VALVE GP-CONTROL 9J1219 - Caterpillar

2. Disconnect wires (1), and remove fuel injector hold down bolt (2). 3. Use a pry bar under hold down (3) and pry fuel injector (4) out of the cylinder head assembly. Remove the fuel injector. The following steps are for the installation of the fuel injectors.4. Check the condition of the fuel injector seals. If the seals are worn or damaged, use new parts for replacement.5. Lubricate the seals with STP Engine Oil Treatment. Position the fuel injector in the head with hold down (3) in place. First, push down on the EUI return spring to seat the fuel injector. Then, install hold down bolt (2), and pull the fuel injector completely into the bore.6. Tighten the clamping bolt for the fuel injector to 30 7 N m (22 5 lb ft).7. Loosen the bolt until you can turn the bolt by hand.8. Tighten the clamping bolt for the fuel injector to 30 7 N m (22 5 lb ft).9. Connect wires (1) at their proper locations.End By:a. install rocker arm assemblies and push rods.b. install valve cover assemblies