Isuzu AA-6HK1T, Workshop Manual

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ENGINE INDUCTION 6J–3
Identification
The turbocharger name plate gives the date of
manufacturer and other important information required
to identify the unit when service inquiries are made.
The turbocharger name plate has the following
information stamped on it. Refer to the illustration.
(1) Turbocharger specification, production year, and
production month.
Example: VIBU
(2) Production date, serial number, and production line
name.
Example: RHG6
(3) Part number assigned by ISUZU MOTORS
LIMITED.
Example: 1144003281
Part numbers indicate specific designs or
configurations.
Turbocharger Servicing
1. Refer to TROUBLESHOOTING in this Section to
determine whether or not turbocharger repair or
overhaul is required.
2. The following procedures should also be performed
(either with the turbocharger on the equipment or
removed from the equipment but not disassembled)
to determine whether or not turbocharger repair or
overhaul is required.
* Visual checks
* Clearance measurements
* End play measurements
Refer to INSPECTION AND REPAIR.
3. The turbocharger compressor and turbine housing
may be removed from the center housing and
rotating assembly (CHRA) for further visual
inspection.
Precaution
Turbocharger servicing requires great care and
expertise.
Faulty turbocharger servicing procedures can result in
serious damage to pistons, valves, cylinder liners, and
other important engine parts.
ISUZU does not recommend the performance of any
servicing procedure not described in this Manual.
Contact your nearest IHI service facility to have the
turbocharger assembly repaired or overhauled.
The identification plate and assembly number will be
required by the service facility.
A list of IHI Turbocharger Service Network locations is
given at the end of this Section.
1
2
3
Name plate sample
Turbo Spec.
Serial No.RHG6
Part No.