TM 5-6675-348-13&P
Table 3-7. Blade Pro Motor Grader Control System Troubleshooting (Cont)
Malfunction
Test or Inspection
Corrective Action
Ensure Tracer Sonic Grade Controller (1) is within its operating range.
Step 1.
Adjust Tracer Sonic Grade Controller (1) to within 8 to 42 in. (20.3 to 107 cm) of
reference surface.
Ensure Tracer Sonic Grade Controller (1) is directly over reference surface.
Step 2.
Ensure Tracer Sonic Grade Controller (1) is vertical and plumb over reference
surface. Adjust Tracer Sonic Grade Controller (1) over reference surface.
If connections are wet, the Remote Interface Box will be damaged.
Check Tracer Sonic Grade Controller (1) cable connectors for looseness and/or moisture.
Step 3.
Ensure all connectors are clean and dry. Securely reconnect Tracer Sonic Grade
Controller (1) cable.
Check Coil Cable (3) between Tracer Sonic Grade Controller (1) and Remote Interface Box
Step 4.
for damage.
If Coil Cable (3) is damaged, replace it.
Check Transducer screen (2) on bottom of Tracer Sonic Grade Controller (1) for dirt.
Step 5.
Clean Transducer screen (2).
