Remove/Install Exhaust Gas AFTERTREATMENT System Control Unit - Ar49.20-D-0025TS

Engine 642 in model 907 

Engine 651 in model 907 

Engine 654.9 in model 907.1/2/6/7 

Shown on model 910 

Shown on model 907 

	Notes on carrying out repair work in the vehicle interior		AH68.00-N-0001-01S
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
2.1	Remove electronic ignition lock control unit (3) from bracket.	Engine 651 in model 910 Do not disconnect electrical connectors.	AR54.21-D-0038TSF
2.2	Remove signal acquisition and actuation module control unit (SAM).	Engine 642, 651 in model 907	AR54.21-D-0048TSR
3	Release and disconnect electrical connectors (2).
4	Remove control unit (1).	Engine 642, 651 in model 907 For this purpose, release control unit (1) at side (arrow) and remove from bracket.  Engine 651 in model 910 For this purpose, release control unit (1) and remove from bracket.
5	Install in the reverse order.
	Check
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
6	Perform engine test run.