DRUM 6K6907 - Caterpillar

1. Select the red and gray 10:1 scope probes and a third 10:1 scope probe. Connect the red 10:1 probe to CHANNEL A and the gray 10:1 probe to CHANNEL B. Connect the third 10:1 probe to the EXT TRIGGER IN using a dual-banana to female-BNC adapter. The black, or ground, banana plug MUST be connected to the black COM socket of the EXT TRIGGER IN.2. Using Table 1, connect the Channel A probe (red) to the combustion buffer signal for the appropriate engine bank.3. Using Table 1, connect the Channel B probe (gray) to the detonation signal for the appropriate engine bank.4. Connect the EXT TRIGGER IN probe to the Cylinder #1 Combustion Buffer Signal (S780/WH). Connect the Ground of the EXT TRIGGER IN probe to the Detonation Sensor GND.
Table 1: Combustion Buffer and Detonation Signal Connections for G3600 Engines5. With the engine running at 1000 rpm, the scope traces should resemble Figure 1.
Figure 1: Right Detonation Signal (top trace) with Odd Combustion Buffer Signal (bottom trace) (G3612)