TM 55-1520-240-23-4
5-98
REPAIR PITCH LINK
(Continued)
5-98
1.
Check the pitch link bearings (1) as follows:
a.
Clamp inner race (2) in bench vise (3). Use
bolt (4), washers (5), and nut (6).
b.
Attach dial indicator (7) to pitch link (8).
c.
Place contact point (9) against vise (3).
d.
Have helper apply load of 50 pounds in
horizontal direction. Use dial indicating scale.
Set dial indicator (7) to 0.
e.
Apply load in opposite direction. Read
bearing clearance on indicator (7).
f.
Remove pitch link (8) from vise (3).
2.
If bearing clearance is less than 0.010 inch, go
to step 5.
REPLACE BEARING
3.
If bearing clearance is greater than 0.010 inch,
remove and check bearing (1) as follows:
a.
Press bearing (1) out of rod-end (10 or
11). Use arbor press and adapter (TM
55-1500-322-24).
Dry cleaning solvent (E162) is
combustible and toxic. It can irritate
skin and cause burns. Use only with
adequate ventilation, away from open
flame. In case of contact, immediately
flush skin or eyes with water for
at least 15 minutes. Get medical
attention for eyes.
b.
Wipe rod-end clean. Use cloth (E120) damp
with solvent. Wear gloves (E186).
c.
Check rod-ends (10 or 11) for cracks or
defects using Magnetic Particle Method.
There shall be no cracks or staking marks. If
a crack in the rod-end is suspected, refer to
TM 1-1520-253-23.
5-593
