AZL GE ES44AC - herbertanglikers-modelleisenbahnen

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AZL GE ES44AC

The ES44AC was released in July 2017.

The EMD E8/E9 engines come in two versions: an AZL and Märklin version. Mechanically they are the same.

The AZL version comes equipped with the front pilot installed. The pilot has a dummy AZL coupler. The pilot can be replaced with the enclosed truck mounted AZL front coupler.

On the other hand, the Märklin version comes with a truck mounted Märklin front coupler. When using the engine as lead engine the enclosed pilot with the dummy AZL coupler and the enclosed truck without a coupler should be installed. This gives a neater look when the engine is the lead engine.
There is a major difference in lighting the headlight between the AZL and Märklin versions. The result is that the AZL version has no or only a weak visible light, while the Märklin version has a bright light. The light of the AZL version is only visible when looking from above.

Märklin Southern Pacific E9A
1. Truck exchange and cosmetics
First, the front truck was exchanged and the pilot mounted.
Then, the chassis was blackened behind the round windows; this gives a more realistic appearance of the model (this is an idea of the trainini magazine: Trainini Magazine: June 2015).
2. Digitalization
Digitalization was carried out with the drop-in decoder of my choice: the AZL4 from TCS, which has two additional functions that were used for illuminating the headlights.

3. Illuminating the headlights
The light printed circuit board (PCB) takes the power from the two chassis halves. After digitalization the light does not function anymore. The light PCB has to be separated electrically from the two chassis halves. The blank copper pads of the back were scrapped away. The blank copper pads of the front were scrapped away from the edges. The slit formed by the two chassis halves has been widened up and the PCB has been inserted, protected with pieces of thin cardboard to make sure that there is no electrical contact between the PCB and the chassis. Wires were soldered to the front pads of the PCB and connected directly to the plus pad and to the function pad F2 of the decoder.

Additionally, a second SMD LED (Bauform 0805, imperial package size) below the original LED was installed to illuminate the lower headlight. The LED was connected with 1.64 kOhm (2 x 820 Ohm) to the other function pad F1. A piece of styrene was glued between the two LEDs to give a better light separation.
4. Mapping
5. Securing the coupler in the pilot
The coupler sticks only loosly in the pilot and can easily get lost. Therefore, it is a good idea to secure the coupler with glue.

AZL Union Pacific E9A/Amtrak E8A

1. Digitalization
Digitalization was carried out with the drop-in decoder  AZL4 from TCS.

3. Illuminating the headlights

4. Mapping

5. Securing the coupler in the pilot
The coupler sticks only loosly in the pilot and can easily get lost. Therefore, it is a good idea to secure the coupler with glue.
Copyright by Herbert Angliker
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