ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 003-002   Crankcase Breather (Internal)

Remove the breather.

Remove any gasket material from the breather and the breather mounting surface on the block.

WARNING  When using solvents, acids, or alkaline materials for cleaning, follow the manufacturer’s recommendations for use. Wear goggles and protective clothing to avoid personal injury.

WARNING  Some solvents are flammable and toxic. Read the manufacturer’s instructions before using.

WARNING  Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause personal injury.

Use a solvent to clean the crankcase breather.

Dry with compressed air.

Inspect the breather for cracks or other damage.

Place a new breather gasket on the breather.

Install the breather into the block.

Tighten the capscrews in a crisscross pattern.