HEADREST ASSEMBLIES INSTALLATION
TOOLS: 5/64" socket head screw key (Allen wrench or equivalent)
1/8" and 3/8" flat tip screwdriver
Aircraft and instrument grease (item 1, App A)
REFERENCES: JPG 41 C for lubrication
EQUIPMENT CONDITION: Support on work bench or in tank and headrest assemblies on work bench
prior to installation in tank
This procedure is the same for both left and right
Put a small amount of gre0ase on screws (1) and in mounting; holes of bracket (2) (JPG).
Using hand, slide bracket (2) onto plate (3) and line up holes in bracket (2) and plate
Using fingers, install screws (1), spring washer (4), thrust (flat) washer (5), and stops by
tightening screws (1) into plate (3).
Bracket may require a slight rotary movement to allow
the hub of the screw to enter the hole in the bratket.
Using 3/8" screwdriver, tighten screws (1) until there is a noticeable bind between
bracket (2) and plate (3). Do not overtighten; spring washers, will become useless.
Install two disks (6) into set screw hole in plate (3) and push down slightly with 1 /8"
Using 1 /8" screwdriver or Allen wrench, install two setscrews (7) and tighten until they
prevent rotation of two screws (1) when bracket (2) is rotated.
END OF TASK