EOTech M914 (AN/PVS-14) Monocular Night Vision Device - Manual (Page 45)

3-5
3.3 CORRECTIVE MAINTENANCE PROCEDURES
The MNVD
has no internal parts or assemblies replaceable
by the user or organizational level personnel. Refer to
section 3.4 regarding maintenance and/or repair actions
beyond those described in this manual.
Replacing Battery Compartment O-Ring
No tools are required to perform this procedure.
1. Access the battery compartment by turning the battery
cap counterclockwise.
2. Use the fingers of one hand to squeeze the battery
compartment o-ring while simultaneously pushing it out of
its retaining groove. Grasp the o-ring with fingers of the
other hand and pull it off the battery compartment.
3. Ensure the o-ring retaining groove is clean and free of
debris.
4. Stretch the replacement o-ring over the battery
compartment and into its retaining groove.
Neck Cord Replacement
No tools are required to perform this procedure.
1. Feed one end of the neck cord through the channel on
the MNVD housing as shown in Figure 3-1.
2. Feed the other end of the neck cord through the tab in the
lens cover.
3. Secure both ends with a knot.
4. Place the lens cover over the objective lens.