Manual
FIG-1
FIG-2
30
ETHA2
TECHNICAL
BREECH SENSOR (BS) ASSEMBLY
1
2
5
FIG-1 
Use a 5/64” (2mm) hex key 
1
 to remove the breech 
sensor screws 
2
 by unscrewing counter-clockwise. 
This will release the breech sensor covers (see Fig-2).
FIG-2 
1
 Breech cover screw 
6-32UNC x 5/16 
countersunk socket screws
2
Breech sensor cover
3
Breech sensor
4
Rubber detent
5
Light pipe
The elements within this diagram apply to both sides of 
the marker.
3
4
2
1
1
2
HEX
5/64










