Service Manual

Aftercooler Assembly ISB, ISBe and QSB (Common Rail [...]
Page 10-6 Section 10 - Air Intake System - Group 10
To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com
Inspect the housing and caps for cracks or other damage.
Inspect the aftercooler housing for deterioration of the
sealing surfaces.
Assemble
Assemble the aftercooler in a vertical position. Install the
aftercooler core into the aftercooler housing. Align the
marks so one flat side of the core is facing the air inlet
side of the housing.
Install a new o-ring around the lower core O.D. Install the
water end cap and tighten the capscrews.
Torque Value: 43 N•m [ 32 ft-lb ]
Install a new o-ring around the upper core O.D. Install the
water end cap and tighten the capscrews.
Torque Value: 43 N•m [ 32 ft-lb ]
Install the zinc plugs and tighten. Refer to Procedure
008-059
Pressure Test
WARNING
Wear appropriate eye and face protection when using
compressed air. Flying debris and dirt can cause
personal injury.
Pressure test the sea water side of the aftercooler
assembly.
Apply 276 kPa [40 psi] air pressure.
Lower the assembly into a tank of water and check for
leaks.
Completely dry the aftercooler with compressed air.