle is attached to the oil cooler assembly with
the two upper bolts of the oil cooler assembly.
6. Remove the upper nuts and washers from the oil cooler
assembly, place the oil cooler baffle (SNX-P20-44) over
the bolts and reinstall the washers and nuts. Leave the nuts
slightly lose. They will be tightened in step 7.
OIL COOLER INSTALLATION