TM 9-6115-730-24
0013
ELECTRONIC TECHNICIAN (ET) TROUBLESHOOTING - Continued
SYMPTOM
8.
Engine Timing Sensor Calibrate.
This procedure is required if a 261-E-13 Engine Timing Calibration code is active. This procedure requires 2
people.
Also use this procedure if any of the following conditions exist:
The ECM has been replaced.
The Engine Timing sensors have been replaced.
The front engine gear group has been serviced.
The following tools (Table 5) are required:
Table 5. Required Tools
PART NUMBER
DESCRIPTION
7X-1171
Transducer Adapter
6V-2197
Transducer
7X-1695
Cable Assembly
170-3519
Harness
MALFUNCTION
Engine timing is not calibrated.
CORRECTIVE ACTION
STEP 1.
On EMCP, set ENGINE CONTROL switch to OFF/RESET. Set Battery
Disconnect Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
Remove timing calibration plug (Figure 7, item 1) from right side of engine.
CAUTION
If crankshaft counterweight is not positioned directly in front of timing calibration port when timing
calibration transducer is installed, damage to the timing calibration transducer will result when
engine is started.
STEP 3.
One person use a flashlight to look for the crankshaft counterweight.
STEP 4
Second person rotates the engine by bumping the DEAD CRANK SWITCH
(quickly setting DEAD CRANK SWITCH to CRANK then back to OFF). Rotate
engine in increments until crankshaft counterweight is positioned directly in front
of the timing calibration port. Adjust crankshaft counterweight position as
required.
STEP 5.
Install the 7X-1171 transducer adapter into the timing calibration port hole.
