TM 55-1520-240-23-4
5-44
REMOVE HORIZONTAL HINGE PIN, PITCH-VARYING HOUSING AND PIN
BEARINGS
(Continued)
5-44
REMOVE PITCH-VARYING HOUSING
1.
Remove lockwire. Remove plug (1) and packing
(2).
2.
Remove lockwire. Remove plug (3) and packing
(4). Drain oil into container.
3.
Remove lockwire from tie-bar pin (6). Remove
bolt (7), washers (8), and retaining washer (9).
Do not tap pin down to remove.
Retaining bolt nut plate will be
damaged.
4.
Install 3/8 inch x 24 thread x 5 inch bolt (10) in
pin (6) and pull pin from pitch-varying shaft (11).
Remove bolt.
Pitch housing and other parts must
be installed in same location. Parts
must be tagged.
5.
Pull pitch-varying housing (5) from pitch-varying
shaft (11).
Solvent (E162) is flammable and toxic.
It can irritate skin and cause burns.
Use only in well-ventilated area, away
from heat and open flame. In case
of contact, immediately flush skin or
eyes with plenty of water for at least
15 minutes. Get medical attention
for eyes.
6.
Check that rollers (12) are in cage (13). Clean
and position rollers if needed. Use cloth (E120)
damp with solvent (E162). Apply grease (E190)
to prevent rollers from falling.
REMOVE PITCH-VARYING SHAFT AND HORIZONTAL
HINGE PIN
6.1.
Remove thrust washer (18) from housing.
7.
Pry two end seal plugs (14) from horizontal hinge
pin (15). Use two drifts (16). Remove packings
(17).
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