Retrofit leak oil line to the unit pumps · an0703w0100c · Mercedes-Benz WIS

AN07.03-W-0100C

Retrofit leak oil line to the unit pumps

21.3.07

MODEL 374, 375, 940, 942, 943, 944, 958 with ENGINE 457.9

W07.03-1038-06

1 Banjo bolt

2 MR/PLD unit pumps

3 Leak oil line

W07.03-1039-12

3 Leak oil line

4 New banjo bolt

	Removing
1	Remove MR/PLD unit pumps (2)	 The MR/PLD unit pumps (2) must not be marked.
	Remove MR/PLD unit pump, install		AR07.15-W-8950C
2	Remove banjo bolt (4) for return line on cylinder 6	 The banjo bolt (4) for the return line is replaced during installation by a new banjo bolt (4).
	Install
3	Install new MR/PLD unit pumps (2)	 The new MR/PLD unit pumps (2) have a connection on the side for the leak oil line (3).
	Remove MR/PLD unit pump, install	Only perform operation steps 15 to 21.	AR07.15-W-8950C
4	Install leak oil line (3)	 Use new seal rings. Insert banjo bolt (1) for leak oil line (3) to the MR/PLD unit pump (2) of the cylinder 2 before installation in the line connection. Only place line connections for the leak oil line (3) to the MR/PLD unit pumps (2).
5	Screw in new banjo bolt (4) on cylinder 6	 Attach new leak oil line (3) together with return line to cylinder 6; just place the new banjo bolt (4).
6	Tighten banjo bolts (1, 4)	 Ensure free of tension seating of the leak oil line (3).
			*BA47.25-N-1006-01M
			*BA47.25-N-1018-01M
7	Connect MR/PLD unit pumps (2) and reassemble engine
	Remove MR/PLD unit pump, install	 Perform work from operation step 22.	AR07.15-W-8950C

 Fuel pipes/hoses

Number	Designation		Engine 457.9


BA47.25-N-1006-01M	Banjo bolt, fuel suction line to crankcase	Nm	50
BA47.25-N-1018-01M	Banjo bolt, fuel leak line to unit pump MR/PLD	Nm	15

Parts ordering notes

Part no.	Designation	Quantity
A 029 074 05 02 05	Parts kit for engine 457	1