Dodge D250 1990 Service Manual page 444

Fuel System
DODGE Turbo Diesel
Fuel System Replacement Procedures
Page 14-25
Injector Bore Brush
Clean the injector nozzle bore with a bore brush.
Assemble the injector and new copper sealing washer.
Note: Use Only One Copper Washer.
24mm Deep Well Socket
Caution: Align the Injector's protrusion with the notch In
the bore.
Tighten the injector retainer nut.
Torque Value: 60 N-m [44 ft-lbs]
Note: After tightening the injector be sure to push the o-ring
Into the groove.