CONTROL AS 4522977 - Caterpillar

Start By:a) remove valve covers 1. Remove fuel line (1) with tool (A).
Put protection caps on all fuel line openings.
2. Remove nut (3) that holds the fuel valve in adapter (2).3. Remove the fuel injection valve with tool (B).Install Fuel Injection Valves (Direct Injection)
1. If the seal on the direct injection valve has been removed, install a new seal as follows: a) Put a new seal on tool (C).b) Put tool (C) over valve body (1).c) Push the seal into position on the valve body. 2. Install nozzle (2) on valve body (1) finger tight.3. Install the fuel injection valve in direct injection adapter (3). Make sure the grooves (serrations) on valve body (1) line up with the grooves (serrations) in adapter (3).4. Install the nut that holds the fuel injection valve in adapter 93). Tighten the nut to a torque of 757 N m (555 lb ft). 5. Install fuel line (4). Tighten the nuts on the fuel line to a torque of 407 N m (295 lb ft).End By:a) install valve covers