PAN-OIL 1167077 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00928364
Loosen clamp (1). Remove the clamp and tube (2).
Loosen clamps (3). Remove both breathers as a unit.
Illustration 2 g00597465
Remove O-ring seals (4) from the valve covers. Discard the O-ring seals.
Illustration 3 g00928366
Remove two clamps (6). Remove both breathers from hose tee (7). Inspect the hose tee for cracks. If the tee is cracked, discard the old tee and obtain a new tee for installation.
Turn the breathers upside-down in order to inspect the condition of the breather elements. Clean the breather elements with clean, nonflammable solvent. If the breather elements remain contaminated after the cleaning, discard the breathers and obtain new breathers. Do not attempt to disassemble the breathers.Allow the breather elements to dry before installation.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 4 g00928366Note: Coat the rubber parts with clean engine oil or petroleum jelly in order to make installation easier.
Place clamps (6) over the parts of hose tee (7) that will receive breathers (5). Install the breathers into the tee. Tighten the clamps to 3.0 0.5 N m (27 4 lb in).
Illustration 5 g00597465
Coat new O-ring seals (4) with clean engine oil. Place the O-ring seals on the valve covers.
Illustration 6 g00928364
Place clamps (3) around the parts of the breathers that will be attached to the valve covers. Install both breathers as a unit. Tighten the clamps.
Place clamp (1) on the part of the hose tee that will receive tube (2). Install the tube. Tighten the clamp to 3.0 0.5 N m (27 4 lb in).