RADIATOR AS 3940997 - Caterpillar

Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Cat Dealer Service Tool Catalog" or refer to Special Publication, PECJ0003, "Cat Shop Supplies and Tools Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Camshaft Speed/Timing Sensor
Illustration 1 g01171816
(1) Harness assembly
(2) Sensor
(3) Bolt Removal Procedure
Disconnect the harness assembly.
Remove the bolt and the sensor.
Remove the O-ring seal from the sensor. Procedure for Cleaning and Inspecting
Check the condition of the plastic end of the sensor for wear and for contaminants. Clean the metal shavings and other debris from the face of the sensor.Installation Procedure
Install a new O-ring seal on the sensor. Lubricate the O-ring seal with clean engine oil.
Position the sensor in the housing and install the bolt.
Connect the harness assembly. Crankshaft Speed/Timing Sensor
Illustration 2 g01894553
(4) Sensor
(5) Harness assembly
(6) O-ring Removal Procedure
Disconnect the harness assembly.
Remove the bolt and the sensor.
Remove the O-ring seal from the sensor. Procedure for Cleaning and Inspecting
Check the condition of the plastic end of the sensor for wear and for contaminants. Clean the metal shavings and other debris from the face of the sensor.Installation Procedure
Install a new O-ring seal on the sensor. Lubricate the O-ring seal with clean engine oil.
Install the position sensor in the front housing and install the bolt.
Connect the harness assembly.