Remove/install high-speed fan drive

AR20.40-W-5615A

17.12.97

ENGINE 541.9 in MODEL 950, 952, 953, 954 with CODE (ML1) Fan drive with planetary gear

ENGINE 542.9 in MODEL 950, 952, 954 with CODE (ML1) Fan drive with planetary gear

W20.40-0002-09

1 Viscous fan clutch

2 Fan

3 Bolt

4 Adapter piece

5 Bolt

6 Bolt

7 Fan drive

8 Bolt

9 Support

10 Bolt

11 Bolt

 	Remove/Install
Danger!	Risk of injury from hand being jammed and bruised when tilting cab	Ensure that no one is within the tilting range of the cab during tilting. Always tilt cab to end position and secure with safety prop.	AS60.80-Z-0001-01A
1	Tilt cab
	Notes on tilting cab	Model 950, 952, 953, 954	AH60.80-N-0003-01A
 Danger!	Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. 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 bottles. Wear protective gloves, protective clothing and eye protection.	AS20.00-Z-0001-01A
2	Remove radiator		AR20.20-W-3865B
	Notes on coolant	All engines.	AH20.00-N-2080-01A
3	Detach viscous fan clutch (1) together with fan (2) and intermediate piece (4) at fan drive (7) and take down and out	 Installation: Viscous fan clutch and fan must be mounted upright for at least 1 hour before being installed.
			*BA20.40-N-1006-01C
4	Detach high-speed fan drive (7) at support (9)		*BA20.40-N-1004-01C
5	Detach fan drive (7) at vibration damper		*BA20.40-N-1003-01C
6	Detach intermediate piece (4) at viscous fan clutch (1)		*BA20.40-N-1001-01C
7	Detach viscous fan clutch (1) at fan (2)		*BA20.40-N-1002-01C
8	Detach support (9) at coolant pump		*BA20.40-N-1005-01C
9	Install in the reverse order

 Fan, fan clutch

Number	Designation		Engine 541.9, 542.9 with code ML1


BA20.40-N-1001-01C	Bolt of viscous fan coupling to intermediate piece	Nm	50
BA20.40-N-1002-01C	Bolt of fan to viscous fan coupling	Nm	30
BA20.40-N-1003-01C	Bolt of fan drive to vibration damper	Nm	30
BA20.40-N-1004-01C	Bolt of fan drive to support	Nm	30
BA20.40-N-1005-01C	Bolt of support to coolant pump	Nm	50
BA20.40-N-1006-01C	Bolt of fan drive to intermediate piece	Nm	50