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Case International 1190 1194 1290 1294 1390 1394 1490 1494 1594 1690 Shop Manual
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SHOP MANUAL

CASE INTERNATIONAL
(DAVID BROWN)
MODELS
1190-1194-1290-1294-1390-
1394-1490-1494-1594-1690
INDEX (By Starting Paragraph)
MODELS
1190, 1290, 1390, 1490,
1194 1294 1394 1494 1594 1690

BRAKES
Adjustment 286 286 288 288
Disc, R&R 290 290
Hydraulic System 291 291 291 291 291 291
Shoes & Drums, R&R 289 289 289

CAB
Remove & Reinstall 34S 349 349 349 349 349

CLUTCH
Adjustment 208 208 209 211 211 213
R&R and Overhaul 219, 220 219, 220 221 2ZL 221 221
Tractor Split 217 217 217 218 218 218

COOLING SYSTEM
Radiator 151 151 151 %$l 151 151
Thermostat 152 152 162 152 152
Water Pump m
15S 153 153 IM 153 153

DIESEL FUEL SYSTEM

Bleed System
Filters
m 131 131
130
181 131
130
131
130
ISO 130 180
Injection Nozzles 148 143 143 148 143 143
Injection Pump 138 138 1% 140 140

DIFFERENTIAL
Adjustment 274 ^^^ • 2 7 4 274 274 274 274
Differential Lock 277 277 277 277 277 277
Differential, R&R 272 272 .272 272 272 272

ELECTRICAL SYSTEM
Accessory System 195 195 195 195 195 195
Charging System 157 157 157 157 157 157
Starting Motor 180 180 180 180 180 180

ENGINE
Assembly, R&R 75 76 76 76 76 76
Camshaft 97 98 98 98 99 99
Connecting Rods & Pistons 101 101 101 101 101 101
Crankshaft 106 109 109 109 112 112
Cylinder Head 77 78 78 78 79 79
Oil Pump 119 121 121 123 123
Timing Gears 98 94 94 m94 95 95
Turbocharger 126 126 ••*•

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INDEX CONT.

MODELS
1190, 1290, 1390, 1490,
1194 1294 1394 1494 1594 1690
FINAL DRIVE
Assembly, R&R 2*79 279 279 279 279 279
Overhaul 280 280 280 282 284 284

FRONT AXLE (Two-Wheel Drive)

Axle Main Member 4 4 4 4
Front Support 5 6 6 6
Spindles 2 2 2 2
Tie Rod & Toe-in 3 8 3 3
Wheel Bearings 1 1 1
a
1 1
FRONT DRIVE AXLE
Carraro Axle 24 24 24 24
David Brown Axle 7

HYDRAULIC SYSTEM
Adjustments 312 312 312 312 319 312
Filters & Fluid 306 306 307 307 307 307
Operating Principles 303 303 304 304 304 304
Pump 322 322 323 323 323 323
Rockshai't & Linkage 341 341 341 341 342 342
Troubleshooting 309 309 309 309 309 309
Valves 326 326 326 326 326 326
MANUAL STEERING
Assembly, R&R 50
Overhaul 51
POWER STEERING
Bleeding System 57 57 57 58 58 58
Operating Pressure 60 60 60 60 60 60
Pump 61 62 62 62 62 62
Steering Cylinder 66 66 66 68 68 68
Steering Valve 63 63 63 63 63 63
POWER TAKE-OFF
Assembly, R&R 296 296 296 296 296 296
Overhaul 298 298 300 300 302 302
TRANSM][SSION (Power Shift)
Assembly, R&R 258 258 258 258
Overhaul 260 260 260 260
Pump 257 257 257 257
Range Gearbox 268 268 268 268
Valves .... 254 254 254 254
TRANSMISSION (Synchromesh)
Assembly, R&R 223 223 225 225 225 22S
Overhaul 227 227 237, 246 237, 246 246 246
Shift Levers 222 222 222 222 222 222

