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

AR03.20-W-0002H

15.03.2017

 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
	Notes on engine oil		AH18.00-N-0101-01HA
	Check
1	Remove oil filter element	Only in case of extreme wear or damage to the engine components.
			AP18.00-W-0101H
2	Check disks of the oil filter element for metal abrasion and a swollen condition	Only in case of extreme wear or damage to the engine components.
		If there is metal abrasion in the oil filter element or if this is swollen.
		
		Replace oil filter element.
			AP18.00-W-0101H
3	Remove the heat exchanger for engine oil and check for metal abrasion	Only if extreme metal abrasion was found in the oil filter element.
		ENGINE 470.9	AR18.30-W-6840HA
		ENGINE 471.9, 473.9	AR18.30-W-6840H
		If metal abrasion is present in the heat exchanger.
		
		Replace heat exchanger.
4	Remove oil pump and check for metal abrasion	Only if extreme metal abrasion was found in the oil filter element.
		ENGINE 470.9	AR18.10-W-6020HA
		ENGINE 471.9, 473.9	AR18.10-W-6020H
		If metal abrasion is present in the oil pump.
		
		Replace oil pump.
5	Replace engine oil	Only if there is metal abrasion or a swollen oil filter element (coolant in the engine oil circuit) or if necessary.
			AP18.00-W-0101H