Removing and installing injection nozzles (DE) · ar0713b9230a · Mercedes-Benz WIS

AR07.13-B-9230A

Removing and installing injection nozzles (DE)

12.02.16

Cumbustion engine 475 with Vehicle 695.034, 695.051

Cumbustion engine 476 with Vehicle 695.024, 695.052

Removing and installing injection nozzles (DE)

B07.15-1150-11

1 Injection nozzle carrier

2 Injection pipes

3 Valve carrier

4 Injection pump

5 Screw fastening the clamp on the pipes

6 Screw fastening the clamp on the block

	Remove
Danger!	Risk of poisoning when utilizing noxious products. Risk of explosion when utilizing flammable products. Risk of injuries (eyes and skin).		AS47.00-B-0001-01A
1	Turn-off the master switch, or detach the battery negative lead.	Loosen the lead bolt on the side rail avoiding loosening the poles.
2	Tilting the engine hood.	On vehicles with chassis: 386.0; 386.3; 388.0.	AR88.40-B-1000A
3	Open the engine rear cover.	On vehicles (buses): 664.0; 664.1; 664.2.
4	Detach the injection pipe (2) at the injection nozzle carrier (1).	Do not fold the injection pipes. Do not slacken the injection pipes (2) for bleeding.
			*000589680300
5	Secure the valve carrier (3) of the injection pump (4) and loosen the injection pipe nuts.		*000589070300
			*000589500300
6	Loosen and remove the screw (6) fastening the clamp of the injection pipes (2) to the engine block.	To separately remove one injection pipe, follow the previous sequences only for the desired pipe, additionally remove, the screw fastening the corresponding clamp.
7	Remove the injection pipes (2).	Protect the injection pipes to avoid impurities.
	Installing
8	Install the pressure pipes on the injection pump (4), and on the injection nozzle carrier (1).	Do not fold the injection pipes (2). Observe the correct assembly position
			*000589070300
			*000589500300
			*000589680300
			*BA07.11-B-1007-01B
9	Install the screw (6).
10	Bleeding the fuel system.		AP47.00-B-1720-01B
Danger!	Risk of personal and material damage when cranking the engine with the gearbox engaged in gear. Risk of personal damage when carrying out jobs with the engine heated-up and running.	Be sure the gearbox is in neutral. Wear appropriate clothing and pay attention to engine moving and heated-up parts.	AS00.00-B-0005-01A
		 Do not crank the engine continuously for more than 10 seconds. If the engine does not start within this interval, wait for some 30 seconds operate the starter again.
11	Check the injection pipes (2) for tightness.	In case of leakage, replace the damaged pressure tube (2).

Diesel injection system

Número	Denominação		Engine 475.9, 476.9


BA07.11-B-1007-01B	High pressure pipes.	Nm	25

000 589 07 03 00

Special 17-19 mm wrench

000 589 50 03 00

Special spline wrench

000 589 68 03 00

Special 17mm wrench

Referenced documents

ap4700b172001b Bleed fuel system
ar8840b1000a Opening engine hood, moving to upright position and closing
as0000b000501a 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.
as4700b000101a Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.