Overhaul Manual
O-360 and IO-360 Series Engines
Installation of Carburetor and Primer System
NOTE:
This section applies to carbureted
engine models only.
(1) Verify the correct part number of the
carburetor.
(2) Install the carburetor (5, Figure 72-00-
09.37), gasket (1), washers (10),
lockwashers (15), and nuts (20) per
Figure 72-00-09.37. Torque the nuts
(20) to 200 in-lbs.
(3) Apply anti-seize to the threads of the
primer nozzles (1, Figure 72-00-09.36).
(4) Install the primer nozzles in cylinder
numbers 1, 2, and 4 (lower ports, Fig.
72-00-09.36). Torque the nozzles (1) to
60 in-lbs.
(5) Install the primer lines (5, 10, 15, 20) to
the nozzles and “T” junctions. Clamp to
the induction elbows and sump flange.
Installation of Fuel Injection System
NOTE:
This section applies to fuel injected
engines only.
(1) Verify the correct part number of the
fuel injection unit (servo), flow divider,
and nozzles.
(2) Install the servo to the sump with
gaskets (1, Figure 72-00-09.38),
spacer (5), washer (15), lock washers
(20), and nuts (25). Torque the
attaching nuts (25) to 200 in-lbs.
(3) Install the fuel injector fittings,
appropriate pipe plugs and nipples per
Figure 72-00-09.39 into the flow
divider. Use anti-seize on the male
threads and torque as follows:
• Plug (30) to 40 in-lbs.
• Elbow (35) to 40 in-lbs.
• Fitting (40) to 40 in-lbs.
• Nipple (50) to 60 in-lbs.
• Nipple (45) to 60 in-lbs.
(4) Install the flow divider bracket (1) to the
flow divider with screws (25) and lock
washers (20). Torque the screws to 49
in-lbs.
(5) Install the flow divider and bracket
assembly to the engine backbone (top)
per Figure 72-00-09.39 and torque the
attaching hardware to 96-108 in-lbs.
NOTE:
Remove and reinstall the appropriate
backbone hardware to accommodate
bracket
(6) Install the bolt (10) with lock washer
(5).
(7) Apply anti-seize to the fuel injectors
(90). Install in the cylinders. Torque
the injectors to 60 in-lbs.
(8) Install the fuel lines (55) between the
fuel injectors (90) and the flow divider
(15). Tighten to 25 in-lbs. Install
clamps.
(9) Install the fuel hose (30, Figure 72-00-
09.38) between the fuel pump and fuel
servo. Install the fuel hose (35, Figure
72-00-09.38) between the fuel servo
and flow divider. Torque the hose (30,
35) B-nuts to 45 in-lbs.
Magneto and Harness Installation
(1) Verify the correct magneto part
numbers.
(2) Assemble the magnetos as follows:
(a) Install the drive gear (35, Figure 72-
00-09.40) to the magneto (15) by
removing the gear retaining nut,
washer, and cotter pin (40) from the
magneto.
(b) Install the drive gear (35) with the
washer and nut. Torque the nut to
120-320 in-lbs. Secure with cotter
pin (40).
(3) Repeat for the 2nd magneto’s assembly.
(4) Install the magneto gasket (1) and
spacer (5), as appropriate, to the
accessory housing at each magneto
location.
(5) Remove the harness cover cap from
each magneto as required. Retain
screws for harness installation.
(6) Determine direction of rotation. Refer to
magneto data plate.
(7) Insert the alignment pin in appropriate
hole “R” or “L” in magneto, as
determined by the direction of rotation,
and slowly rotate the magneto drive
shaft “backwards” until the alignment pin
drops into position (to the first shoulder),
locking the shaft.
52
© March 2005 Superior Air Parts Inc.
72-00-09
Engine Assembly
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