Removing and installing flame sensor

AR83.70-D-5683A

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

D83.70-0013-09

1 Allen bolt
2 Cover
3 Gasket
4 Upper jacket half
5 Spreading rivet
6 Wiring harness for overheat switch

13 Grille
14 Bottom jacket half
15 Flange gasket
16 Spacer clip

7 Retainer
8 Overheat switch
9 Heat exchanger
10 Retaining spring
11 Flame sensor
12 Exit scoop

 	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.	AS83.70-Z-0002-01A
 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. Fill and store fuel only in containers intended for this purpose and marked accordingly. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
1	Remove heater		AR83.70-D-5302A
2	Remove flange gasket (15)	 Installation: Check flange gasket for damage, replace if necessary.
3	Remove cover (2) together with gasket (3)	 Installation: Check gasket for damage, replace, if necessary.
4	Remove covering parts (4, 12, 14)		AR83.70-D-5398-05A
5	Disconnect electrical connectors on flame sensor (11)	 Installation: Ensure that cable is routed correctly.
6	Remove retaining spring (10)	 Installation: Replace retaining spring. Install retaining spring with suitable screwdrivers (arrows).
7	Remove flame sensor (11)
8	Install in opposite order