TM 55-1520-240-23-4
5-46
INSTALL HORIZONTAL HINGE PIN, PITCH-VARYING HOUSING, AND PIN
BEARINGS (Continued)
5-46
INSTALL PITCH-VARYING HOUSING
CAUTION
Do not apply excess grease (E190)
to oil seals. Oil passages can be
clogged.
12.
Pack space between lips of seal (16). Use
grease (E190).
13.
Check that bearing surfaces (17) and
seal-running surfaces (18) are clean. Coat
remaining surfaces. Use lubricating oil
(E254/E254.1).
WARNING
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.
14.
Check that bearing rollers (19) are in cage (20).
Clean and position rollers, if needed. Use cloth
(E120) damp with solvent (E162). Apply grease
(E190) to prevent rollers from falling. Use gloves
(E186).
CAUTION
Do not fold or damage seals during
pitch housing installation. Oil leakage
can occur if seal is damaged.
15.
Install housing (21) and align.
Change 2
5-201
