Drain/fill in coolant

AP20.00-W-2080-01B	Drain/fill in coolant	Model 375.4, 930, 932, 933, 934, 944, 950, 952, 953, 954 with code (BA9) Voith secondary retarder R 115
 Danger !	Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.	Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
	Notes on coolant		AH20.00-N-2080-01A

Engine	457.9 in model 375.4, 944
	with code BA9 (Voith secondary retarder R 115)
	except code BA1 (Voith retarder, performance optimised)
Engine	541.9 in model 930, 932, 933, 934
	with code BA9 (Voith secondary retarder R 115)
	except code BA1 (Voith retarder, performance optimised)
Engine	541.9 in model 950.0/1/2/3, 952.0/1/2/3, 953.1/3, 954.0/1/2
	with code BA9 (Voith secondary retarder R 115)
	except code BA1 (Voith retarder, performance optimised)
Engine	542.9 in model 930, 932, 934
	with code BA9 (Voith secondary retarder R 115)
	except code BA1 (Voith retarder, performance optimised)
Engine	542.9 in model 950.0/1/2, 952.0/1/2/3, 954.0/1/2
	with code BA9 (Voith secondary retarder R 115)
	except code BA1 (Voith retarder, performance optimised)
Engine	906.9 in model 950.5/6, 952.5, 953.6, 954.5
	with code BA9 (Voith secondary retarder R 115)
	except code BA1 (Voith retarder, performance optimised)
Engine	926.9 in model 950.5/6, 952.5/6, 953.6, 954.5
	with code BA9 (Voith secondary retarder R 115)
	except code BA1 (Voith retarder, performance optimised)

Modification notes

01.08.2016

Kühlmittel

BF20.00-N-1001-01B

 Cylinder crankcase, timing case cover, end cover

Number	Designation			ENGINE 541.9, 542.9
BA01.40-N-1001-01D	Coolant drain plug to cylinder crankcase	M141.5	Nm	50

 Cylinder crankcase, timing case cover, end cover

Number	Designation		ENGINE 900.9, 902.9, 904.9, 906.9	ENGINE 924.9, 925.9, 926.9
BA01.40-N-1004-01C	Coolant drain plug to cylinder crankcase	Nm	30	30

 Crankcase, timing case cover, end cover

Number	Designation			Engine 457.9
BA01.40-N-1005-01U	Coolant drain screw to crankcase	M18x1.5	Nm	60

 Radiator, coolant hoses

Number	Designation		Engine 541.9, 542.9
BA20.20-N-1001-01C	Coolant drain plug to radiator	Nm	4

 Radiator, coolant hoses

Number	Designation		ENGINE 904.9, 906.9	ENGINE 926.9
BA20.20-N-1001-01D	Coolant drain plug to radiator	Nm	4	4

 Radiator, coolant hoses

Number	Designation		Engine 457.9
BA20.20-N-1003-01E	Coolant drain plug to radiator	Nm	4

 Radiator, coolant hoses

Number	Designation		Engine 457.9
BA20.20-N-1004-01E	Coolant drain plug to retarder fitting	Nm	25

 Filling capacities for engine cooling system

Number	Designation			ENGINE 457.9 with CODE BA9	Engine 541.9 with code BA9
BF20.00-N-1001-01B	Coolant	Total filling capacity	Liter	40,0	56,0
		Anticorrosion and antifreeze agent down to -37 °C	Liter	20,0	28,0
		Anticorrosion and antifreeze agent down to –45 °C	Liter	22,0	31,0
		Sheet		BB00.40-P-0310-01A	BB00.40-P-0310-01A
		Sheet		BB00.40-P-0325-05A	BB00.40-P-0325-05A

 Filling capacities for engine cooling system

Number	Designation			Engine 542.9 with code BA9
BF20.00-N-1001-01B	Coolant	Total filling capacity	Liter	60,0
		Anticorrosion and antifreeze agent down to -37 °C	Liter	30,0
		Anticorrosion and antifreeze agent down to –45 °C	Liter	33,0
		Sheet		BB00.40-P-0310-01A
		Sheet		BB00.40-P-0325-05A

 Engine cooling

Number	Designation			ENGINE 906.9 in MODEL 950, 952, 953, 954 with CODE BA9	ENGINE 926.9 in MODEL 950, 952, 953, 954, 958.2 with CODE BA9
BF20.00-N-1001-01C	Coolant	Total filling capacity	l	40	40
		Anticorrosion/antifreeze agent down to -37 °C	l	20	20
		Anticorrosion/antifreeze agent down to -45°C	l	22	22
		Sheet		BB00.40-P-0310-01A	BB00.40-P-0310-01A
		Sheet		BB00.40-P-0325-05A	BB00.40-P-0325-05A

Drain coolant

1	Unscrew cap (1) from filler neck (2).

N20.30-0234-01

N20.20-0234-01

Shown on engine 457.9, 541.9, 542.9


	Shown on engine 906.9, 926.9

N20.20-2005-01

2	Plug drain hose onto drain fitting (arrow) of engine radiator.

3	Open drain screw (3) on engine radiator and collect coolant in a suitable container.

N20.00-0273-01

Shown on engine 457.9, 541.9, 542.9


	Shown on engine 906.9, 926.9

N20.20-2081-01

4.1	Engine 457.9, 541.9, 542.9 Unscrew drain screw (4) from crankcase at left and right, and collect coolant in a suitable container.

4.2	Engine 906.9, 926.9 Connect drain hose to the drain screw (4.1) on cylinder crankcase, open drain screw (4.1) and collect coolant in a suitable container.

N20.20-0233-01

Shown on retarder without drain fitting


	Shown on retarder with drain fitting

N20.20-2039-01

5.1	Retarder without drain fitting Detach both coolant hoses (5) from retarder, and collect coolant in a suitable container.

 Raise vehicle at the front if necessary so that the lines are emptied completely.

5.2	Retarder with drain fitting Remove screw plug (6) from retarder, and collect coolant in a suitable container.

 Raise vehicle at the front if necessary so that the lines are emptied completely.

Pour in coolant

6	Detach drain hose from drain fitting (arrow) of engine radiator and drain screw (4.1).

7	Tighten drain screws (3, 4). Engine 906.9, 926.9  Engine 541.9, 542.9  Engine 457.9  Engine 906.9, 926.9  Engine 541.9, 542.9  Engine 457.9 

8.1	Retarder without drain fitting Attach both coolant hoses (5) to the retarder.

8.2	Retarder with drain fitting Turn-in screw plug (6) on retarder with new sealing ring. Engine 457.9 

9	Pour in coolant in the specified composition up to the edge of the filler neck (2). Engine 457.9, 541.9, 542.9  Engine 906.9, 926.9 

10	Screw cap (1) onto filler neck (2).

N20.30-0234-01

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