RANS S-20 RAVEN
TEXT
MANUAL
09/01/2013
03E-01
ROTAX 912ULS - MUFFLER ASSEMBLY
(FINAL INSTALL OF ENGINE)
ASSEMBLY
The engine needs to be installed to the airframe.
NOTE:
If installing the optional Muffler Style Heater, you may wish to install the
Heater Wrap prior to installing the Muffler.
1.
Refer to the parts catalog and select the required components for
assembly.
2.
Cut two segments, each 1 3/8" long from the 1 1/4" O.D. Rubber Hose
provided in the 912 Muffler - Raw Stock Kit. Locate the center of each
segment lengthwise and drill or punch a 1/4" hole through the top and
bottom wall. Install the 6mm bolts and Formed Washers from the inside of
each segment. Refer to the parts drawing and
FIGURE 03E-02
.
3.
Cut two segments, each 1 3/8" long from the 3/4" O.D. Rubber Hose.
Insert between the bolt heads, in the isolator assembly, until flush on each
end. Safety wire inner hose in place as shown in
FIGURE 03E-03
.
NOTE:
In order to tighten the bolts, it may be necessary to wait with installing the
inner segments and safety wire until after the isolators have been installed
on both the Muffler and Muffler Attach Channels.
4.
Apply Loctite to the threads of the top bolt and attach the isolator
assembly, aluminum washer and thick washers to the Muffler as shown in
the parts drawing.
IMPORTANT: Isolators should be final installed laterally
(open end to sides).
5.
Install the isolator assembly to the Muffler Attach Channels.
NOTE: The
left Attach Channel will be installed flanges up, while the right is flanges
down.
6.
Bolt the Muffler Assembly with Channels to the tab and bushing on the
lower tubes of the engine mount.
