OPERATION 3.2 CONSTRUCTION OF THE SHOVEL Clearing Active Faults and Reset the Centinel System to Operational Condition Legend for illust. (Z 23056) The illustration shows the terminal configuration on the (X2) switch board for the FRONT ENGINE 2 (1) Calibration Plug for Engine Oil Quality (2) Bridge wire for resetting the Centinel system to oper- ational condition Resetting of the Centinel system is necessary: After every engine oil change. Whenever the engine oil reserve tank has been allowed to run empty. After repairs on the Centinel system. Proceed as follows: 1. Turn key switch to ON position.
To prevent starting of the engine, remove plug from pre-lube time relay 3D30-1 for rear engine 1 and/or 3D30-2 for front engine 2. Turn starter switch of the concerned engine and release. 2. For resetting the Centinel system of the FRONT ENGINE 2, bridge the contacts no. 63 and 64 at the terminal block (X2N) by inserting bridge wire (2). Remove the bridge wire (2). 3. For resetting the Centinel system of the REAR ENGINE 1, bridge the contacts no. 61 and 62 at the terminal block (X2M) by inserting bridge wire (2). Remove the bridge wire (2). For additional information refer also to the electrical diagram, page CENTINEL CONTROL MODULE. Check the Centinel System for proper Operation 1.
Install plug to pre-lube time relay 3D30-1 for rear engine 1 and/or plug to pre-lube time relay 3D30-2 for front engine 2. 2. Start the engine(s). Look at the indicator lights (3) on monitor box (2), see page 67 for more information. The green light must be illuminated with the engine running. Calibration Plug for Engine Oil Quality Ex works the calibration plug (1) is installed for Centinel operation with Mineral engine oil. When changing the engine oil quality from Mineral oil to Synthetic oil, the calibration plug (1) must be replaced accordingly. For FRONT ENGINE 2, remove calibration plug (1) from contacts 62/63 at the terminal block (X2N) and insert to contacts 63/64.
For REAR ENGINE 1, remove calibration plug from contacts 60/61 at the terminal block (X2M) and insert to con- tacts 61/62. Be sure to re-position the calibration plug when changing back to Mineral engine oil. Use only engine oils as spec- ified in the Engine Operation and Maintenance Manual. 69