TM 55-1520-240-23-9
11-239
INSTALL TUNNEL AFT CONNECTING LINKS
(Continued)
11-239
7.
If left tunnel aft connecting link (15) is being
installed, check clearance between bolt (16)
and arm (9). Clearance shall be 0.060 inch
minimum. If clearance is more than 0.060 inch,
go to step 11. If clearance is less than 0.060
inch, go to step 8.
Epoxy primer (E292.1) is flammable
and toxic. It can irritate skin and
cause burns. Use only with adequate
ventilation, away from heat and
open flame. Avoid contact with skin,
eyes, or clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
8.
Remove cotter pin (17), nut (18), two washers
(19 and 20), and bolt (16). Burnish idler (9)
under bolt hole. Use abrasive paper (E11). Do
not burnish deeper than 0.040 inch in depth and
1 inch in diameter. There shall be no sharp
indentations or gouges in burnished area. Touch
up burnished area with two coats of epoxy primer
(E292.1). Wear gloves (E184.1).
9.
Install bolt (16), two washers (20 and 19), and
nut (18). Torque nut to 60 to 90 inch-pounds.
10.
Install cotter pin (17). Turn ends of cotter pin
into nut castellations to maintain 0.060 inch
clearance.
11.
Check bolt (16). Bolt shall not rotate with torque
less than 10 inch-pounds. Bolt shall have no
axial looseness. If bolt rotates or is loose, add
washer under nut and repeat steps 9 and 10.
NOTE
If any connecting links are changed
in length, perform neutral rig check
(Task 11-33).
INSPECT
FOLLOW-ON MAINTENANCE:
Connect servocylinder connecting links (Task
11-193).
Remove safety block (Task 11-29).
Functionally check operation of tunnel controls (TM
55-1520-240-T).
Close tunnel access doors (Task 2-2).
END OF TASK
11-932
