1 | Coolant pump |
2 | Coolant thermostat |
3 | O-ring |
4 | Coolant line |
5 | Screw |
6 | Coolant hose |
G20.10-3107-12
Warning | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. | |
Warning | Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | |
Warning | 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. | |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Topical note | Notes on coolant | ||
| Remove/install | ||
1.1 | Tilt cab. | Model 405 | |
1.2 | Open hood. | Model 437.42/43/465 | |
Model 437.42/43 | |||
Model 437.465 | |||
2 | Drain off coolant. | ||
| ENGINE 900, 902, 904, 906 in MODEL 405 | ||
| ENGINE 900, 904, 924 in MODEL 437 | ||
3 | Remove charge air cooler. | Only for engine 924.916 in model 437.465 with code M25 (Reinforced refrigerant compressor) | |
4 | Release poly-V-belt. | Only for engine 924.916 in model 437.465 with code M25 (Reinforced refrigerant compressor) | |
5 | Remove coolant hose (6). | ||
6 | Remove coolant line (4) and collect escaping coolant with suitable container. | Coolant line, coolant thermostat to coolant pump | |
7 | Remove coolant thermostat (2). | Installation: Replace O-ring (3). | |
8 | Check coolant thermostat (2). | ||
9 | Install in the reverse order | ||
10 | Check engine cooling system for leak tightness. |