Service Manual

Air Compressor Cylinder Head, Single Cylinder ISB, ISBe and QSB (Common Rail [...]
Page 12-12 Section 12 - Compressed Air System - Group 12
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Preparatory Steps
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.
WARNING
Wait until the temperature is below 50°C [120°F] to
avoid personal injury from hot coolant.
Use this list for the ISB, ISBe, and QSB engines.
• Disconnect the batteries. See equipment manufacturer
service information.
• Drain the cooling system. Refer to Procedure 008-018
in Section 8.
• Remove the air inlet and outlet connections from the
air compressor. Refer to Procedure 012-014 in Section
12.
• Remove the air compressor coolant lines. Refer to
Procedure 012-004 in Section 12.
• Remove the air governor or air governor signal line, if
equipped. See equipment manufacturer service
information.
Use this list for the QSB4.5 CM2250 EC engines.
• Disconnect the batteries. See equipment manufacturer
service information.
• Drain the cooling system. Refer to Procedure 008-018
in Section 8.
• Remove the air inlet and outlet connections from the
air compressor. Refer to Procedure 012-014 in Section
12.
• Remove the air compressor coolant lines. Refer to
Procedure 012-004 in Section 12.
• Remove the air governor or air governor signal line, if
equipped. See equipment manufacturer service
information.