RANS S-20 RAVEN
TEXT MANUAL
09/01/2013
03C-01
ROTAX 912ULS - COOLING SYSTEM INSTALLATION
(AFTER INSTALLATION OF ENGINE MOUNT)
ASSEMBLY
1.
Refer to the parts catalog and select the required components for
assembly.
2.
The items below should have been done before installing the engine to the
Engine Mount. If not, then do so before proceeding.
•
Rotate the water pump inlet on engine to the lower right position.
Re-tighten screws to 90 in. lbs.
•
Completely remove Rotax installed coolant hose attached to AFT
cylinder head coolant fitting. Install the “S” shaped radiator hoses
from aft cylinder head coolant fittings to lower water pump fittings.
The "S" end will attach to the lower water pump fitting. The “S” hose
prevents coolant hose conflict with the engine mount. Install on
both right and left aft fittings. Trim hose as required to prevent
binding.
•
Transfer drill lower center welded tab on Station 1 to 1/4".
3.
Attach Radiator Support Tube to top of Radiator with Cushion Clamps and
hardware shown.
NOTE: Notice the orientation of the Cushion Clamps.
4.
Drill center hole of Radiator Support Bracket to 1/4" and bolt to lower side
of Radiator.
5.
Mount Radiator Assembly, using Cushion Clamps to Engine Mount Tubes.
Refer to
FIGURE 03C-05
for Clamp locations.
6.
Bolt shorter bent end of Bent Radiator Support Bracket to Firewall through
lower center tab on Station 1.
7.
Rotate bottom of Radiator aft and temporarily bolt through Radiator
Support Bracket to Bent Bracket.
8.
Cut Pre-formed Radiator "U" Hose into 2 pieces to form 2 90-degree
hoses.
9.
Install Coolant Tube between right side Radiator Outlet and Coolant Pump
Inlet with one of the 90-degree hoses on each end.
NOTE: Unbolt lower
end of radiator and rotate out of way as needed to attach.