DUAL DIMENSIONS
This sendee manual provides specifications in both metric (SI) and U.S. customary systems of measurement. The first
specification is given in the measuring system perceived b^ us to be the preferred system when servicing a particular
component, while the second specification (given in parenthesis) is the converted measurement. For instance, a specification
of "0.28 mm (0.011 inch)" would indicate that we feel the preferred measurement in this instance is the metric (SI) system of
measuremtsnt and the IJ.S. customary equivalent of 0.28 mm is 0.011 inch.
 www.classicmachinery.net

CONDENSED SERVICE DATA

MODELS

1190 1290 1390 1490 1690

GENERAL
Engine Make Own
No. of Cylinders 3 4 4 4 6
Bore 100 mm
(3.939 in.)
Stroke 114.3 mm * 114.3 mm
(4.5 in.) (4.5 in.)
Displacement 2.7 liter * 3.6 liter 3.6 liter 5.4 liter
(164 cu. in.) (219 cu. in.) (219 cu. in.) (329 cu. in.)
Compression Ratio 17:1 17:1 17:1 16:1 16:1
Battery 12-Volt, Negative Ground
No. of Forward Speeds 12
* 1290 models with independent pto clutch manufactured before P.I.N. 11052369, or 1290 models with continuous pto clutch
manufactured before P.I.N. 11052410 use a 3.2 liter (195 cu. in.) engine which has a stroke of 101.6 mm (4.0 inches). All 1290
models manufactured after these used 3.6 liter (219 cu. in.) engines which have a 114.3 mm (4.5 inches) stroke. Service
procedures are the same for either engine.

TUNE-UP
Firing Order 1-2-3 1-5-3-6-2-4
Valve Clearance (Cold) -0.25 mm—
(0.010 in.)
Injection Timing 16° BTDC 17° BTDC 17*^ BTDC 20° BTDC 25° BTDC
Engine Low Idle Rpm . 750
Engine High Idle
(No-Load) Rpm -2350-2375- 2450
Engine Rated Speed
(Full Load) 2200— 2300
Power Rating 37 kW 45 kW 52 kW 66 kW 82 kW
(49 hp) (60 hp) (70 hp) (88 hp) (110 hp)

SIZES AND CLEARANCES

Crankshaft Main Journal
Diameter — -63.474-63.487 mm- - 66.65-66.66 mm 69.84-69.85 mm
(2.4990-2.4995 in.) (2.6240-2.6245 in.) (2.749-2.750 in.)
Crankpin Journal
Diameter — —60.27-60.29 mm— - 63.45-63.46 mm 60.27-60.28 mm
(2.3730-2.3735 in.) (2.4980-2.4985 in.) (2.3728-2.3732 in.)
Main and Rod Bearing
Running Clearance — -0.05-0.10 mm-
(0.002-0.004 in.)
Crankshaft End Play — —0.05-0.25 mm 0.15-0.25 mm
(0.002-0.010 in.) (0.006-
0.010 in.)
Cylinder Bore — -100.046-100.066 mm-
(3.9388-3.9396 in.)
Piston Diameter — —99.86-99.88 mm—
(3.9315-3.9323 in.)
Valve Stem Diameter — —9.454-9.479 mm—
(0.3722-0.3732 in.)
Camshaft Journal Specifications,
See Paragraph 97 98 98 98 99
CAPACITIES
8.5 liters -14.2 liters- 15.3 liters
Cooling System ........ (9 qts.) (15 qts.) (16 qts.)
6.25 liters -7.4 liters- 12.5 liters
Crankcase (With Filter) . . . . (6.6 qts.) (7.8 qts.) (13.2 qts.)

Transmission, Hydraulic -27.5 liters- -42 liters-

and Differential Case — (29 U.S. qts.) (44.5 U.S. qts.)
Fluid Type Case PTF Fluid or Hy-Tran Plus
 www.classicmachinery.net

CONDENSED SERVICE DATA CONT.

