WinGD X62DF, Maintenance Manual

Page: 805 / 902

PROCEDURE
1 To remove a defective LDU-20 in the local control panel do the steps that follow:
NOTE: The LDU-20 in the local control panel is the master.
Fig 14-9 LDU-20 rear view
008
00137
003
009
007 006 005 004
002
001
1.1 Open the cover of control box E25 to get access to the rear of the LDU-20 (009,
Figure 14-9 ), refer to the Operation Manual.
1.2 Record the positions of the plugs and cables that follow:
• The plug X21 (007) and plug X22 (005)
• The cables of the service connection (002)
• The cables to the Ethernet connection (003).
1.3 Remove and discard the four cable ties (004).
1.4 Disconnect the plugs X21 (007) and X22 (005).
1.5 Disconnect the cables from the Ethernet connection (003).
1.6 Disconnect the cables from the service connection (002).
1.7 If installed, disconnect the USB cable (006).
1.8 Disconnect the earth cable (008).
1.9 Remove the four nuts and spring washers (001) from the studs.
1.10 Remove the LDU-20.
1.11 Attach an UNSERVICEABLE label to the LDU-20.
2 To remove a defective LDU-20 in the engine control room do the steps that follow:
2.1 Get access to the rear of the LDU-20. Refer to the documentation of the control
panel manufacturer.
X72DF
AA00-9606-00AAA-520A-A
Maintenance Manual LDU-20 - remove
Winterthur Gas & Diesel Ltd.
- 805 - Issue 002 2020-10