TM 1-2840-252-23-3
G-60
T4.5 LOAD SHARE SELECTED, T4.5s NOT MATCHED EXPANDED INSTRUCTIONS
Refer to numbered steps in figure 146.
Step 1.
Refer to manufacturer's procedure to check for power limiting.
Step 3.
Check harness connectors PL1 and PL3 (figure 201) at each DECU,and J19 at each T4.5 harness for
tight connections.
Step 4.
At each DECU and T4.5 harness, disconnect connectors PL1, PL3 and J19 to check pins and sockets.
Step 5.
Refer to manufacturer's procedure for checking operation and accuracy of T4.5 gauge and harness
assemblies.
Step 7.
At each DECU, with PL1 disconnected and load share switch in Q position, check resistance of load
share switch at harness PL1 connector sockets L and j. (figure 202). Limit is < 0 . Check resistance at
5
sockets M and j. Limit is >150K . With load share switch in T4.5 position, check resistance at sockets L
and j. Limit is >150K . Check resistance at sockets M and j. Limit is <50 . With load share switch in
N1 position, check resistance at sockets L and i., and M and j. In each case, limit is > 50K .
1
Step 8.
Before tightening harness connectors PL1, PL3 and J19, be sure that keyway in harness connectors are
aligned with keyways in component connectors.
Step 14.
Refer to manufacturer's procedure for diagnosing and repairng engine.
i
Step 16.
Refer to manufacturer's procedure for diagnosing and replacing harness.
Step 20.
Refer to manufacturer's procedure for diagnosing and replacing switch or harness.
Step 22
Refer to manufacturer's procedure for diagnosing and replacing harness or T4.5 gauge.
G-139
