Runup, Performance Check; Performance Check; Ignition Check L 2400 Df/Dt/Dx/Ds; Hot Engine Start-Up - LIMBACH L 2400 EF Operating And Maintenance Manual

Turn emergency switch to normal mode
The emergency indication disappears.
Move the throttle lever to 5-10 % power.
Check propeller clearance
Start engine.
When the engine is firing, release starter button and set engine speed to
appr. 1300 rpm by means of the throttle lever.
Check oil pressure (must increase within 10 sec.).
6.3

Runup, Performance Check

Run the engine for approx. 2 min. at 1300 rpm. Then increase speed to 1500 rpm until oil
temperature is 50 °C.
Due to the sluggish action of the indication, there will be sufficient effective operating
temperature at 50 °C already.

6.3.1 Performance Check

Move throttle lever to full-throttle stop. Engine has to reach the full-throttle static speed
published in the flight and maintenance manual of the aircraft manufacturer. Return
throttle lever to idle.

6.3.2 Ignition Check L 2400 DF/DT/DX/DS

Using the throttle lever set the engine speed to 2000 rpm.
Check function of both ignition circuits starting from position „Ignition circuit 1+2".
The engine must operate without misfiring in all operating modes of the ignition switch.
The engine speed may not drop more than 100 rpm using the position "Ignition circuit 1+2"
as a reference.
Set the ignition switch to position "Iginition circuit 1+2"
Caution:
If full-throttle ground runs are made for a longer period, overheating
of the engine is possible!
6.4

Hot Engine Start-Up

Hot engine starting is performed as described in Chapter 6.2, but without checking the
emergency switch.
Edition: 20.06.2018
Operating Manual
L 2400 EF/DF/ET/DT/DX/DS
Page: 25/53