Massoth LGB 20670 Track cleaning loco Quick Manual

Backfitting with 3-pin-gear and an old deg-electronic with a xldecoder

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Lokomotiven

LGB 20670 Track cleaning loco

Backfitting of a LGB "Track cleaning loco" with 3-pin-gear and an old DEG-electronic with a XL-

decoder.

The base PCB will be removed completely, light roof and front building light will be modified.

Pict.-1: LGB 20670

Needed Parts:

• 1x 8150001 XL-Decoder

• Relais 24V / 5A (e.g. RTE24024 Schrack) with free-wheeling diode

• Miscellaneous cables

Remove rear (short) bonnet (Release 2 screws in the frontside).

Remove crossing bonnet in front of the driver's cab (Remove 2 screws below the stairs).

Remove driver's cab (2 screws in access ladder and 2 hidden in the fuel tank).

Remove front (long) bonnet (1 screw before the cleaning block and 2 in the bracket of the cleaning

block).

On the porch PCB swap the red with the black cable (Motor turns against driving direction).

(Who want's a meeker cleaning don't touch the cable and the cleaning motor turns with driving

direction)

Stand 15.04.2020

Seite 1 / 4

Table of Contents

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Page 1 Umbaubericht Lokomotiven LGB 20670 Track cleaning loco Backfitting of a LGB “Track cleaning loco” with 3-pin-gear and an old DEG-electronic with a XL- decoder. The base PCB will be removed completely, light roof and front building light will be modified.
Page 2 Umbaubericht Lokomotiven Pict.-2: New soldered cleaning motor cable Assemble completely cleaning porch. Remove propulsion unit from the chassis (Remove 4 screws from the brackets.) Rebuild the propulsion unit for the 4. (yellow) cable Basics:_Digital_compatible_gears/en Cut the 4 light roof cables, light rear, jack and the 3 cables to the slider porch from the base PCB. Remove base PCB complete.
Page 3 Umbaubericht Lokomotiven Pict.-3: Assembling and wiring of XL-decoder. Before the first test you must program the decoder: CV50 = 5 (light to 5V) CV53 = 5 oder 197 (F1+F2 5V for blinking light on roof) CV55 = 2 (F1 blinking with 0,5sec. clock) CV57 = 16 (F2 coupled on F1) CV56 = 1 (F2 switchable with key 1) CV113 = 129 (F3 with key 1 for cleaning function on driving forward)
Page 4 Umbaubericht Lokomotiven Remove roof from driver’s cab Desolder the diode from roof light PCB Solder additional cable (in Pict.-4 white) on diode soldering point. Extend the remaining 4 cables, for a better assembling. Assemble driver’s cab on the chassis. Assemble the remaining cables like the drawing: Connection plan Black cable from “red/black”...