3 | Coolant return line, heater |
4 | Coolant feed line, heater |
5 | Heater unit cover |
8 | Coolant pump coupling |
13 | Coolant pump holder |
17 | Coolant pump mount |
A6 | Heater, stationary heater |
A6m1 | Coolant pump |
P83.70-2093-06
| Remove/install | ||
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. | |
Distinguishing features stationary heater/stationary preheater/heater booster | |||
1 | Release pressure in coolant circuit | To do so, turn cap of coolant expansion reservoir to detent position 1. | |
2 | Remove heater (A6) | ||
Only remove until the cover (5) can be unclipped. | |||
3 | Unclip heater cover (5) | ||
4 | Unplug coolant pump coupling (8) | Installation: The coupling is coded. | |
5 | Loosen coolant pump mount (17) and unhook holder (13) | Installation: Hook in coolant pump holder first. | |
Model 202Bolt, stationary heater coolant circulation pump | |||
6 | Clamp off coolant feed line (4) and coolant return line (3) | Clamp | |
7 | Disconnect coolant pump (A6m1) from coolant lines (4) | Collect escaping coolant and fill in coolant expansion reservoir again after installation. | |
8 | Install in the reverse order | ||
9 | Bleed coolant circuit after installation of heater | ||
Check | |||
10 | Check cooling system for leaktightness |
| |
11 | Start up stationary heater | ||
| |||
The heater (A6) switches off automatically before reaching its operating temperature and cannot be restarted again; | |||
there is a fault interlock (continue with). | |||
| |||
Override malfunction interlock |
000 589 54 37 00
Clamp