Removing, installing and replacing duo valve - AR83.25-P-1150E
MODEL 202
| Removal, installation and replacement | |||
| Risk of injury to skin and eyes due to scalding from hot coolant spraying out. Risk of poisoning from swallowing coolant | Only open cooling system at coolant temperatures below 90°C. Unscrew cap slowly and relieve pressure. Do not pour coolant into drinking containers. Wear safety gloves, protective clothing and safety glasses. | AS20.00-Z-0001-01A | |
| 1 | Release pressure in cooling system | ||
| 2 | Remove cover above right of component compartment | ||
| 3 | Remove electrical connectors from control modules | ||
| 4 | Unscrew nuts (16) on unit support (15) | ||
| 5 | Remove unit support (15) | ||
| 6 | Attach clips to hot water hoses (17) | ||
| 7 | Loosen hose clamps (18) on hot water hoses (17) | ||
| 8 | Detach hot water hoses (17) on duo valve (Y21) | ||
| 9 | Disconnect electrical connector (19) on duo valve (Y21) | ||
| 10 | Unscrew nuts (20) on component panel | ||
| 11 | Remove duo valve (Y21) with bracket (14) | ||
| 12 | Remove bracket (14) on duo valve (Y21) | ||
| 13 | Remove rubber buffer (13) on duo valve (Y21) | ||
| 14 | Reinstall in opposite order | After completion of work, replenish missing coolant and check for leakage |