AR20.10-B-2460D | Remove/install coolant thermostat | 12.02.16 |
Cumbustion engine 457 with Vehicle 696.080
Cumbustion engine 457.928 with Vehicle 693.154, 693.194, 693.196
Cumbustion engine 457.931 with Vehicle 696.090, 696.365, 696.367, 696.369
B20.10-0015-12
1 Coolant pump
2 Thermostatic valve
3 O-rings
4 Tampa of the thermostatic valves
5 Cover fastening bolt
6 Hose
| Remove and install | ||
Danger! | Risk of injury due to being caught or smashed when tilting the cabin | During back and forth cab tilting, stay away from tilting area and take preventive measures to avoid non-authorized people from entering tilting area. Always tilt the cab to its final position and secure it with the safety device. | |
1.1 | Tilt the cab. | Trucks with engine 457.922/928. | |
Danger! | Risk of injury due to being caught and smashed by the engine hood | Keep area clear of people and objects during hood tilting. | |
1.2 | Tilt the engine hood. | Trucks with engine 457.931. | |
Danger! | Risk of injury on the skin and eyes due to burns caused steam or overheated coolant. Risk of poisoning due to ingestion of coolant | Open the cooling system only when the temperature is below 90 °C. Open the cap slowly and allow the surplus of pressure to go out. Coolant must never be kept in beverage recipients. Open the cooling system only when the temperature is below 90 °C. | |
| Indications on coolant. | ||
2 | Drain the cooling system. | Collect the coolant and replace it, if necessary. | |
3 | Remove the hose (6) from the cover (4). | Check he condition of the clamps and hose (6). Replace if necessary. | |
4 | Remove the bolts (5) and the cover (4). | | |
5 | Remove the O-rings (3). | Install: Replace the O-rings (3). | |
6 | Remove the thermostatic valves (2). | Install: Pay attention to the correct position of the thermostatic valves (2); the air outlet orifice (arrow) must be face up. | |
7 | Check the thermostatic valves (2). | Test the thermostat valves. | |
8 | Install in the reverse order. | ||
9 | Control the coolant level. | Replenish, if necessary. |
Coolant pump, coolant thermostat
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