Removing injectors
WARNING!
General
Applies to 9, 13 and 16 litre engines with XPI and cylinder block generation 2.
• The fuel system has a very high fuel pressure of up to 3,000 bar.
• The fuel system must be depressurised using SDP3 before any work is started.
• The system should always be treated as pressurised, even when the engine is
switched off.
• Wear protective gloves and goggles.
Tools
Examples of suitable tools from Scania:
Part number Designation
99 475 Crow bar for removing injectors
General
03:87-00 Issue 1 en-GB 1 (4)
©
Scania CV AB 2012, Sweden
Removing injectors
1. Injector
2. O-ring
3. Sealing washer
4. O-ring
5. Connection
6. Cap nut
7. Holder
8. Screw
Work description
1. Start by depressurising the fuel system.
2. Place a rag over the high pressure pipe nut at the accumulator for the cylinder
where the injector has to be removed. Then carefully undo the nut.
3. Remove the upper rocker cover.
4. Undo the nuts for the electric connections to the injector.
5. Remove the high pressure pipe. Undo the cap nut at the connection to the injec-
tor.
Work description
8
7
6
1
5
4
2
03:87-00 Issue 1 en-GB 2 (4)
©
Scania CV AB 2012, Sweden
3
326 650
Removing injectors
Note:
The connection must be removed before the injector can be removed.
6. Undo the cap nut for the connection and pull the connection upwards.
To gain access to the connection for cylinder 5, the high pressure pipe for cylinder 6
must first be removed. If it is difficult to pull the connection upwards, you can replace
the cap nut with nut part number 812 889. Lever carefully with a crow bar.
7. Undo the injector holder screw.
Work description
03:87-00 Issue 1 en-GB 3 (4)
©
Scania CV AB 2012, Sweden
Removing injectors
210 864
8. Undo the injector using the special tool, by prising in the groove on the injector
sleeve. Check to ensure that the sealing washer follows along up and does not remain in the cylinder head.
Work description
03:87-00 Issue 1 en-GB 4 (4)
©
Scania CV AB 2012, Sweden
Loading...