HOUSING AS 4N1091 - Caterpillar

Removal Procedure
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, "Dealer Service Tool 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 g00952689
Remove bolt (1) and the washer from breather assembly (3).
Loosen hose clamp (2) and remove bolt (4) from the hold-down bracket. Remove hose assembly (5).
Remove breather assembly (3) and the O-ring seal from the fumes disposal. Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g00952689
Check the condition of the O-ring seal. Replace the O-ring seal if the O-ring seal is damaged.
Install the O-ring seal and breather assembly (3) on the fumes disposal.
Install bolt (1) and the washer. Tighten bolt (1) to a torque of 15 3 N m (11 2 lb ft).
Install hose assembly (5). Tighten hose clamp (2) and install bolt (4) in the hold-down bracket.