AR20.10-W-2460B | Remove/install coolant thermostat | 17.12.09 |
ENGINE 541.9 in MODEL 950, 952, 953, 954
ENGINE 542.9 in MODEL 950, 952, 954
W20.10-0010-06
1 Coolant connection
2 Bolt
3 Bracket for box-shaped air filter
(up to engine end no. 109389)
4 Bolt (up to engine end no. 109389)
5 Charge air hose (red)
6 Sealing ring
7 Coolant thermostat
8 Coolant pump
9 Coolant hose
| Remove/install | ||
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. | |
1 | Tilt cab | ||
| Notes on tilting the cab | Model 950, 952, 953, 954 | |
2 | Remove soundproofing panels at side on the right | ||
3 | Remove red charge air hose (5) | Inspect condition of charge air hose and hose clamps, replace if necessary. | |
Installation: Charge air hoses must not be exchanged. Red charge air hose is temperature-resistant and must always be installed between charge air pipe and charge air cooler. | |||
| |||
4 | Remove plate-type air filter | Up to engine end no. 109389 | |
5 | Remove bracket (3) for plate-type air filter at coolant connection (1) | Up to engine end no. 109389 | |
| |||
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. | |
6 | Drain coolant | ||
| |||
| Notes on coolant | All engines | |
7 | Remove coolant connection (1) at the coolant pump | | |
8 | Remove coolant thermostat (7) | Installation: Replace sealing rings (6). Pay attention to installation position of coolant thermostat. The vent openings (arrows) must always be pointing up. | |
9 | Test coolant thermostat (7) | ||
10 | Install in the reverse order | ||
11 | Check coolant level | ||
|
Air intake, air charging, general
Number | Designation | Engine 541.9, 542.9 | |
BA09.00-N-1001-01A | Bolt, front bracket to lifting eye or coolant connection | Nm | 25 |
Charge air pipe/charge air cooling
Number | Designation | Engine | Engine | ||
BA09.41-N-1006-01C | Clamp, charge air hose to charge air housing/charge air pipe and charge air cooler | Nm | 7.5 | 7.5 | |
Coolant pump, coolant thermostat
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