Operating instructions

9-2
b. Remove attaching parts (17,18) Clamp (16) and
remove balance tube (16) and bracket (14).
c. Remove attaching parts (21 thru 24) and re move
bracket (20). Remove clamp (26) and separate riser
(12) and flexible coupling (25).
9-2. INSPECTION.
a. Inspect intake tubes for distortion, cracks and out-
of-roundness.
b. Inspect stud in riser for straightness and thread
damage. Stud height should be 1.04 inches.
9-3. REASSEMBLY.
a. Push a new hose (9) on either side of center intake
tube (2). Slide one hose clamp (7) to a position
midway on overlapping portion. Turn each clamp so
that a screwdriver can be aligned with its screw yet
clear of stand when tube is installed. Tighten screw
only enough to hold hose in position.
b. Place a hose clamp on each end of cylinder intake
tube (2,3) so it faces center tube. Push end tubes into
hose previously installed on center intake tubes.
Work hose clamps over ends of hoses, but not past
bead. Do not tighten at this time.
c. Push a hose (9) on each front intake tube (3) and
hose (9) on each rear intake tube (10). Locate clamp
assemblies (8) so tube beads are inside of clamps and
tighten clamps.
d. Lay a new gasket (1) on intake flange of each
cylinder. Position each assembly of tubes and hoses
on proper bank of cylinders and adjust each tube so it
seats squarely on cylinder port. Attach each intake
flange to its cylinder with attaching parts 5,6).
Position clamp on two center hoses on each side of
tube beads and tighten.
e. Push hose clamp assembly (8) on each rear elbow
(10) and work hose (9) over bead. Install riser (12) in
hoses and position hose clamp assembly so beads are
inside of clamps. Tighten clamps.
f. Install bracket (20) on riser stud (13) and secure
with attaching parts (23, 24). Secure bracket to sump
with spacer (22) and bolt (21).
g. Install clamp (15) and bracket (14) on balance tube
(16). Push tube ends into connecting hoses installed
on front intake tubes. Position bracket and secure to
sump with attaching parts (17, 18). Position clamp
assembly (8) over tube beads and tighten.
h. Secure flexible coupling (25) to riser with clamp
(26).
9-4 FUEL INJECTION SYSTEM (See Figure
9-2).
a. Instructions relative to the removal, inspection,
repair, replacement and reassembly of the fuel
injection system is the same as those in Sections 1 thru
8 with the exception that the air throttle body and
control assembly and connecting hoses are to be
installed after the engine is installed in the airframe.
b. If it is necessary to replace fittings, they are to be
oriented according to figures 9-3, 9-4 and 9-5.