Section Ii: Maintenance Procedures; Cleaning The Pvs-7; Head Mount Maintenance - ATN PVS-7 Operator's Manual

SECTION II: MAINTENANCE PROCEDURES

3-2. CLEANING THE PVS-7

CAUTION
THE PVS-7 IS A PRECISION ELECTRO-OPTICAL INSTRUMENT
AND MUST BE HANDLED CAREFULLY. DO NOT SCRATCH THE
EXTERNAL LENS SURFACES OR TOUCH THEM WITH YOUR
FINGERS.
Clean the goggle with water if necessary and dry thoroughly. Clean
lenses with lens paper (and water if necessary, except for demist
shields).
CAUTION
WIPING DEMIST SHIELDS WITH LENS PAPER WHILE WET CAN
DAMAGE THE COATING.

3-3. HEAD MOUNT MAINTENANCE

A. Brow Pad Replacement. replace the brow pad when cracked,
torn or contaminated. perform the following procedure to remove
and replace the brow pads.
CAUTION
FOR PROTECTION OF THE IMAGE INTENSIFIER, DISCONNECT
THE PVS-7 FROM THE HEAD MOUNT PRIOR TO REPLACING
BROW PADS.
1. Firmly grasp the head mount and remove the old brow pad.
2. Gently press on the new brow pad. lightly smooth out any wrin-
kles in the new brow pad.
B. Neck Pad Re-installation. During operation of the goggle, it
is possible for the neck pad to become separated from its position
on the headband. perform the following procedure to reinstall the
neck pad.
1. lift the upper headband strap retention tab (see Figure 3-1) al-
lowing the neck pad strap to be inserted underneath.
2. Slip the neck pad strap all the way under the upper strap reten-
tion tab and then pull the lower part of the neck pad strap under the
lower strap retention.
3-6