1600-122
WILLYS MODEL "MB"
X-T(
3N
4
x
4
GOVERNMENT TRUCK
The two left hand threaded
"U"
shackles can be
identified by a forged boss on the lower shank of the
shackle identifying the left hand thread Fig.
4.
These two left hand threaded
"U"
shackles are
used at the left front spring and the right
rear
spring, with the left hand threaded end at the spring
eyes.
FIG. 3-SPRING SHACKLE-Left Front Spring
Wlllya
Pmd
Part
Part
No.
No.
No.
Name
1
835532
CPW-MI
Spring
Shackle
Bushlng
Asaembly
(Ml
hand
Thread)
2
634432
GPW-6464
Sprlng
Shackle
Buahlna
Asscmbly
(Rlpht
hand
Thread)
3
A-B12
CPW-5311
Fmnt
Spring
Asaembly-Mt
4
Ad15
GPW-5481
Spring
Shacklc
Grease
CFal
5
A-513
GPW-5778
Spring
Shackle
U-Bolt(Left
hand
Thread)
6
A.1252
GPW-5482
Spring
Shacklc
Greaae
Ceal Retainer
The
"U"
shackles are installed
co
that the bush-
ing hexagon heads are to the
outside of the frame.
When making installation of a new
"U"
shackle
or shackle
bushing the following procedure should
be followed.
Install shackle grease seal and retainer over
threaded end of shackle up to the shoulder.
In-
sert new shackle through frame bracket and eye of
spring. Holding
"U"
shackle tightly against frame.
start
upper bushing on shackle, care being taken
when it enters the thread in the frame that
it
is not
cross threaded.
Screw
bushing on shackie about
halfway, and then start lower
bushing holding
shackie tightly against spring eye and thread bush-
ing in approximately
Iialfway, then alternating from
top
bushing to lower bushing turn them in until the
head of the bushing is snugly against the frame
bracket, and the
bushing in spring eye is
?&"
away
from spring measured from
inside of hexagon head
to spring.
Lubricate the bushings with high
pressure
lubricant and then try the
Aex
of the shackle, which
should be free. If shackle is tight it
wil1 be detri-
mental to the bushings as wel1 as to the spring
and it
wil1 be necessary to rethread the bushings on
shackle.
Remove
and Replace Spring
To remove a spring raise the vehicle, then place
a
stand jack under frame side rail, adjusted to a
distance so that the load is relieved on the spring
and yet the
wheels still rest
w
the floor, remove
the four
"U"
bolt nuts and lock ,washers. Remove
spring plate or torque spring. Lower jack at side
rail so that the spring is free from axle.
Remove pivot bolt nut and drive out pivot bolt
from spring bracket and
bushing Fig.
5.
Remove bushing from
"U"
shackle.
To install spring, replace pivot bolt first and then
the
"U"
shackle bushing. Raise jack and place
center bolt in spring saddle and install
"U"
balts
and nuts.
"U"
bolt nut, torque wrench reading,
50-55
ft. Ibs., when torque reaction spring is used,
60-65 ft. Ibs. Spring pivot bolt nut,
27-30
ft. Ibs.
FIG. &SPRING BOLT-Right Rear Spring
WllIy.
Ford
Part
Part
No.
No.
No.
Name
FIG.
4-SHACKLE
&
BOLT
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