Perkins 1106C Series Disassembly And Assembly page 31

KENR6932
4. On installing an original electronic unit injector,
install a new O-ring seal (15) and sealing washer
(14) to electronic unit injector (11).
Ensure that the O-ring seal (15) and sealing
washer (14) on a new electronic unit injector are
not damaged and in place.
Note: Do not lubricate the O-ring seal.
5. Ensure that the seat for the electronic unit injector
in the cylinder head is clean and free from
damage. Ensure that the sealing washer has been
removed from the cylinder head.
Illustration 53
The rocker shaft is not shown for clarity.
6. Position clamp (13) between the rocker arm and
the valve springs. Align electronic unit injector (11)
to the bore for the electronic unit injector in the
cylinder head. Install the clamp to the electronic
unit injector. Ensure that the electronic unit injector
is pushed firmly against the seat in the cylinder
head.
7. Install a new torx screw (12) to clamp (13). Tighten
the torx screw finger tight.
8. Remove the cap from electronic unit injector (11).
Install a new seal (8) to electronic unit injector (11)
and to the valve mechanism cover base. Ensure
that the flange on the seal is flush with the valve
mechanism cover base.
9. Remove the plugs from the new fuel injection
line. Loosely install the fuel injection line. Refer to
Disassembly and Assembly, "Fuel Injecton Lines -
Install".
Note: Ensure that the ends of the fuel injection line
are seated in the electronic unit injector and the fuel
manifold. Tighten the nuts finger tight.
10. Use Tooling (B) to tighten torx screw (12) to a
torque of 27 N·m (20 lb ft).
Note: Tooling (B) must be used to ensure no
damage to the rocker arms.
11. Use Tooling (E) to tighten the fuel injection line to
a torque of 30 N·m (22 lb ft). Refer to Disassembly
and Assembly, "Fuel Injecton Lines - Install".
Illustration 54
Typical example
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Illustration 55
The electronic unit injector is not shown for clarity.
Failure to ensure that ALL valve bridges are correct-
ly seated onto the valve stems will cause interference
between the pistons and the valves, resulting in dam-
age to the engine.
12. Install valve bridges (5) to the cylinder head.
Disassembly and Assembly Section
NOTICE
31
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