AR83.70-P-6016C | Removing and installing thermostat in coolant circuit | 12.6.97 |
MODEL 129 as of 1.6.97 with CODE (228) Stationary heater
P83.70-0380-06
1 Clamp
2 Thermostat
3 Coolant lines
| Removal, installation | ||
1 | Disconnect heater from frame member until thermostat (2) is exposed | Support heater before unscrewing nuts | |
Danger! | 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. | |
2 | Release pressure in coolant circuit | For this purpose turn cap on coolant expansion reservoir to catch position 1 | |
3 | Clamp off coolant lines (3) to thermostat (2) | | |
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 | ||
8 | Perform stationary heater diagnosis (STH), function check | ||
9 | Check coolant circuit for leakage |
000 589 54 37 00
Clamp
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