MTU Detroit Diesel 12 V 2000 P62, Technical Publication

Page: 163 / 208

Task Description 159
6.19.2 LOP test procedures
Preconditions
• Engine is stopped and starting disabled.
Preparatory steps
1. Connect battery in accordance with battery
manufacturer’s instructions.
2. Switch master power switch to ON.
3. Switch on ECS-5.
Result:
• LOCAL OPERATION button (1) is illuminated
brightly (local control mode is active);
Switching between local and remote control mode (automatic on-board network)
1. Press LOCAL OPERATION button (1).
Result:
• LOCAL OPERATION button (1) flashes: Setting does not correspond with feedback signal from ECU.
• LOCAL OPERATION button (1) is illuminated at basic brightness: Remote control mode is active.
2. Press LOCAL OPERATION button (1) again.
Result: LOCAL OPERATION button (1) is illuminated brightly (local control mode is active);
Overspeed test with the engine at standstill
Note: Overspeed test with the engine at standstill
can only be carried out if the engine is
equipped with EMU.
1. Press TEST OVERSPEED button (3). Observe
speed limit and speed simulated by EMU on
display.
Result:
• ECU is deenergized by the safety system.
• Engine control is deactivated.
• Engines with emergency air-shut-off flaps:
Flaps close;
• EMERGENCY STOP button (2) flashes;
Signalization by horn, flash lamp etc. is
released; ALARM ACKNOWLEDGE button (1)
is illuminated brightly.
2. Press ALARM ACKNOWLEDGE button (1).
Result: Audible and visual signalization stops.
3. Press ALARM ACKNOWLEDGE button (1) again.
Result: Power supply to ECU is provided.
4. Engines with emergency air-shut-off flaps: Flaps
open.
MS15009/00E 06-09 © MTU