INSTALL VERTICAL HINGE PIN OIL MANIFOLD TUBE
Do not install tube in tube bore if bore
is burred or dry. Damage to packings
Check that tube bore (4) in pitch-varying housing
(5) is clean and free of any burrs.
Lubricate bore (4). Use oil (E254/E254.1).
Install tube (1) through bore (4). Be careful not to
pinch or cut packings (3). Tap lightly with rawhide
mallet if needed.
Do not over torque retaining nut. Over
torque of nut will damage tube.
Install bracket (6) and nut (7) on tube (1). Torque
nut to 15 inch-pounds.
Install upper vertical hinge pin oil tank (8) (Task