Bleed low pressure fuel circuit · ar0716p0100p · Mercedes-Benz WIS

AR07.16-P-0100P

Bleed low pressure fuel circuit

3.11.09

ENGINE 611 in MODEL 202, 203, 210

ENGINE 612 in MODEL 163, 209, 210

ENGINE 612 (except 612.990) in MODEL 203

ENGINE 612 in MODEL 461, 463

P07.16-2523-06

Illustrated on model 203

1 Return connection

2 Venting hose

3 Diesel breather pump

	Removing
Danger!	Risk of explosion caused by ignition of flammable products, risk of poisoning caused by inhaling fuel vapors or swallowing fuel as well as risk of injury to skin and eyes exposed to fuel.	No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
1	Remove cylinder head cover trim	Engine 611	AR01.20-P-5014-02A
		Engine 612	AR01.20-P-5014-02B
2	Detach fuel return line on return connection (1)	 Leave securing clip on line fitting. Refer to
		Separate fuel lines from engine, reconnect	AR47.25-P-1000-01A
3	Connect vent hose (2) on return connection (1)
	Bleeding
4	Apply electrical power	Put plug of diesel breather pump (3) into cigarette lighter.
5	Bleed fuel system	 Bleed fuel system with diesel breather pump (3).
		The ventilation procedure is carried out as long as necessary until no air bubbles are present in the diesel fuel.
		Diesel bleeder pump
	Installation
6	Interrupt power supply.	Pull plug of diesel breather pump (3) out of cigarette lighter.
7	Disconnect vent hose (2) on return connection (1)
8	Attach fuel return line on return connection (1)	 Leave securing clip on line fitting. Refer to
		Separate fuel lines from engine, reconnect	AR47.25-P-1000-01A
	Checking
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
9	Let engine run, check return connection (1) for leaks
10	Install trim panels of cylinder head cover	Engine 611	AR01.20-P-5014-02A
		Engine 612	AR01.20-P-5014-02B
			*BA01.20-P-1002-01A
			*BA01.20-P-1003-01A

 Crankcase ventilation, cylinder head cover

Number	Designation		Engine 611.960/ 961/962	Engine 612.961/ 962/967	Engine 612.965	Engine 612.963	Engine 612.966


BA01.20-P-1002-01A	Bolt, trim panel of cylinder head cover to cylinder head cover	Nm	10	10	10	10	10
BA01.20-P-1003-01A	Bolt, charge air distribution pipe cover to charge air manifold	Nm	10	10	10	10	10

 Crankcase ventilation, cylinder head cover

Number	Designation		Engine 612.961/ 962/967


BA01.20-P-1002-01A	Bolt, trim panel of cylinder head cover to cylinder head cover	Nm	10
BA01.20-P-1003-01A	Bolt, charge air distribution pipe cover to charge air manifold	Nm	10

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