Maintenance
5564−1/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
1/ 3
Tools: Key to Illustrations:
1 Lifting plate 94584 1 Piping 10 Position sensor
2 Withdrawing tools 94589 2 Hose line 11 Nipple
3 Hose line 12 Nipple
4 Fuel rail 13 Dowel pin
5 Injection control unit 14 Connecting nipple
6, 6a Screw 15 Filter holder
7 Pre-control valve 16 Oil filter
8 Screw 17 Circlip
9 Lip seal 18 O-ring
1. General
When working on an injection control unit the engine has to be stopped and the fuel
booster and bearing oil pumps switched off.
If it is necessary to replace an injection control unit, the engine must operate for a
minimum of 1.5 hours with marine diesel oil (MDO). For more data see Operation
Manual 0270−1.
Attention! Fuel rail 4 must be pressureless! The corresponding drain (screws)
valves must be opened as described in 0510−1 of the Operating Manual. Follow
the detailed instructions without fail!
Maintenance works on the injection control unit may be carried out only by the
manufacturer as a matter of principle. However, if troubles have been detected on
the injection control unit during operation, it must be replaced by a revised unit,
following the instruction below.
Remark: No maintenance work is provided for pre-control valve (rail valves) 7. If
necessary it must be replaced as a whole unit!
2. Removal
⇒ Remove HP pipes to injection valves according to 8733−1.
⇒ Loosen piping 1, hose lines 2, 3 on injection control unit 5 and unscrew nipples
11 and 12 (the nipples are screwed into the spare injection control unit).
⇒ Remove screws 6 and 6a.
A
018.152/09
3
1
FREE
END
5
11
6
2
6a
12
4
Injection Control Unit
Removal and Fitting
Mk II / 2013
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