Removing and installing thermostat in coolant circuit - AR83.70-P-6016C
MODEL 129 as of 1.6.97 with CODE (228) Stationary heater
| Removal, installation | |||
| 1 | Disconnect heater from frame member until thermostat (2) is exposed | ||
| Danger of severe burns to skin and eyes from hot coolant spewing out. Coolant is toxic when swallowed | Open cooling system only when coolant temperature is below 90°C. Open cover slowly and reduce pressure. Do not fill beverage containers with coolant. Wear protective gloves, protective clothing and protective goggles. | AS20.00-Z-0001-01A | |
| 2 | Release pressure in coolant circuit | ||
| 3 | Clamp off coolant lines (3) to thermostat (2) | Figure | |
| 4 | Disconnect coolant lines (3) from thermostat (2) | ||
| 5.1 | Remove clamp (1) from heater mount | ||
| 5.2 | Remove thermostat (2) from heater mount | ||
| 6 | Reinstall in opposite order | ||
| 7 | Bleed coolant circuit after installing heater | AR83.70-P-5302-01C | |
| 8 | Perform stationary heater diagnosis (STH), function check | AD83.70-P-3003A | |
| 9 | Check coolant circuit for leakage | ra20001190170x |