CYLINDER-YM 3843463 - Caterpillar

Illustration 1 g01418240
(4) O-ring seal
(5) Bolt
Illustration 2 g01123043
Detail A
Note: Refer to Disassembly and Assembly for the complete procedure that is used for information that relates to the removal and the installation of the front and the rear crankshaft seals.Note: The crankshaft seal excluder (1) can be installed with the front seal for use in applications that operate in harsh environments. If the extruder is used on your application, lubricate the inside diameter of the crankshaft seal excluder with liquid soap prior to assembly to the crankshaft pulley.When the front crankshaft seal (3) is installed, the front face of the seal must be 2.5 mm (0.10 inch) from the face of the front housing (2).
Illustration 3 g01419999
Detail B
(7) Rear crankshaft seal group with dust lip Note: The rear crankshaft seal group (6) is a double lipped seal that is used for wet flywheel housing applications.