MODELS
1190 1290 1390 1490 1690
CAPACITIES ( C o n t )
Final Drive (Each) -2.3 liters- 6.8 liters 7.5 liters
(2.5 U.S. qts.) (7 U.S. qts.) (8 U.S. qts.)
Fluid Type ET HB Fiuid-
Power Ste€Ting 0.9 liters 1.25 liters—
(1 U.S. qt.) (1.5 U.S. qts.)
Fluid Type -Case TCH Fluid
Manual Steering Gear 1.2 liters
(1.3 U.S. qts.)
Fluid Type Case FDL
SAE 140
Front Drive Axle Differential-
David Brown -8 liters-
(8.5 U.S. qts.)
Fluid Type -Case FDL SAE 90-
Carraro -4 liters-
(4.25 U.S. qts.)
Fluid Type -Case FDL SAE 90-
Front Drive Axle Final
Drive (Each)—
David Brown -0.9 liters^
(1 U.S. qt.)
Fluid Type -Case FDL SAE 90-
Carraro -1.4 liters-
(1.5 U.S. qts.)
Fluid Type -Case FDL SAE 90-

MODELS
1194 1294 1394 1494 1594
GENERAL
Engine Make Own
No. of Cylinders 3 4 4
—100 mm—
Bore (3.939 in.)
—114.3 mm—
Stroke (4.5 in.)
—3.6 liter— 5.4 liter
Displacement 2.7 liter (219 cu. in.) (329 cu. in.)
(164 cu. in.) 17:1
Compression Ratio 17:1 -12 volts, Negative Ground-
Battery 12
No. of Forv/ard Speeds

TUNE-UP
Firing Order : . 1-2-3 —1-2-4-3 1-5-3-6-2-4
Valve Clearance (Cold) -0.25 mm
(0.010 in.)
Injection Timing 16° BTDC 17° BTDC IT BTDC 20^ BTDC 25° BTDC
Engine Lov/ Idle Rpm 750 600-650
Engine High Idle
(No-Load) Rpm -2350-2375- 2450
Engine Full Load Rpm -2200- 2300
Power Rating 35 kW 45 kW 53 kW 61 kW 72 kW
(49 hp) (62 hp) (77 hp) (85 hp) (97 hp)
 www.classicmachinery.net

CONDENSED SERVICE DATA CONT.

MODELS

1194 1294 1394 1494 1594

SIZES AND CLEARANCES

Crankshaft Main Journal
Diameter -63.474-63.487 mm- - 66.65-66.66 mm 69.84-69.85 mm
(2.4990-2.4995 in.) (2.6240-2.6245 in.) (2.749-2.750 in.)
Main and Rod Bearing
Running Clearance -0.05-0.10 mm-
(0.002-0.004 in.)
Crankshaft End Play -0.05-0.25 mm 0.15-0.25 mm
(0.002-0.010 in.) (0.006-0.010 in.)
Cylinder Bore 100.46-100.66 mm-
(3.9388-3.9396 in.)
Piston Diameter 99.86-99.88 mm—
(3.9315-3.9323 in.)
Camshaft Journal Specifications,
Refer to Paragraph 97 98 98 98

