ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 012-004   Air Compressor Coolant Lines

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.

WARNING  Do not remove the pressure cap from a hot engine. Wait until the coolant temperature is below 50°C [120°F] before removing the pressure cap. Heated coolant spray or steam can cause personal injury.

WARNING  Coolant is toxic. Keep away from children and pets. If not reused, dispose of in accordance with local environmental regulations.

• Drain the cooling system. Refer to Procedure 008-018 in Section 8.

NOTE: The air compressor cooling lines illustrated can differ depending on the compressor installed. Although different, the procedure remains the same.

Remove the coolant lines from the air compressor.

Remove the coolant lines from the air compressor cylinder head and cylinder block.

Inspect the coolant hoses and coolant lines for restriction of coolant flow.

NOTE: The air compressor cooling lines illustrated can differ depending on compressor installed. Although different, the procedure remains the same.

Install the coolant lines.

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.

• Fill the cooling system. Refer to Procedure 008-018 in Section 8.
• Connect the battery. Refer to Procedure 013-009 in Section 13.
• Operate the engine and check for leaks.