FIGURE 506. INSTALLING FUEL INJECTOR NOZZLE AND HOLDER FUEL RETURN TUBES.

on nozzle holder with clamp properly posi-

90 degree elbow in cylinder No. 6 nozzle holder.

tioned on dowel pin. (C) Install nozzle and

holder assembly. Install remaining nozzle and

tees in the remaining nozzle holders. (D) Con-

holder assemblies as described above.

nect the long fuel injector nozzle fuel return

tube between cylinder No. 3 and 4 fuel return

Note. Use new nozzle to head gaskets when

tees. (E) Connect the remaining short fuel in-

installing nozzles. Apply a light coating of heavy

jector nozzle fuel return tubes between tees for

grease to gasket to insure proper gasket seating

cylinder No. 1 and 2, 2 and 3,4 and 5, and 5 and

and preventing gasket from sliding off the end

6. (F) Connect fuel return-to-fuel injection pump

of the nozzle.

overflow valve tube at cylinder No. 1 return tee.

(G) Install fuel return tube clip. Clip will be

b. Secure Fuel Injector Nozzle and Holder

attached to the front corner of the air com-

is installed

Assemblies and Connect Fuel Return Tubes.

when

pressor

Figure 506. (A) Aline the dowel pin holes in the

nozzle hold-down clamps with the dowel pins

in the nozzle and holders. Install twelve 5/16-

Note. Before installing fuel injection tubes

inch lock washers and 5/16 x 2-1/2 cap screws.

refer to figure 507 for fuel injection pump

(B) Install one 1/8-inch pipe x 1/4-inch tube

port identification.

FIGURE 506. INSTALLING FUEL INJECTOR NOZZLE AND HOLDER

FUEL RETURN TUBES.

320