TM-9-2330-356-14
SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1990
TM-9-2330-356-14 - Page 327 of 528
(5)
(6)
(7)
(8)
Repeat steps (2) through (4) for opposite side.
Install both axles (para 5-15).
Install wheels on both axles (para 4-49).
Remove supports and jacks, and lower rear
end of semitrailer to ground.
5-14. Axle M967, M969, and M970 except M970
SN TC-0843, TC-0844, and TC-103 thru T -178).
a.
Removal (Fig.
5-3).
(1) Position semitrailer on hard, level surface
with front resting on landing gear.
WARNING
Release air pressure from both air reservoirs
before doing any work on brake lines or other
pressurized air lines.
(2) Release air from both air reservoirs by
opening drain cocks on bottom of reservoirs (fig. 4-79).
(3) Loosen wheel nuts while wheels are on
ground.
(4) Position jacks approximately 18-inches to the
inside of lower torque rod brackets on axle. Jack up axle to
be removed until wheels are 1-inch off the ground.
(5) Remove wheels (para 4-49).
(6) Raise rear of semitrailer with an overhead
crane or A-frame support until weight of sprigs has been
removed from axle. Block frame securely (fig. 5-3).
(7) Tag and disconnect air lines from ‘brake
chambers on axle being removed.
(8) Disconnect upper and lower torque rods from
the axle being removed (para 5-11).
(9) Revolve axle away from the springs until free.
Use a dolly jack and remove axle.
b.
Installation (Fig. 5-3).
(1) Move axle into position under semitrailer.
Upper torque rod bracket on axle should be toward right
(curbside) of semitrailer. Position jacks approximately
18-inches to the inside of lower torque rod brackets on
axle. Raise and revolve the axle into position on ends of
suspension springs.
TM 9-2330-356-14
(2) Connect upper and lower torque rods
(pars 5-11).
(3)
tagged.
(4)
(5)
(6)
Connect air lines to brake chambers as
Install wheels (para 4-49).
Remove supports and jacks.
Tighten wheel nuts to proper torque and in
proper sequence (pars 4-49).
5-15. Axle M967A1, M969A1, and M970A1
including
M970 SN TC-0843, TC-0844, and TC-103
thru TC-78).
a.
Rcmoval (Fig. 5-5).
(1) Position semitrailer on
with front resting on landing gear.
WARNING
hard, level surface
Release air pressure from both air reservoirs
before doing any work on brake lines or other
pressurized air lines.
(2) Release air from both air reservoirs by
opening drain cocks on bottom of reservoirs (fig. 4-79).
(3) Loosen wheel nuts white wheels are on
ground.
(4) Position jacks just inboard of the spring end
up on axle. Jack up axle to be removed until wheels clear
the ground.
(5) Remove wheels (para 4-49).
(6) Raise rear of semitrailer with an overhead
crane or A-frame support until weight of springs has been
removed from axle. Block frame securely (fig. 5-5).
(7) Remove brake air chambers (para 4-38).
(8) Remove four nuts, four washers. and four
bolts which fasten the spring end cap to spring seat on axle.
(9) Remove four nuts, four washers, and two
U-bolts which fasten the spring seat on axle to the spring
end cap.
(10) Remove leaf spring seats.
(11) Remove cushioning pads.
(12) Remove adjustment plates.
Change 3
5-19
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