47MS 311, MS 391
Make sure the lug (arrow) locks the 
contact spring in position.
: Lift the contact spring (1) and 
push it over the switch shaft.
: Check operation. 
– short circuit wire's connector 
must touch the contact spring 
(arrow) in position "
0".
– Reassemble all other parts in the 
reverse sequence.
4903RA116 TG4903RA117 TG
1
4903RA118 TG