INSTALL FUEL INJECTION NOZZLES

3208 INDUSTRIAL AND MARINE ENGINES

DISASSEMBLY AND ASSEMBLY

FUEL INJECTION NOZZLE

INSTALL FUEL INJECTION

NOZZLES

12-1254

Tools Needed

8S2242

Nozzle Test Group

8S2252

Carbon Seal Installation Tool

CAUTION: Always check the fuel injection nozzles for

leakage, opening pressure and the shape and amount of

fuel (spray pattern) coming out of the nozzles with tool

(A) before installing the nozzles in the cylinder head.

See TESTING FUEL INJECTION NOZZLES in

TESTING AND ADJUSTING.

1. Remove carbon seal dam (2) with pliers.

Remove compression seal (1).

2. Install a new compression seal on the nozzle.

Install a new carbon seal dam with tool (B).

3. Make sure the bore in the cylinder head and the

fuel inlet fittings are clean.

4. Install new O-ring seals on adapter (3) and fuel

injection nozzle (4).

5. Install the fuel injection nozzle in the head. Use

a twisting motion to push the nozzle into its

correct position. Never put lubricant on the

nozzle or bore in the cylinder head.

6. Install the adapter in the head. Connect the

nozzle and fuel injection line to the adapter.

Tighten the nuts to a torque of 30 5 lb. ft. (4.1

0.7 mkg).

7. Install the spacer and clamp that holds the

nozzle to the cylinder head.