Manual
(CONTINUED) 
Remove the rubber finger detent and using a dry 
cotton bud clean the detent and it’s location point in 
the Geo Body. (SEE FIGURE 9.4) Replace the detent back 
into the Geo body (SEE FIGURE 9.5) and place the BBSS 
back into the designated slot in the body (SEE FIGURE 
9.2). Ensure that the sensor is face down in the body i.e 
looking into the breech. 
Replace the Sensor Cover and using a 5/64" hex key, 
replace the Bream Beam Sensor Cover retaining screw 
to hold the sensor cover in place (SEE FIGURE 9.6). 
Repeat the procedure for opposite side of the Geo.
You have now cleaned your Break Beam Sensor System.
CLEANING THE BREAK BEAM 
SENSOR SYSTEM 
Undo the retaining screw for the Break Beam Sensor 
Cover on the right hand side of the Geo using a 5/64" 
(2mm) hex key (SEE FIGURE 9.1).
Remove the Sensor Cover to expose the back of the Break 
Beam Sensor unit  (SEE FIGURE 9.2). Using a  dry  cotton 
bud, carefully remove any debris, paint or moisture from 
the back of the sensor unit and from inside the Sensor 
Cover.
Lift the BBSS free from the Geo body and using another 
dry cotton bud, remove any grease or debris build-up 
from the front of the sensor unit (SEE FIGURE 9.3).
WARNING: DE-GAS YOUR MARKER, DISCHARGING ANY 
STORED GAS IN A SAFE DIRECTION, AND REMOVE THE 
BARREL, LOADER AND AIR SYSTEM TO MAKE THE MARKER 
EASIER TO WORK ON.
WARNING
NOTE: WHEN CLEANING BREAK BEAM SENSOR SYSTEM 
INSPECT CONDITION OF RUBBER FINGER DETENTS AND 
REPLACE IF NECESSARY. ENSURE THAT THE RECEIVER 
SENSOR (INDICATED BY A RED MARK & RED HEAT SHRINK) IS 
LOCATED ON THE RIGHT-HAND SIDE OF THE MARKER BODY.  
FIG 9.6
FIG 9.5
FIG 9.4
NOTE: BE CAREFUL NOT TO CROSS-THREAD THE SCREW. DO 
NOT OVER TIGHTEN THE SCREW.
FIG 9.2
FIG 9.1
FIG 9.3
MAINTENANCE
54.
CONTENTS
ORIENTATION
QUICK SET-UP
USING YOUR GEO
ADVANCED SET-UP
MENU TREE
MAINTENANCE
FAULT FINDING
SERVICE CENTERS
PARTS LIST
SPARES & ACCESSORIES
55.
MAINTENANCE
MAINTENANCE
QUICK GUIDE










