PROCEDURE
1 If the exhaust valve control unit (VCU) is a new item, carefully remove it from its
package.
2 Use oil to clean the VCU (005, Figure 10-38).
3 Remove the blanks from the ports in the VCU (005).
Fig 10-38 Exhaust valve control unit - install
001
002
003
004
005
006
007
008
A
B
C
D
E
F
00402
4 Clean the seating surfaces of the VCU (005) and the holder (006).
5 Make sure that the mating surfaces of the holder (006) and the VCU (005) have no
damage (for example no dents or no raised areas).
X72DF
AA00-5612-00AAA-720A-A
Maintenance Manual Exhaust valve control unit (VCU) - install
Winterthur Gas & Diesel Ltd.
- 619 - Issue 002 2020-10