Paragraphs
1-2A
ALLIS-CHALMERS
FRONT SYSTEM-TRICYCLE
AND
AXLE TYPES
ADJUSTMENT
OF
PEDESTAL
AND
FRONT STEERING GEAR
Models C-CA-RC-WC-WD-WD45
1.
C-CA
SINGLE FRONT WHEEL.
To adjust vertical spindle bearings,
vary
the
shims (4—Fig.
ACl),
lo-
cated between top
of
shaft
and
bearing
cone.
Radiator must
be
removed
to
obtain access
to
shims.
Backlash between bevel gears
of
front (auxiliary) steering unit should
be .002,
and is
adjusted
by
varying
the
shims
(9)
after removing
the
radiator.
Alternate
the
shims with gaskets
to
prevent
oil
leaks.
lA.
C-CA
ADJUSTABLE FRONT
AXLE.
The front support unit
on
these
models houses
the
front steering gear
and carries
the
pivot
pin
for
the
front
axle.
Internal construction,
Fig. AC2,
is same
as
single wheel models.
To ad-
just, follow same procedure
as out-
lined
for
single wheel
C and CA in
preceding paragraph.
IB.
C-CA DUAL FRONT WHEELS.
To adjust vertical spindle bearings,
vary
the
shims (4—Fig.
AC3)
under
cap screw
(2) at
top
of
shaft.
To
gain
access
to
shims, remove
the
pedestal
unit from
the
front support.
Backlash between bevel gears
of
front (auxiliary) steering gear should
be .002. Adjust
by
varying
the
shims
(9) being sure
to
alternate shims with
gaskets
to
prevent
oil
leaks.
2.
RC-WC-WD-WD45 SINGLE
FRONT WHEEL.
On
RC-WC,
and
WD
models prior serial WD25129, the wheel
fork
and
vertical spindle
are
integral
as shown
in
Fig. AC4.
On
later
WD,
after serial WD25128,
and
WD45,
the
wheel fork
is
flange bolted
to the
vertical spindle
as
shown
in
Fig. ACS.
Adjust vertical spindle bearings
by
varying shims
(4)
located
at top of
shaft underneath
the
bearing cone
re-
tainer.
To adjust steering wormshaft bear-
ings,
vary shims (46—Fig. AC6)
to ob-
tain free rotation with zero
end
play.
Mesh
of
worm with sector
is not ad-
justable.
Front wheel bearings
are
adjusted
by varying
the
number
of
shims (40—
Fig. AC4) located between
the
bearing
retainer
and
wheel
hub.
2A. RC-WC-WD WD45 DUAL
FRONT WHEELS.
To
adjust
the ver-
tical spindle shaft bearings
to
the de-
sired .001-.003
end
play, vary number
tr—2
20
Fig. ACI-Mocfefs C and CA
singl9 wheel tric/cfe ver-
sion front support and
front steering gear assem-
bly.
1. Radiator support
2.
Cap
screw
a. Washer
4.
Shims
5.
Bearing: cone &
cup
6. Gasket
7.
Front support
8. Bevel pinion
9. Shims
&
gaskets
10.
Bearing; retainer
12.
Vertical shaft
&
fork
13.
Oil
seal
14.
Bearing
cup &
eon«
16.
Steering
arm
shaft
16.
Oil
seal
17.
Bushinsrs
18.
Bevel segment gear
19.
Retaining
nut
20.
Drag link
Fig. ACa-Modefs C and CA
adfustoble axle version
front support, front
steof'
ing gear, and axlo assent'
bly.
1. Radiator support
2.
Cap screw
3.
Washer
4.
Shims
6. Bearing cone
A cup
6. Gasket
7.
Front support
8. Bevel pinion
9. Gasket
10.
Bearing retainer
13.
Oil
seal
14.
Bearing cone
& cup
16.
Steering
arm
shaft
16.
Oil
seal
17.
Bushings
18.
Bevel segment gear
19.
Retaining
nut
20.
Drag link
21.
Vertical spindle
&
center
steering
arm
22.
Pivot bracket
23.
Axle main member
24.
Spindle support
26.
Bushings
26.
Steering spindle
27.
Bushing (radius
rod^
27
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