Technical Information  10.2011 Page 5
TI_10_2011_30_01_01.fm
4. Ignition module
The previous ignition module 4180 400 1300 is 
being replaced by the version 4180 400 1308. 
4.1 Spare parts
From now on, only the new ignition module will be 
available as a spare part. The new ignition module 
can also be used with older machines. The previous 
ignition module will no longer be available from the 
factory.
4.2 In the event of service, the following 
combinations of ignition 
module/cylinder are permissible: 
The ignition modules available as replacements 
marked "4180 1309" can be combined with all 
versions of the "cylinder with piston" – observe the 
permissible cylinder/washer/ignition module 
combinations
Ignition modules marked "4180 1303" can only be 
combined with new "cylinders with pistons" that are 
distinguishable by virtue of 0.209 in. (5.3 mm) high 
mounting bosses.
4.3 Permissible cylinder/washer/ignition 
module combinations 
  
With the 0.185 in. (4.7 mm) and 0.209 in. (5.3 mm) 
high bosses for mounting the ignition module, 
washers (1)  4180 404 9300 are installed between 
cylinder and ignition module. 
a = 6.7 mm (0.264 in.) do not install any washers 
a = 4.7 mm (0.185 in.) Install 4180 404 9300 
washers
a = 5.3 mm (0.209 in.) Install 4180 404 9300 
washers