6.3.7 Ignition system – Ignition timing check
Preconditions
☑
Operating voltage of genset control system is present.
☑
Genset is disconnected from the mains.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Stroboscope (Not stocked by MTU)
-
DANGER
Live components, flash-over.
Risk of serious injury - danger to life!
• Always wear electrical gloves (class 4 minimum) when touching the ignition cable in operation.
DANGER
Rotating and moving engine parts.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Before cranking the engine with starter system, make sure that there are no persons in the en-
gine's danger zone.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
Ignition system – Ignition timing
check
Note:
The service tool Diasys and a dongle with
access rights 1A or higher is required to
determine the ignition setpoint.
1.
Stop engine (→ Page 45).
2.
Install stroboscope clamp on cylinder A1
ignition cable.
3.
Start engine (→ Page 42).
4.
Using the stroboscope, check ignition tim-
ing on flywheel mark and compare with the
engine-specific setpoint value.
5.
If the ignition timing deviates from the
specification, it must be adjusted by cor-
recting the reset position in the ignition
system. The reset position is corrected in
the engine governor with the Diasys service
tool.
6.
Check ignition timing.
7.
Disconnect stroboscope.
8.
Stop engine (→ Page 45).
MS150115/00E 2013-10
| Task Description | 143
TIM-ID: 0000043949 - 003
