ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 010-133   Inline Air Filter

The inline air filter is in the line that feeds the dosing control unit. It is in the system to protect the dosing control unit from excessive oil carryover.

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

Drain down the vehicle air system before removing this filter.

Refer to OEM procedure.

Locate the inline air filter.

Refer to the OEM vehicle manual.

Drain down the vehicle air system.

Refer to OEM procedure.

Clean the area around the inline air filter head.

Use the oil filter wrench, Part Number 3400158, to remove the filter.

Clean the sealing surface of the filter head.

Use the correct inline air filter.

See Cummins/Fleetguard®/Nelson filter specifications for the correct inline air filter part number.

NOTE: Be careful that nothing enters into the filter. Be careful to peel the seal back. Puncturing the seal with a knife or sharp object can create debris in the inline air filter container.

Use clean 15W-40 oil to coat the gasket surface of the filter.

CAUTION  Mechanical overtightening of filter can distort the threads or damage the filter element seal.

Install the filter on the inline air filter head. Tighten the filter until the gasket contacts the filter head surface.

Tighten 3/4 to 1 turn after gasket makes contact with the filter head.

Start engine and check for leaks.