ar1810p2140rt

Replace the oil pump chain

Type ar · topic 18.10 · version 0100 · 2005-10-05

Applies to: ENGINE 113.971 in MODEL 251.075 /175

Where it sits

Function group 1 Engine › 18 Engine lubrication, engine oil cooling › 18.10 Oil pump — Series 251 (models 075, 175)

EinPAS 15 Engine › 15.20 Engine lubrication system › 15.20.30 Oil pump/drive/oil spray nozzle/oil suction pipe — Series 251 (models 075, 175)

Also applies to engines/gearboxes: 113 971

AR18.10-P-2140RT

Replace the oil pump chain

11.8.05

ENGINE 113.971 in MODEL 251.075 /175

Replace the oil pump chain

P18.10-0231-06

1 Oil pan bottom section

2 Oil pump

3 Oil return shutoff valve

4 Bolts

Remove/install

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

1

Remove lower engine compartment paneling

Installation: Install the engine compartment paneling only after the leaktightness test has taken place.

AR61.20-P-1105RT

2

Remove oil pan bottom section (1)

AR01.45-P-7555RT

3

Remove oil pan

AR01.45-P-7500RT

4

Unscrew bolts (4) and remove oil pump (2)

Installation:

Ensure oil return flow check valve (3) is correctly installed.

Clean strainer of oil pump (2)

Fill the oil pump (2) with engine oil before installation so that oil is delivered at the initial startup.

AR18.10-P-6020RT

*BA18.10-P-1001-01B

5

Separate oil pump chain

AR18.10-P-2140-01V

Case

*602589009800

Pressure screw

*602589056300

Chain separating tool

*602589023300

Thrust pins

*602589056301

6

Draw in oil pump chain and rivet

AR18.10-P-2140-02V

Case

*602589009800

Riveting tool

*602589003900

Assembly inserts

*103589016300

Assembly links

*602589024000

7

Install in the reverse order

Check

8

Check engine oil level and correct if required.

The vehicle must be positioned horizontally on the wheels, otherwise false measurements occur.

AR18.00-P-3035-01CA

Measuring rod

*120589072100

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 engine

Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

9

Conduct engine test run and check the engine for leaks whilst it is running

In the event of oil loss determine and eliminate cause, otherwise malfunctions, transmission damage, and serious environmental pollution may occur.

Oil pump

Number

Designation

Engine
113.964/
971

BA18.10-P-1001-01B

Bolt of oil pump to crankcase

M830

Nm

20

M740

Nm

-

M616

Nm

-

Replace the oil pump chain
Replace the oil pump chain
Replace the oil pump chain
Replace the oil pump chain

602 589 05 63 00

Chain separating tool

Thrust spindle

Case

Thrust pins

602 589 00 98 00

602 589 02 33 00

602 589 05 63 01

Replace the oil pump chain
Replace the oil pump chain
Replace the oil pump chain
Replace the oil pump chain

103 589 01 63 00

Assembly links

Assembly inserts

Riveting tool

Measuring rod

602 589 00 39 00

602 589 02 40 00

120 589 07 21 00

Referenced documents