AR83.70-D-5938A | Removing and installing printed circuit board | 4.11.96 |
MODEL 902.32# /42#, 903.32# /42#, 904.32# /42# ## up to 753730 up to 31.10.97 with CODE (H11) Hot air auxiliary heater
Heater designation D1L-C
MODEL 903.02# ## up to 753730 up to 31.10.97 with CODE (H11) Hot air auxiliary heater
Heater designation B1L-C
D83.70-0010-06
1 Allen bolt
2 Cover
3 Gasket
4 Electrical connector for flame sensor
5 Electrical connector for overheat switch
6 Electrical connector for blower motor
7 Circuit board
| Removal, installation | ||
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. | |
Danger! | Fuel vapors present an explosion hazard. Fuel vapors are toxic when inhaled or absorbed. Contact with fuel can cause eye and skin injury. | Fire, open lights and smoking prohibited. Wear protective clothing when handling fuel. | |
1 | Remove heater | ||
2 | Remove cover (2) together with gasket (3) | Installation: Check flange gasket for damage, replace, if necessary. | |
3 | Unhook circuit board (7) | Press lug (arrow) down. | |
4 | Pull out circuit board (7) until electrical connectors (4, 5, 6) are accessible | ||
5 | Disconnect electrical connectors (4, 5, 6) | ||
6 | Completely pull out circuit board (7) | ||
| Notes on handling circuit boards | ||
7 | Install in opposite order |