Nanni T4.155 seriers, Workshop Manual

Page: 123 / 191

60300140 (
indice A
) 4 CYLINDERS WORKSHOP MANUAL 123/191
REMOVE THE INJECTION PIPES
a. Loosen the two nuts securing fasteners (A) on the intake
manifold.
b. Use a screwdriver to prise off the fastener (B).
c. Loosen the eight injection pipe attachment coupling nuts.
d. Remove the four injection pipes and the two pipe retainers
(A).
REMOVE THE FUEL RETURN PIPE
a. Disconnect the flexible supply pipe from the fuel return
pipe.
b. Remove the four attachment nuts, the fuel drop pipe and
the four seals.
REMOVE THE INJECTORS
Remove the four injectors, the seats and the seals using special
maintenance tool SST.