Service Manual

ISB, ISBe and QSB (Common Rail [...] Air Compressor
Section 12 - Compressed Air System - Group 12 Page 12-25
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Assemble
Wabco™ Air Compressors
Install the cylinder block mounting bracket and mounting
fasteners.
Tighten the mounting fasteners finger-tight.
Knorr-Bremse™ Air Compressors
NOTE: Make sure the drive gear and air compressor drive
shaft nose are clean and free of any oil before installing
the gear on the air compressor driveshaft.
Install the drive gear onto the air compressor driveshaft.
Install the air compressor drive gear mounting fastener
and tighten.
Torque Value: 160 N•m [ 118 ft-lb ]
Time
NOTE: To make sure the air compressor does not
contribute to engine vibrations when installed, the air
compressor must be properly timed to the engine.
Use the barring tool, Part Number 3824591, or equ
Align the vibration damper so that the TDC indicator on
the vibration damper is at the 12-o'clock position.