TM 9-2330-294-14
(7) Lift forward end of equilizer beam with jack
c. Cleaning.
(1) Clean all dirt and grease from suspension
or sling and position beam bushing in frame bracket.
parts using dry-cleaning solvent type II (SD-2) and
(8) Position bearing cap on frame bracket studs
with two keys in place. Install cap on frame bracket,
a stiff fiber brush.
using two cap screws, washers and nuts. Using
( 2 ) Clean rubber air springs and air lift with
torque wrench (GG-W-686) tighten two nuts to 650-
soap and water.
850 lb ft torque. Install cotter pins.
d. Inspection.
(1) Inspect parts for cracks, damage or wear.
(9) Remove jack or sling support from equalizer
(2) Inspect air springs for leaks.
beam.
(3) Inspect axle shaft for fatigue cracks around
(10) Check axle alinement (para 5-9a ). If axle is
bearing journals, shoulders and welded brackets or
in alinement, use torque wrench (GGG-W-686) and
t a p p i n g pads.
tighten eight cap screws securing axle to equalizer
beam to 1,450- 1,850 lb ft torque. If axle is not in
(4) Inspect journals f o r e x t r e m e w e a r o r
a l i n e m e n t , remove axle and make rear suspension
scoring. No more than 10 percent of bearing surfaces
a l i n e m e n t adjustment (para 5 - 9 b ) .
c a n be pitted or scored. Markings cannot be over
0.002 inches deep.
(11) Install axle lift assembly (para 4-54) and
air springs (para 4-55).
(5) See paragraph 6-11 and table 6-2 for repair
(12) Install air spring protection plate (para 4-
standards for rear axle equalizer beam components.
61).
e. Repair.
(13) Install axle chain stop and shock absorbers
(1) Replace parts damaged or excessively worn.
(para 4-56 or 4-57).
(2) Replace axle member if damage is found.
( 14) Connect air hoses and air lines to air
f. Installation.
suspension springs and brakes (para 4-39).
( 1 ) Install axle on equalizer beam in reverse
( 15) Close drain cocks on reservoirs and
order of removal ( b (21) and 22 above).
replenish air supply.
(2) Install brake components, hubs, drums,
wheels, tires, air lines and fittings in reverse order of
removal (b (15) through (20) above).
(fig. 5-9 or 5-10)
(3) Lift semitrailer rear using overhead lift (see
a. Removal.
(1) Remove cotter pin, slotted nut and flat
( 4 ) Aline axle-beam with tire wells and axle
washer from axle guide spindle.
g u i d e bracket on frame. Roll axle-beam assembly
( 2 ) Remove sleeve assembly from spindle on
f o r w a r d under semitrailer, using a plank or metal
semitrailer No. 1 through 200 and/or sleeve bearing
sheet for forward end of beam to ride on, and
and block on semitrailer 201 and on.
position assembly so that end of axle guide spindle is
(3) Remove two self-locking nuts and flat
below and just rearward of the axle guide bracket.
washers from axle stop studs. Push axle stop up, so
(5) Lower semitrailer rear so that axle guide will
that studs clear holes in guide frame bracket.
e n t e r axle guide bracket when assembly is rolled
Remove axle stop.
forward.
( 4 ) Remove six cap screws, flat washers and
(6) Roll assembly forward untif axle guide
nuts securing each pad to guide bracket on
assembly is nested in the axle guide bracket.
semitrailer No. 1 through 200 and/or six cap screws
(Forward end of beam may require support from a
a n d flat washers on semitrailer No. 201 and on.
dolly-t ype jack, o r f r o m a s l i n g t h r o u g h t h e
R e m o v e pads and spacers.
semitrailer bed, in order to provide clearance for the
axle guide).
