Front System-Tricycle And Axle Types; Adjustment Of Pedestal And Front Steering Gear - Allis-Chalmers B Shop Manual

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 S I N G L E
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 D U A L
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 C A
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