PIN GP-CYLINDER 6Y8115 - 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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00610373
Loosen bolts (3) and remove breather cover (6) from the valve mechanism cover.
Remove the diaphragm and plate (4). Remove spring (5) .
Clean vent hole (2) and breather tube (1). Clean cavity (7) for the breather assembly in the valve mechanism cover.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Make sure that the components of the breather assembly are installed correctly. Engine damage may occur if the breather assembly is not working properly.
Illustration 2 g00610373
Install a new spring (5) in cavity (7) for the breather assembly.
Install a new diaphragm and plate (4) on top of spring (5) .
Install breather cover (6) and four bolts (3). Tighten the bolts to a torque of 9 N m (80 lb in).