Removing, installing fuel pump · ar4720s5710a · Mercedes-Benz WIS

AR47.20-S-5710A

Removing, installing fuel pump

15.6.98

ENGINE 611.980 in MODEL 638.094 /194 /294
with CODE (MQ4) Engine OM611 DE22 LA (75 CKA)
with CODE (MQ5) Engine OM611 DE22 LA (90 CKA)

ENGINE 611.980 in MODEL 638.094 /194 with CODE (MQ3) Engine OM611 DE22 A (60 CKA)

S47.20-2509-06

1 Vacuum pump

2 Fuel feed line

3 Fuel return flow line

4 Fuel pump

5 Bolt

6 Sealing ring

7 Bolt

 	Removing, installing
1	Remove vacuum pump (1)		AR43.05-S-1320B
Danger!	Risk of explosion from ignition, risk of poisoning from inhaling and swallowing fuel, as well as risk of injury from skine and eye contact with fuel.	No fire, sparks, naked flames or smoking. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
2	Disconnect fuel lines (2, 3) at fuel pump (4)	 Pay attention to use of locking arm. Refer to 
		Detach fuel lines at engine, attach	AR47.25-P-1000-01A
		 Collect fuel which flows out.
3	Unscrew bolts (5) at fuel pump (4)		*BA07.16-P-1010-01A
			*001589760900
4	Remove fuel pump (4)	Ensure scrupulous cleanliness. Fuel pump must not be disassembled.
		 Installation: Clean sealing surface. Replace seal (6).
5	Reinstall in opposite order.
	Inspecting
Danger!	Risk of accident from vehicle starting off by itself when engine running. Risk of injury from bruises and burns if you hold your hand into engine when it is started or when it is running.	Secure vehicle to prevent it moving off by itself. Work appropriate workclothes when carrying out work on the vehicle.	AS00.00-Z-0005-01A
6	Run engine and inspect for leaks

 Common rail diesel injection (CDI)

Number	Designation		Engine 611.980


BA07.16-P-1010-01A	Bolt of predelivery pump to top cover of cylinder head	Nm	9

External Torx set

001 589 76 09 00

ar4305s1320b
ar4725p100001a Odłączanie i podłączanie przewodów paliwowych przy silniku
as0000z000501a Niebezpieczeństwo wypadku na skutek samoczynnego ruszenia przy pracującym silniku. Niebezpieczeństwo obrażeń na skutek zmiażdżenia lub poparzenia przy wykonywaniu czynności podczas rozruchu lub przy pracującym silniku.
as4700z000101a Niebezpieczeństwo wybuchu wskutek zapalenia, niebezpieczeństwo zatrucia wskutek wdychania i połknięcia paliwa oraz niebezpieczeństwo obrażeń wskutek kontaktu skóry i oczu z paliwem.