CAPACITIES
Cooling System 8.5 liters —14.2 liters— 15.3 liters
(9 U.S. qts.) (15 U.S. qts.) (16 U.S. qts.)
Crankcase (with Filter) 6.25 liters —7.4 liters— 12.5 liters
(6.6 U.S. qts.) (7.8 U.S. qts.) (13.2 U.S. qts.)
Transmission, Hydraulic
and Differential Case—
Synchromesh 27.5 liters 27.5 liters 36.5 liters 42 liters 42 liters
(29 U.S. qts.) (29 U.S. qts.) (38.5 U.S. qts.) (44.5 U.S. qts.) (44.5 U.S. qts.)
Power Shift 42 liters 42 liters 42 liters
(44.5 U.S. qts.) (44.5 U.S. qts.) (44.5 U.S. qts.)
Fluid Type Case PTF Fluid or Hy-Tran Plus-
Final Drive (Each) -2.3 liters- 6.8 liters 7.5 liters
(2.5 U.S. qts.) (7 U.S. qts.) (8 U.S. qts.)
Fluid Type -Case ETHB Fluid-
Power Steering 0.9 liters 1.25 liters—
(1 U.S. qt.) (1.5 U.S. qts.)
Fluid Type -Case TCH Fluid
Front Drive Axle
Differential .... : 6 liters NOTE 1 NOTE 2 NOTE 3
(6.25 U.S. qts.)
Fluid Type Case FDL SAE 90
Front Drive Axle
Final Drive (Each) 1.4 liters NOTE 1 NOTE 2 NOTE 3
(1.5 U.S. qts.)
Fluid Type Case FDL SAE 90

NOTE 1: Prior to P.I.N. 11503001, diflFerential capacity is 6 liters (6.25 U.S. qts.) and final drive capacity is 1.4 liters (1.5 U.S.
qts.). P.I.N. 11503001 and after, differential capacity is 4 liters (4.25 U.S. qts.) and final drive capacity is 1 liter (1.06
U.S. qt).

NOTE 2: Prior to P.I.N. 11518001, differential capacity is 6 liters (6.25 U.S. qts.). and final drive capacity is 1.4 liters (1.5 U.S.
3ts.). P.I.N. 11518001 and after, differential capacity is 4 liters (4.25 U.S. qts.) and final drive capacity is 1 liter (1.06
qts
•J.S. qt.).
U.I

NOTE 3: Prior to P.I.N. 11221501, differential capacity is 5 liters (5.25 U.S. qts.) and final drive capacity is 1.7 liters (1.75 U.S.
:s.). P.I.N. 11221501 and after, differential capacity is 4 liters (4.25 U.S. qts.) and final drive capacity is 1 liter (1.06
qts..
U.S. qt).
 www.classicmachinery.net

Paragraphs 1-4

FRONT AXLE
(TWO-WHEEL DRIVE)
FRONT WHEEL BEARINGS side to be serviced. Remove cap screw mm ( VB inch), measured between wheel
(1) and washer (2) which retains steer- rims at front and rear of wheels. Toe-in
All Models ing arm (3), and remove steering arm can be adjusted by lengthening or
from spindle. . • shortening threaded tie rod ends equal-
1. A typical front wheel spindle, ly.
wheel hub and bearing assembly are NOTE: If steering arm ( 3 ) is tight on Tie rod ends are nonadjustable. If
shown in Fig. 1. spindie ( 9 ) , reinstall cap screw ( 1 ) minus excessively worn, they must be renewed
It is recommended that wheel bear- washer ( 2 ) and rap head of cap screw as complete units.
ings be lubricated with multipurpose sharply to loosen steering arm. Care
lithium base grease using a pressure should be taken not to damage cap screw
grease gun after every 50 hours of nor- or threads in spindie. AXLE MAIN MEMBER
mal operation.
To adjust wheel bearings, tighten Remove spindle and upper "0'^ ring All Models
slotted nut (17—Fig. 1) to 95 N-m (70 (4—Fig. 1). Remove thrust washer (6)
ft.-lbs.) torque while turning the wheel. on all models and thrust bearing (7) on 4. REMOVE AND REINSTALL.
Loosen the nut, then retighten to 40 1490,1494,1594 and 1690 models. On all Refer to appropriate Fig. 2, 3 or 4 for an
N-m (30 ft.-lbs.) torque while turning models remove lower "0" ring (8). exploded view of front axle assembly.
the wheel. Make certain wheel turns With spindle removed, upper and Disconnect drag link (manual steering),
freely. Loosen nut, if necessary, to align lower spindle bushings (8 and 10—Fig. steering cylinder lines (power steering)
hole for cotter pin, then install a new 2) can be removed from axle extension or steering cylinder as necessary for
pin. (9) using a suitable puller or drift model being serviced. Support front of
punch. New bushings should be pressed tractor with suitable stand. Loosen
into axle extension until flush with out- trunnion pin retaining bolt (15) about
SPINDLES er surface of axle extension. Bushings five turns, then rap head of bolt with a
are presized and should not require hammer to dislodge threaded insert
All Models reaming if carefully installed. (23). Remove bolt and insert. Remove
Reinstall by reversing removal pro- expansion plug from trunnion pin bore
2. REMOVE AND REINSTALL. cedure making certain thrust bearing if so equipped. Screw slide hammer
To remove spindle (9—Fig. 1), support (7—Fig. 1) and thrust washer (6) are in puller into trunnion pin (4) and remove
front of tractor and remove wheel from proper sequence on 1490,1494,1594 and pin. Raise front of tractor until axle is
1690 models. On all models, tighten clear. Remove thrust washer (21) and
steering arm retaining cap screw (11) to " 0 " rings (2 and 22). Drive bushings (3
163 N-m (120 ft.-lbs.) torque. and 20) out of bore noting placement if
different in size or length. Models 1190
and 1194 have a blind hole at the rear,
TIE RODS AND TOE-IN remove bushing with a chisel.
On all models, drive new bushings in
Alt Models until flush with housings. Bushings are
presized and should not require ream-
3, Toe-in of front wheels should be 3 ing if carefully installed. Check trun-

