TM 55-1520-240-23-9
11-237
INSTALL TUNNEL CONNECTING LINKS
(Continued)
11-237
1.
Insure bearings (19) are installed in control arm
(3). Position right tunnel connecting links (1 and
2) in control arm (3), with bushing (4) on top.
Remove tags.
2.
Install bolt (6), two washers (7 and 8), and nut
(9). Torque nut to 60 to 90 inch-pounds. Install
cotter pin (10).
3.
Position left connecting links (11 and 12) in arm
(3), with bushing (5) on top. Remove tags.
4.
Install bolt (13), two washers (14 and 15), and
nut (16). Torque nut to 60 to 90 inch-pounds.
5.
Check clearance between bolt (13) and idler arm
(18). Clearance shall be 0.060 inch minimum. If
clearance is more than 0.060 inch, go to step 9.
If clearance is less than 0.060 inch, go to step 6.
6.
Remove nut (16), two washers (14 and 15), and
bolt (13). Burnish idler (18) under bolt hole. Do
not exceed 0.040 inch in depth and 1 inch in
diameter. There shall be no sharp indentations or
gouges. Touch up burnished area with two coats
of epoxy primer (E292.1). Wear gloves (E184.1).
7.
Install bolt (13), two washers (14 and 15), and
nut (16). Torque nut to 60 to 90 inch-pounds.
8.
Install cotter pin (17). Turn ends of cotter pin
into nut castellations to maintain 0.060 inch
clearance.
9.
Check bolts (6 and 13). Bolts shall not be rotated
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 step
2 or 4.
11-924
