TM 55-1520-240-23-5
6-50
ASSEMBLE FORWARD TRANSMISSION PACKAGE
(Continued)
6-50
7.
Have helper position servocylinder (11) between
lugs (13).
Make sure slip fit bushings are
installed on shanks of bolts; otherwise,
personal injury, loss of life, or loss of
helicopter can result.
NOTE
Install countersunk washers with
countersink against bolthead.
Two washers may be used under nut
to install cotter pin.
8.
Check that countersunk washer (14), washer
(14.1) and slip fit bushing (14.2) are installed on
shank of each bolt (15). Install bolts through lugs
(13). Install one or two washers (16) and nut (17)
on each bolt.
9.
Torque bolts (15) to 320 to 720 inch-pounds.
Install cotter pins (18).
10.
Install two check valves (10). Connect tubes (9)
to valves.
11.
Position link (19) in bellcrank (5).
12.
Install bolt (20), head inboard, steel washer (21)
under bolt head, aluminum washer (22), and
nut (23). Torque nut to 30 to 45 inch-pounds.
Install cotter pin (24).
13.
Check link (19) and bellcrank (5). There shall be
no axial looseness between them.
14.
Check bolt (20) and nut (23). Torque needed
to turn bolt and nut shall be at least 10
inch-pounds.
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