EOTech ATPIAL (AN/PEQ-15) - ADVANCED TARGET POINTER ILLUMINATOR AIMING LIGHT - Manual (Page 56)

3-6
3.3 CORRECTIVE MAINTENANCE (Continued)
Replacing Battery Cap / Battery Cap Lanyard
1. Unscrew the battery cap until it comes free of the battery
compartment threads.
2. Use the fingers of one hand to squeeze the thin battery
compartment o-ring while simultaneously pushing it out of
its groove. Grasp the o-ring with fingers of the other hand
and pull it off the battery compartment threads.
3. Simultaneously stretch and pull the larger eye of the
battery cap lanyard off the battery compartment threads.
4. Pull the smaller eye of the battery cap lanyard off the
battery cap post.
Figure 3-2. Battery Cap / Battery Cap Lanyard.
5. Replace the battery cap and/or battery cap lanyard as
necessary.
6. Stretch smaller eye of the battery cap lanyard over the
post on the battery cap.