AR83.70-W-5342A | Remove/install burner insert, afterburner pipe and heat exchanger | 16.2.12 |
MODEL 375.4 with BODY 375.840 with CODE (H61) "Webasto" Air Top 2000 hot air auxiliary heater
MODEL 944 with BODY 944.899 with CODE (H61) "Webasto" Air Top 2000 hot air auxiliary heater
MODEL 950, 952, 953, 954 with BODY 942.899 with CODE (H61) "Webasto" Air Top 2000 hot air auxiliary heater
MODEL 970, 972, 974, 975, 976 with BODY 972.899 with CODE (H61) Webasto Air Top 2000 hot air auxiliary heater
MODEL 950, 952, 953, 954 with BODY 940.899 with CODE (H61) "Webasto" Air Top 2000 hot air auxiliary heater
W83.70-0658-06
1 Fuel pipe
2 Burner insert
3 Burner tube
4 Gasket
5 Heat exchanger
| Remove/Install | ||
Danger! | Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit | Do not operate stationary heater, auxiliary heater or engine with heater booster in closed areas or when refueling. Allow heater unit to cool down after operation and wear protective gloves. | |
Danger! | Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices | No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers. | |
1 | Disconnect ground lead from battery | Do not interrupt main battery current in heater mode or in the power-down phase. | |
2 | Remove storage compartment | Only with body 942.899 | |
3 | Remove heater | Body 942.899 | |
Bodies 940.899, 972.899 | |||
Bodies 375.840, 944.899 | |||
4 | Remove upper housing segment and covers | ||
5 | Remove controller board | Do not touch controller board tracks. | |
6 | Remove heater from lower housing segment | Installation: Slide heated-air inflow unit into guide groove. | |
7 | Remove combustion and heated air blower | ||
8 | Remove flame monitor | ||
9 | Remove heating element | ||
10 | Remove burner insert (2) | Do not bend the fuel lines (1). Installation: The fuel line guide must lie flush with the heat exchanger's sealing surface. Before installing the burner insert, the starting air bore should be checked to see if an air passage is given, and cleaned if necessary: | |
Clean starting air bore | |||
11 | Pull out afterburner pipe (3) from heat exchanger (5) and remove seal (4) | If the heat exchanger will be replaced: | |
Remove the temperature limiter | |||
12 | Install in the reverse order | ||
13 | Check function of stationary heater | ||
14 | Measure emission level, adjust if necessary |
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