TM 5-5420-228-24
PERISCOPE MOUNT LID REPLACEMENT (Sheet 2 of 3)
CLEANING AND INSPECTION:
1.
Visually inspect all parts for cracks. All cracked parts must be replaced.
2.
Visually inspect all parts for mechanical damage or wear. All damaged or worn parts
must be replaced.
3.
Visually inspect all parts for corrosion. Corroded parts which cannot be cleaned with
crocus cloth or steel wool must be replaced.
4.
Using putty knife, remove paint and other debris from lid seal mounting surface.
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. To prevent
personal injury, wear protective goggles and gloves and use only in a
well-ventilated area. Avoid contact with skin, eyes, and clothes and
don't breathe vapors. Do not use near open flame or excessive heat.
The flash point for Type #1 Dry Cleaning Solvent is 100F (38C) and
for Type is 138F (50C). If you become dizzy while using cleaning
solvent, get fresh air immediately and get medical aid. If contact with
eyes is made, wash your eye-s with water and get medical aid
immediately.
Clean mounting surface with clean cloth soaked in dry cleaning solvent.
5.
INSTALLATION:
NOTE
Minimum room temperature for bonding is 65 F. Do not
use tape to hold parts in place.
Apply thin coat of adhesive to lid seal groove.
1.
2.
Allow adhesive to set for 15 minutes.
3.
Place lid seal (A) in groove in mount (B).
Go on to Sheet 3