ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 010-131   Air Intake Connection Adapter

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

• Disconnect the batteries. Refer to Procedure 013-009 in Section 13.

This step applies to the QSC8.3 marine engine.

Loosen the clamp at the air intake connection.

Remove the two capscrews and the retaining brace from the aftercooler.

Remove the air intake connection adapter.

Discard the o-ring.

This step applies to the QSL9 marine engine.

Loosen the hose clamps at the aftercooler outlet connection.

Loosen the clamp at the air intake connection.

Remove the air intake connection adapter.

Discard the o-ring.

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

Clean the parts with solvent.

Dry with compressed air.

Inspect the parts for cracks or other damage.

Inspect the o-rings for damage.

Replace the parts if damaged.

This step applies to the QSC8.3 marine engine.

Install a new o-ring on the air intake connection adapter. Lubricate the o-ring with clean engine oil.

Install the adapter to the aftercooler and the air intake connection.

Install the retaining clip at the aftercooler.

Install the clamp at the air intake connection. Tighten the clamp.

Tighten the retaining clip at the aftercooler.

This step applies to the QSL9 marine engine.

Install a new o-ring on the air intake connection adapter. Lubricate the o-ring with clean engine oil.

Install the adapter to the aftercooler outlet and the air intake connection. Tighten the clamp.

Tighten the hose clamps at the aftercooler.

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

• Connect the batteries. Refer to Procedure 013-009 in Section 13.
• Operate the engine and check for boost leaks.