TM 1-1520-238-23
Change 8
5-153
5.32.
MAIN ROTOR LEAD LAG LINK BEARING RETAINER AND ROTOR HUB BEARING
REMOVAL/INSTALLATION – continued
5.32.6. Installation
a. Lubricate threads of all removed bolts, nut,
and new nuts with lubricant (item 114, App F).
Lubricate pin, ID’s of bearings, and mating
surfaces of retainers and bearings.
(1) Allow lubricated hardware to cure for 6
HOURS at room temperature, or air dry for 30
MINUTES and then cure for 30 MINUTES at
150 F (66 C).
b. Align link (2) with housing (28).
(1) Lift and move pitch housing (28) as needed to
aline strap pack (29) and link (2) with pitch
housing bearing bore.
(2) Install alignment tool. Use alignment tool
(Figure D-476, App D).
CAUTION
Failure to assure proper alinement
prior to installation of link pin and hub
bearing can result in damage to the
Teflon liners of the lead lag link and/or
pitch housing.
To prevent damage to Teflon lining, do
not pound or force hub bearings into
lead lag link.
c. Install pin (10) and bearing (23).
(1) Install pin (10) and bearing (23) in housing
(28).
(2) Remove alignment tool.
d. Install retainer (26) and shim (27) (if required)
on housing (28). Torque two bolts (24) to 75
INCH POUNDS.
(1) Aline holes and install two bolts (24) through
washers (25), retainers (26), shims (27) (if
necessary), and housing (28).
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M04–230–15
ALIGNMENT
TOOL
2
29
28
M04–230–7A
27
26
25
24
10
23
28
29
