TM 9-2330-271-14&P
(5) Remove four nuts and lock washers
(10) Remove torque rods from brackets by
securing two upper torque rods to chassis suspension
prying rod ends away from brackets.
d. Upper Torque Rod Installation
bracket and upper torque rod brackets on front and rear
main axles (fig. 4-38).
(1) Make sure ball ends and mounting holes
(6) Loose torque rod ball ends (para 4-55a(3).
in brackets are free of dirt. Follow instructions of Note
(7) Remove eight nuts, lock washers and
bolts securing upper torque rod brackets to front and
(2) Install upper torque rods in the reverse
rear axles.
order of the procedure In paragraph 4-55c.
(8) Remove
torque
rod
from
frame
(3) Torque each torque rod nut (para 4-55c(5)
suspension bracket by prying rod end in and away from
to 570-630 lb-ft.
bracket.
(4) Torque each upper torque rod bracket nut
(9) Remove upper torque rod brackets and
torque rods by lifting up and away from locating pins on
axles.
Section XIII. MAINTENANCE OF AIR SUSPENSION SYSTEM
are equipped with air ride suspension (fig. 4-40).
4-56.
Air Suspension System, XM844, XM845,
(2) The air suspension system uses
XM847, XM848, XM849, XM850, XM912,
pressurized air drawn from the conventional towing
XM913
vehicle air system to fill the air springs. Automatic valve
a. General.
control regulates the air pressure required for varying
(1) The XM844, XM845, XM847, XM848,
loads and maintains a constant vehicle ride height at all
XM849, XM850, XM912, and XM913 semitrailers
times.
4-59
