Adjusting the position changeover switch in the transmission shaft

AR27.19-S-0310A

10.1.96

MODEL 638 with ENGINE 111, 601, 611

S27.19-2013-12

1 Torx screws

2 Adjustment plate

3.1  Adjustment gauges

3.2 Set pin

	Adjusting
1	Select position “N” in the transmission
2	Remove the position switch (B73)	Transmission installed	AR27.19-S-0300A
		Transmission removed	AR27.19-S-0300B
3	Slacken the Torx screws (1)		*WH58.30-Z-1049-06A
			*WH58.30-Z-1048-06A
4	With transmission in position “N”, place the adjustment gauge (3.1) on the gear selector assembly and secure it.	  The adjustment gauge (3.1) can only be placed in one position on the gear selector assembly	*WH58.30-Z-1010-12A
5	Move the adjustment plate (2) until the set pin (3.2) permits it to be inserted through the adjustment gauge (3.1) and the hole (arrow) of the adjustment plate (2)		*WH58.30-Z-1010-12A
6	Tighten the Torx screws (1)	 Seal the heads of the combined screws (1) with sealing wax
			*BA27.19-N-1004-02A
			*WH58.30-Z-1049-06A
			*WH58.30-Z-1048-06A
7	Remove the adjustment gauge (3.1) and the set pin (3.2)		*WH58.30-Z-1010-12A
8	Install the position switch (B73)	Transmission installed	AR27.19-S-0300A
		Transmission removed	AR27.19-S-0300B
9	Check the operation of the gear shifts	 Do a trial drive, and if appropriate,  repeat the adjustment operation

 Electrics, transmission

Number	Designation		Model 638 with engines 111, 601.970, 611.980	Model 638 with engine 104.900


BA27.19-N-1004-02A	Screw of adjustment plate (position switch) to transmission housing	Nm	10	–

Commercially available tools

Number	Designation
WH58.30-Z-1048-06A	Bit holder, 1/4"
WH58.30-Z-1049-06A	Internal torx-bit with bore T27
WH58.30-Z-1010-12A	Adjusting gauge of position switch for automatic transmission T0, GLC-Germersheim	Q5X46 001 454