Flg. 2—Exploded view of

front axle used on Models
i190 and if94. Front axle
used on Model 1294 and ear-
ly Model 1394 (before P.I.N.
11504412) is similar.
1. Bolt adapter
2. "0" ring
3. Bushing
4. Trunnion pin
5. Center beam
6. Steering lever
7. "0" ring
8. Bushing
9. Axle extension
10. Bushing
U. Plastic plug
12. Tie rod end
Fig. 1—Exploded view of typical front spindle 13. Tie rod
assembly showing component parts and their rel- 14. Spacer tube
ative positions. 15. Axle retaining bolt
1. Cap screw 16. Axle extension
2. Special washer 11. Oil seat wear sleeve 17. Tie rod
3. Steering lever 12. Oil seal 18. Tie rod end
4. "0" ring 13. Bearing 19. Steering lever
5. Bushings ^ 14. Hub 20. Bushing
6. Thrust washer 15. Bearing 21. Thrust washer
7. Thrust bearing ' 16. Washer 22. "O" ring
8. "0" ring 17. Slotted nut 23. Threaded insert
9. Spindle 18. Gasket
10. Dirt seal 19. Hubcap
 www.classicmachinery.net

Paragraphs 5-8 CASE INTERNATIONAL (DAVID BROWN)

nion pin for free fit and lubricate pin,
bushings, thrust washer and " 0 " rings 25
during assembly.
Check axle front to rear fioat on
trunnion pin. Axle should pivot freely
with a slight front to rear float. If end
float is excessive, renew trunnion pin
thrust washer. •. Fig. 4—Exploded view of
typical front axle aBsembly
used on 1490, 1494, 1594
and 1690 models.
FRONT SUPPORT 2. " 0 " ring
4. Trunnion pin
5. Center beam '
Models 1190 and 1194 6. Steering lever
7. "0" ring
8. Bushing
5. REMOVE AND REINSTALL. 9. Axle extension
10. Bushing
Front support for Models 1190 and 1194 12. Tie rod end
is an integral part of the main frame 13. Tie rod
14. Spacer tube
casting. To renew front support, first 15. Axle retaining bolt
split tractor as outlined in paragraph 16. Axle extension
20. Bushings
217. Remove side covers and engine cov- 21. Thrust washer i
er support framework. Drain engine oil. 22. "0" ring
23. Threaded insert
Remove radiator hoses and radiator. 25. Spacer
Remove battery and battery support. 26. "0" ring
27. Bushing
Remove all engine mounting bolts. Dis- 2&. Pivot link
29. Pivot pin
connect all necessary pipes, control 30. Pivot pin
rods and electrical wiring. Remove en- 31. Anchor fork
gine oil pan. Use a hoist and remove
engine. Remove any remaining compo-
nents from main frame and support
with a suitable lifting device. Remove
front axle as outlined in paragraph 4.
Reassemble by reversing disassem-
bly procedure.

