Additional testing during an engine repair on the crankshaft, on main bearing and connecting rod bearing

AR03.20-G-0002H

Additional testing during an engine repair on the crankshaft, on main bearing and connecting rod bearing

08.08.2018

Engine

470.9, 471.9, 473.9 in model 800.310/320

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H



Remove

1

Remove oil filter element.



AP18.20-G-0100-04H



Check

2

Check segments of oil filter element from outside for metal abrasion and swelling.

Replace

3

Replace the heat exchanger.

Only if there is metal abrasion on the oil filter element segments or in the oil circuit.

ENGINE 470.9

AR18.30-G-6840HA

ENGINE 471.9, 473.9

AR18.30-G-6840H

4

Remove oil pump, check for wear and damage.

Only when an increased amount of metal abrasion is found on oil filter element segments.

ENGINE 470.9

AR18.10-G-6020HA

ENGINE 471.9, 473.9

AR18.10-G-6020H

If there is a complaint,



replace the oil pump.

5

Replace engine oil.

Only if there is metal abrasion or a swollen oil filter element (coolant in the engine oil circuit).



AP18.00-G-0101H



Install

6

Install new oil filter element.



AP18.20-G-0100-04H

 Oil filter cover on oil/coolant module

*BA18.20-N-1001-02A

 Oil/coolant module

Number

Designation

Engine 470.9

Engine 471.9

BA18.20-N-1001-02A

Oil filter cover on oil/coolant module

Nm

55

55

 Oil/coolant module

Number

Designation

Engine 473.9

BA18.20-N-1001-02A

Oil filter cover on oil/coolant module

Nm

55