ar0140d8501ad

Clean main oil duct

Type ar · topic 01.40 · version 0100 · 2012-05-31

Applies to: ENGINES 900.917 /918 /919 in MODELS 668, 670

Where it sits

Function group 1 Engine › 01 Complete engine, crankcase ventilation, cylinder head, crankcase › 01.40 Crankcase, timing case cover, end cover — Series 668 · Series 670 · Series 900 (models 917, 918, 919)

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.31 Crankcase/oil separator/ventilation — Series 668 · Series 670 · Series 900 (models 917, 918, 919)

AR01.40-D-8501AD

Clean main oil duct

10.5.12

ENGINES 900.917 /918 /919 in MODELS 668, 670

Clean main oil duct

W01.40-1018-06

1 Screw plug (M161.5)

2 Screw plug (M201.5)

3 Screw plug (M141.5)

4 Screw plug (M201.5)

5 Screw plug (M181.5)

Remove/install

1

Remove crankshaft

AR03.20-D-4351AD

2

Remove camshaft

AR05.20-D-6292AD

3

Remove oil spray nozzles

AR18.00-D-4000AD

4

Remove oil-water heat exchanger

Installation: If there are chips in oil circuit, the oil/water heat exchanger must be replaced.

AR18.30-D-6840AD

5

Remove oil filter housing and clean

Installation: In the event of pollution, replace oil filter.

AR18.20-D-3471AD

6

Remove compressor

AR13.30-D-5510AD

7

Dismantle rocker arm assembly and clean oil ducts in the cylinder head and rocker arm assembly

Only if oil duct in the cylinder head is contaminated or where chips are found in the oil circuit.

AR05.00-D-5541AD

8

Remove remaining detachable parts which are supplied with engine oil or which are installed in the engine oil circuit

Clean detachable parts.

9

Unscrew screw plug (4) and clean main oil duct with compressed air

The main oil duct for lubricating the rocker arm assembly must be cleaned first.

Installation: Replace sealing ring.

*BA01.40-N-1006-01C

10

Unscrew screw plugs (1, 2, 3, 5) and clean main oil duct with compressed air

Installation: Replace sealing rings on the screw plugs (1, 3, 5).

Coat front area of screw plug (2) with sealant and screw it into the crankcase by 3 or 4 turns.

Before fully tightening screw plug (2), coat the center area with quick adhesive.

*BA01.40-N-1006-01C

Sealant

*BR00.45-Z-1009-01A

Quick-action adhesive

*BR00.45-Z-1008-02A

11

Install in the reverse order

Crankcase, timing case cover, end cover

Number

Designation

Engines 900.9, 902.9, 904.9, 906.9

BA01.40-N-1006-01C

Screw plug on crankcase

M141.5

Nm

35

M161.5

Nm

35

M181.5

Nm

40

M201.5

Nm

65

Repair materials

Number

Designation

Order number

BR00.45-Z-1009-01A

Sealant Loctite 574, 50 ml

A 001 989 89 20 10

BR00.45-Z-1008-02A

Quick-acting adhesive, Loctite 270

A 002 989 93 71

Referenced documents