Remove/install coolant thermostat

AR20.10-W-2460A

7.10.10

ENGINES 904.9 in MODEL 668, 670

ENGINES 904.9 in MODEL 374, 375, 673, 674, 676, 958, 970, 972, 975, 976

ENGINES 906.9 in MODEL 374, 958, 970, 972, 974, 975, 976

ENGINES 906.9 in MODELS 374, 375, 950, 952, 953, 954, 958

W20.10-0015-12

Shown on engine 904.9

1 Coolant pump

2 Coolant thermostat

3 O-ring

4 Coolant line

5 Bolt

6 Coolant hose

Arrow Vent opening

 	Remove/install
 Danger!	Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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
1	Drain coolant completely	Model 374, 375, 673, 674, 676, 950, 952, 953, 954, 958, 970, 972, 974, 975, 976	AR20.00-W-1142C
	Replace coolant	Model 668, 670	AP20.00-D-2080A
	Notes on coolant		AH20.00-N-2080-01A
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut.	AS60.80-Z-0001-01A
2.1	Tilt cab	Model 374, 375, 673, 674, 676, 950, 952, 953, 954, 958, 970, 972, 974, 975, 976
	Notes on tilting the cab		AH60.80-N-0003-01A
2.2	Remove service cover	Model 668, 670
3	Remove refrigerant line (4)	 Collect coolant that flows out
			*BA20.10-N-1004-01C
4	Remove coolant thermostat (2)	 Installation: Install new O-ring (3). The blow hole (arrow) on the coolant thermostat (2) must point upwards.
5	Install in the reverse order

 Coolant pump, coolant thermostat

Number	Designation		Engines 900.9, 902.9, 904.9, 906.9


BA20.10-N-1004-01C	Coolant line coolant thermostat to coolant pump	Nm	25