Service Manual

ISB, ISBe and QSB (Common Rail [...] Air Compressor
Section 12 - Compressed Air System - Group 12 Page 12-23
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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
Coolant is toxic. Keep away from children and pets. If
not reused, dispose of in accordance with local
environmental regulations.
WARNING
Wear safety glasses or a face shield, as well as
protective clothing, to prevent personal injury when
using a steam cleaner or high-pressure water.
WARNING
Wear appropriate eye and face protection when using
compressed air. Flying debris and dirt can cause
personal injury.
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.
• Disconnect the batteries. See equipment manufacturer
service information.
• Drain the engine coolant. Refer to Procedure 008-018
(Cooling System) in Section 8.
• Use steam to clean the air compressor. Dry with
compressed air.
• Remove the coolant lines from the air compressor.
Refer to Procedure 012-004 in Section 12.
• Remove the air connections from the air compressor.
Refer to Procedure 012-004 in Section 12.
• Remove or disconnect the air governor. See
equipment manufacturer service information.
• Remove any driven equipment from the back of the air
compressor, if equipped.
Remove
Remove the air compressor support bracket and
capscrews from the rear of the compressor.