MANIFOLD AS 9Y3837 - Caterpillar

Illustration 1 g03440057
Typical example
There have been several isolated instances of issues with the 335-5735 Solenoid on certain C3.4 engines. The issue is external water ingress into the electrical components of the solenoid.If the engine fails to start, replace the 335-5735 Solenoid with 435-1704 Solenoid.
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High-Pressure Fuel Lines" for safety information.Refer to System Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
Follow Step 1.a through Step 1.d to remove the existing 335-5735 Solenoid.
Clean fuel injection pump (1) and the area around the fuel injection pump. Ensure that the area is free from contamination before beginning disassembly.
Place a suitable container below fuel injection pump (1) to catch any fuel that might be spilled.
Disconnect the harness assembly (not shown) from solenoid (2).
Remove the solenoid from the fuel injection pump.
Illustration 2 g03440057
Typical example
To install the new 435-1704 Solenoid, follow Step 2.a through Step 2.c.
Install the new solenoid (2) to fuel injection pump (1).
Tighten the solenoid to a torque of 22 N m (195 lb in).
Connect the harness assembly (not shown) to the solenoid.