Perkins 1106D Disassembly And Assembly page 117

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4. Follow Steps 4.a and 4.b in order to disconnect
the harness assembly (4) from the coolant
temperature sensor (5).
a. Slide the locking tab (not shown) into the
unlocked position.
b. Disconnect the harness assembly (4) from the
coolant temperature sensor (5).
5. Follow Steps 5.a and 5.b in order to disconnect
the harness assembly (4) from the boost pressure
sensor (6).
a. Slide the locking tab (not shown) into the
unlocked position.
b. Disconnect the harness assembly (4) from the
boost pressure sensor (6).
6. Follow Steps 6.a and 6.b in order to disconnect the
harness assembly (4) from inlet air temperature
sensor (7).
a. Slide the locking tab (not shown) into the
unlocked position.
b. Disconnect the harness assembly (4) from the
inlet air temperature sensor (7).
7. Remove all cable ties that secure the harness
assembly (4) to the cylinder head or to the inlet
manifold. The harness assembly should be
positioned in order to avoid causing an obstruction
during the removal of the cylinder head.
Illustration 235
Typical example
8. Loosen the tube clips for the tube assembly (8).
Remove the tube assembly (8) for the fuel return
from the cylinder head and from the transfer pump
(not shown). Plug the port in the transfer pump
with a new plug. Cap the tube assembly with new
caps.
9. If the engine has a wastegate solenoid, loosen the
tube clips for the tube assembly (9). Remove the
tube assembly (9) from the wastegate solenoid
(not shown) and from the cylinder head. Plug the
port in the wastegate solenoid with a new plug.
Cap the tube assembly with new caps.
Illustration 236
Typical example
10. Remove the two setscrews (10). Remove the
bypass tube (11) from the cylinder head. Remove
the O-ring seals (12) and (13) from the bypass
tube (11). Discard the O-ring seals.
Illustration 237
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Illustration 238
Sequence for tightening the setscrews for the cylinder head
Disassembly and Assembly Section
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