Click here to make tpub.com your Home Page

Page Title: Calibration Procedures
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM 9-2320-312-24-2
Troubleshooting Section
Calibration Procedures
Test Step 1. Install the 7X-1171
Transducer Adapter
A. Turn the ignition key switch to the OFF position.
i01725180
Engine Speed/Timing Sensor -
B. Remove the timing calibration plug from the left
Calibrate
or right front face of the flywheel housing.
C. Install the 7X-1171 Transducer Adapter into the
SMCS Code: 1912-524
hole for the plug.
System Operation Description:
Results:
Use this procedure under the following situation:
OK Proceed to Test Step 2.
Use this procedure if any of the following conditions
Test Step 2. Install the 6V-2197 Magnetic
exist:
Transducer on the Engine.
22-13 Check Timing Sensor Calibration (42)
A. Put a 2D-6392 O-Ring Seal on the end of the
magnetic transducer.
A timing calibration must be performed under the
following conditions:
Note: A small amount of clean engine oil will allow
the seal to slide onto the transducer more easily.
The ECM requires replacement and the ECM
will not communicate with Caterpillar Electronic
B. Push the magnetic transducer through the
Technician (Cat ET) in order to allow the timing
adapter until the magnetic transducer comes in
calibration to be copied when the "Copy
contact with the outermost portion of the flywheel
Configuration-ECM Replacement" feature is used.
timing calibration ring. Move the O-ring seal
downward against the adapter.
Work has been performed on the engine drive
train (front).
C. Withdraw the magnetic transducer 1.0 mm
(0.04 inch) and hand tighten the nut on the
Note: The timing calibration will not increase the
adapter sleeve in order to secure the magnetic
available engine power or the timing calibration will
transducer in place.
not decrease the available engine power. Do not
expect an increase in power due to the performance
D. Check that the probe is properly installed and
of the timing calibration.
snug. The probe should not move when the
engine is started.
Replacement ECM
E. Connect the 6V-2197 Magnetic Transducer to
If a replacement ECM is required, the ECM
the 7X-1695 Cable.
parameters and the timing calibration can
be transferred from the suspect ECM to the
F. Remove the access cover from the J400 engine
replacement ECM. Timing calibration will NOT be
timing calibration connector.
necessary. This feature requires Cat ET and this
feature is only possible if the existing ECM can
Note: Some engines do not have a J400 engine
communicate with Cat ET.
timing calibration connector in the engine harness.
A 170-3519 Harness is required. Refer to Special
Table 203
Instruction, REHS0399, "Installation Of The 170-3519
Required Special Tools
Timing Calibration Harness Assembly On The
3126B Truck Engine" for the installation procedure.
Part Number
Description
6V-2197
Magnetic Transducer
Results:
7X-1695
Cable
OK Proceed to Test Step 3.
7X-1111
Grommet
9S-9082
Engine Turning Tool
170-3519
Harness

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business