AR83.70-S-5758A | Removing and installing spark plug | 7.9.10 |
MODEL 638.0 /1 /2 up to 15.11.97 with CODE (H12) Hot water auxiliary heater
S83.70-2003-09
1 Nut
2 Protective cap
R18 Spark plug
R18.1 Electrical connection for spark plug
| Removal, installation | ||
1 | Disconnect the ground cable from the battery | Installation: Code radio and set clock See Owner's Manual | |
Danger! | Fuel vapors present an explosion hazard. Combustion gases are toxic when inhaled. Heater can cause severe burns during and after operation | Do not start up or operate stationary heaters or engines with heater boosters in closed rooms or in the vicinity of service stations. Allow heater to cool off after operation and wear protective gloves. | |
2 | Lower heater with support | ||
| |||
3 | Remove protective cap (2) | ||
4 | Unscrew nut (1) | ||
5 | Disconnect electrical connection of spark plug (R18.1) | ||
6 | Unscrew spark plug (R18) | | |
7 | Clean housing of spark plug in burner | Only when it is a DW5 heater (Diesel). Use correct tool. | |
8 | Reinstall in opposite order | ||
9 | Carry out function test |
Auxiliary heater
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