INSTALL TUNNEL CONTROL ARMS
Position four connecting links (23) on control
Install two bushing (29), two bolts (24), two
washers (25), two washers (26), and two nuts
(27). Torque two nuts to 60 to 90 inch-pounds.
Install cotter pin (28).
Check bolts (24). Bolts shall not rotate with
torque less than 10 inch-pounds. Bolts shall
have no axial looseness. If bolt rotates or is
loose, add washer under nut and repeat step 16.
Check clearance between bolt (24) and idler
(16). Clearance shall be 0.060 inch minimum.
If clearance is more than 0.060 inch, go to step
22. If clearance is less than 0.060 inch, go to
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.
Remove cotter pin (28), nut (27), two washers
(26 and 25), and bolt (24). Burnish idler (16)
under bolt hole. Use abrasive paper (E11). Do
not burnish more than 0.040 inch deep 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).
Install bolt (24), two washers (25 and 26) and nut
(27). Torque nut to 60 to 90 inch-pounds.
Install cotter pin (28). Turn ends of cotter pin
into nut castellations to maintain 0.060 inch
Check bolt (24). 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 20 and 21.