ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 002-001   Crosshead

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.
• Remove the rocker lever cover. Refer to Procedure 003-011 in Section 3.
• Remove the engine brake assembly, if equipped. Refer to Procedure 020-004 in Section 20.
• Remove the rocker lever assembly. Refer to Refer to Procedure 003-008 in Section 3.

NOTE: Make note of the crosshead location and orientation. If the crossheads are reused, they must be installed in their original location and orientation.

Remove the crossheads.

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 crossheads with solvent.

Dry with compressed air.

Inspect the crossheads for cracks and/or excessive wear on the rocker lever and valve tip mating surfaces.

Inspect the contact pads for cracks and other damage.

NOTE: The crosshead has a round hole and an oval hole. If installing new crossheads, it is not required to place the holes in a particular position.

NOTE: When reusing the crossheads, make sure to install them in their original location and orientation.

Install the crossheads on the valve stems.

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.

• Install the rocker lever assembly. Refer to Procedure 003-008 in Section 3.
• Install the engine brake assembly, if equipped. Refer to Procedure 020-004 in Section 20.
• Install the rocker lever cover. Refer to Procedure 003-011 in Section 3.
• Connect the batteries. Refer to Procedure 013-009 in Section 13.
• Operate the engine and check for leaks.