OM 617 – Removal and installation of preglow starter switch with cable control

A. Model 11 5.1
Removal
1. Remove instrument cluster.
2. Unscrew pull knob and rosette and pull preglow starter switch ( 1 ) into range of combination
cutout.
3. Unscrew cable control (3) from steering lock switch (2).
4. Loosen start and stop control (5) to injection pump on preglow starter switch and disconnect.
5. Pretension cable control with cap nut (41, disconnect on preglow starter switch and unscrew.
6. Disconnect electric lines.

Installation

7. For installation proceed vice versa.

B. Model 123.1
Removal
1. Remove start and stop control on injection pump and Bowden wire for idle speed adjuster on guide
lever at cylinder head cover.
2. Remove pull-push knob on instrument panel. For this purpose, insert a wire through bore of pull-push knob and press off cover.
3. Unscrew hex nut and remove pull-push knob.
4. Unscrew fastening nut on instrument panel and pull out preglow starter switch with Bowden wires
in downward direction.
Attention!
Avoid buckling of Bowden wires.

5. Remove Bowden wires.
a) Remove start and stop control ( 11. For this purpose, force off lock (4).
b) Remove Bowden wire for idle speed adjuster (2).
For this purpose, remove clamp ( 3 ) , unscrew wire coil, lift slightly and pull out.

6. Unscrew cable control (4) on steering lock switch (2).

7. Disconnect electric lines and remove preglow starter switch.

Installation

8. For installation proceed vice versa.
Connection of electric lines:
Color redlblack            Terminal 15/54
Color purple                   Terminal 19
Color purplelwhite     Terminal 50