C280 Marine Engines Caterpillar


Crankshaft Seals

Usage:

C280-08 J4R


Illustration 1g03779776
Front housing
Typical example

Table 1
Specification for 422-4310 Crankshaft Seal Gp and 422-8816 (Crankshaft Seal Gp) 
Item  Qty  Part  Specification Description 
160-8173 Wear Sleeve  Before assembly, apply green Loctite 620 to inner diameter of the sleeve.
Assemble the sleeve onto the adapter. Make sure that the adapter bottoms out against the shoulder. 
106-2033 Crankshaft Adapter  Before assembly, apply Ultra 5 Moly Calcium Sulfonate Complex Grease to the bore to prevent moisture penetration causing corrosion. 
190-2463 Seal As  Standard rotation engine will have crankshaft seals on the front of the engine. 
6V-5059 O-Ring Seal  Lubricate the bore lightly with lubricant that is being sealed. 


Illustration 2g03779778
Rear housing
Typical example

Table 2
Item  Qty  Part  Specification Description 
420-4301 Adapter  Before assembly, apply Ultra 5 Moly Calcium Sulfonate Complex Grease to the bore to prevent moisture penetration causing corrosion. 
190-2462 Seal As  Standard rotation engine will have crankshaft seals on the rear of the engine. 
286-5311 Dowel  Protrusion is 9.0 ± 0.5 mm (0.35 ± 0.02 inch)
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