AR83.70-S-5558A | Removing and installing partial load resistor with relay for combustion air blower | 7.9.10 |
MODEL 638.0 /1 /2 up to 15.11.97 with CODE (H12) Hot water auxiliary heater
S83.70-2008-06
1 Connector box
2 Fastening clamp
K76 Relay for combustion air blower
M44. Single-pin connector
R19 Partial load resistor
X16 12-pin connector
| Removal, installation | ||
1 | Disconnect 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 connector box lid (1) | Installation: Make sure the joints are correctly seated | |
4 | Disconnect connector (M44.1) | ||
5 | Remove fastening clamps (2) | ||
6 | Disconnect 12-pin connector (X167) and disconnect connector box | ||
7 | Open connector box and remove pins 5 | Installation: Pay attention to the location or placement of the connectors | |
8 | Remove partial load resistor (R19) with relay (K76) | ||
9 | Reinstall in opposite order | ||
10 | Carry out function test |
Auxiliary heater
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