Retrofit leak oil line to the unit pumps

AN07.03-W-0100B

Retrofit leak oil line to the unit pumps

21.01.2015

MODEL

375, 958, 970, 972, 975, 976 with ENGINE 904.9

MODEL

970, 972, 974 with ENGINE 924.9

Modification notes

05.09.2012

Banjo bolt in parts-order note, added.

Shown on engine 906.9

1

Banjo bolt

2

MR/PLN unit pumps

3

Leak oil line



Remove

1

Remove MR/PLN unit pumps (2)



Engine 904.9

AR07.15-W-8950A



Engine 924.9

AR07.15-W-8950J

 The MR/PLN unit pumps (2) must not be marked.

2

Remove banjo bolt (1).

 The banjo bolt (1) is replaced during installation by a new banjo bolt (1).



Install

3

Install new MR/PLN unit pumps (2)



Engine 904.9

AR07.15-W-8950A



Engine 924.9

AR07.15-W-8950J

 Only perform operation steps 17 to 24.

 The new MR/PLN unit pumps (2) have a connection on the side for the leak oil line (3).

4

Screw in new banjo bolt (1)

 The new banjo bolt (1) has an additional inside thread. Install new seals.

 Banjo bolt, fuel line to passage in crankcase

*BA47.25-N-1003-01J

5

Install leak oil line (3)

 Attach leak oil line (3), free of kinks and unstressed, to the MR/PLN unit pumps (2) and install the new banjo bolt (1) and attach with cable ties to the return line.

 Banjo bolt, leak oil line to unit pump

*BA47.25-N-1009-01J

6

Connect MR/PLN unit pumps (2) and reassemble engine



Engine 904.9

AR07.15-W-8950A



Engine 924.9

AR07.15-W-8950J

 Perform work from operation step 25.

 Fuel lines/hoses

Number

Designation

ENGINE 900.9
ENGINE 902.9
ENGINE 904.9
ENGINE 906.9
ENGINE 924.9
ENGINE 925.9
ENGINE 926.9

BA47.25-N-1003-01J

Banjo bolt, fuel line to passage in crankcase

Nm

50

 Fuel lines/hoses

Number

Designation

ENGINE 900.9
ENGINE 902.9
ENGINE 904.9
ENGINE 906.9
ENGINE 924.9
ENGINE 925.9
ENGINE 926.9

BA47.25-N-1009-01J

Banjo bolt, leak oil line to unit pump

Nm

15

Parts ordering note

Part no.

Designation

Quantity

A 029 074 06 02 05

Parts kit for engine 904 or 924

1

A 000 997 83 01

Banjo bolt

1