TM 1-1520-238-23
5-152
Change 6
5.32.
MAIN ROTOR LEAD LAG LINK BEARING RETAINER AND ROTOR HUB BEARING
REMOVAL/INSTALLATION – continued
b. Check retainers for burrs, nicks, or scratches.
(1) Damage not to exceed 0.010 INCH maxi-
mum.
c. Check link pin for scratches, nicks, gouges,
and dents.
(1) Damage not more than 0.002 INCH deep
may be blended out to a pin diameter not less
than 1.496 INCH.
(2) Replace pin if diameter is less than 1.496
INCH or if damage is greater than 0.002
INCH deep.
d. Check local areas which come in contact with
hub bearings.
(1) Damage not to exceed 0.005 INCH maxi-
mum.
(2) Blend sharp edges.
e. Check inside diameter of hub bearings.
(1) Hub bearing ID not to exceed 1.506 INCH.
f. Check hub bearings for wear and damage in
the following zones.
ZONE A.
Any crack is cause for rejection.
ZONE B.
Worn anodizing, permissible if in
ZONE B2. Up to 0.050 x 0.50
INCH ZONE B1. Any crack is
cause for rejection.
ZONE C.
Scoring and galling permissible
to a depth of 0.005 INCH
maximum.
ZONE D.
Corrosion, scoring, and galling
permissible up to 0.010 INCH
maximum.
ZONE E.
Fretting and galling permissible
up to a depth of 0.010 INCH
maximum.
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B1
B2
E
D
C
0.70 REF
M04-230-13
A
