BOLT-SOCKET HEAD 1T0284 - Caterpillar

Note: There are two fumes disposal filter elements on the engine. The external filter must be replaced at the stated interval. The internal/centrifugal filter must be replaced at every second replacement of the external filter.The fumes disposal system requires the replacement of the fumes disposal filter. The service interval of the fumes disposal filter will be affected by the following items:
Engine load
Concentration of soot
Condition of the engine
Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.
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.
Illustration 1 g06010587
(1) Internal fumes disposal filter
Illustration 2 g06010592Note: Refer to Disassembly and Assembly , UENR7307 for information on the removal and installation of the cover assembly.
Remove the cover assembly
Remove the filter element (2).
Replace the filter element
Install the cover assembly