Service Manual

ISB, ISBe and QSB (Common Rail [...] Service Tools
Section 5 - Fuel System - Group 05 Page 5-1
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Service Tools
Fuel System
The following special tools are recommended to perform procedures in this section. The use of these tools
is shown in the appropriate procedure. These tools can be purchased from a local Cummins® Authorized
Repair Location.
Tool No. Tool Description Tool Illustration
3164044
Fuel Pressure Gauge Adapter
Used to measure fuel pressure and detect air in the fuel system. Use
with Pressure/Vacuum Module, Part Number 3164491 (engines
without EGR only)
3164491
Pressure/Vacuum Module
Used to measure fuel pressure and restriction.
3164488 or
3164489
Digital Multimeter
Used to measure electrical circuits: Voltage (volts), resistance
(ohms), and current (amps). 3164488 — Standard meter. 3164489
— Automotive meter with built in temperature adapter and
tachometer.
3824510
Quick Dry (QD) Cleaner
Used to clean parts and tools safely.
3164325
Fuel System Leak Tester
Used to cut off the fuel supply to the injector to diagnose it for
leakage and malfunction. Used on fuel rails with 14 mm threads.
3823705
Graduated Beaker
Used to measure fuel return flows.