Models 1290-1294-1390-1394-
1490-1494-1594-1690
6. REMOVE AND REINSTALL.
cooler and lines (if so equipped), hy-
draulic pumps, lines and drive shaft.
Remove radiator and hoses. Raise front
of tractor and remove front axle as out-
lined in paragraph 4 for two-wheel
drive models, or paragraph 8 or 25 for
FRONT-WHEEL
DRIVE AXLE
4
Front support (main frame extension) models equipped with front drive axle.
bolts to main frame just forward of Attach a hoist to front support and All models except 1190 and 1194 are
engine. To remove front support, first remove retaining bolts. Remove front available with front-wheel drive. Two
remove engine side covers, air cleaner support. different axles, David Brown and Car-
assembly, battery and supports. Drain Reassemble by reversing disassem- raro, are used. Carraro axles may be
transmission and radiator. Remove oil bly procedure. equipped with standard or limited slip
differential.

DAVID BROWN AXLE

All Models So Equipped

7. TIE RODS AND TOE-IN. Front
wheel toe-in should be 0-1.5 mm (0-We
inch) measured from wheel rim to
wheel rim at front and rear of wheels.
Fig. 3—Exploded view of Toe-in is adjusted by lengthening or
front axle used on late Model
1394 (P.I.N. 11504412 and shortening the threaded tie rod ends
after), Refer to Fig. 2 for equally.
legend. Tie rod ends that are excessively
worn must be renewed as complete
units.
8. R&R AXLE. Front drive axle final
drives and differential may be serviced
without removing entire axle and dif-
ferential housing assembly. However, if
housing or trunnion pin are to be serv-
iced, it will be necessary to remove axle
housing assembly.
 www.classicmachinery.net

SHOP MANUAL Paragraphs 9-10

To remove assembly, first disconnect Note number and thickness of shims (5) chisel to cut through wear sleeve being
all steering lines and cap openings. and remove. Remove spacer (6) and hub careful not to damage surface of stub
Loosen locknuts (6—Fig. 5) on trunnion (7). Seal (10) in hub will be tight on axle axle. Install new sleeve on axle making
shaft cotter pins (31) until they are and should stay on stub axle as hub is sure side with inside chamfered edge
even with threaded ends. Using care to removed. Remove bearing (9) and seal goes onto axle first.
avoid damaging threads, drive cotter (10). Remove steering lever (4—Fig. 8) and
pins (31) through trunnion shaft. Re- Oil seal wear sleeve (11) should be bolts retaining upper and lower bearing
move locknuts and washers from cotter renewed if damaged or worn. Use a pins (6 and 10). Remove bearing pins
pins and remove pins (raise right end of
axle for more clearance). Support axle
and remove core plug (7) from trunnion Fig. 5—Expioded view of Da-
shaft bore with punch and hammer. vid Brown front drive axie
Use slide hammer to pull trunnion used on some models show-
ing component parts and
shaft (33). Raise front of tractor enough their relative positions.
to clear axle and remove axle. Remove 1. Steering lever
thrust washers (36) and " 0 " rings (35 2. Rubber cover
3. Tie rod end
and 37). 4. Breather
5. Steering link
To reinstall, reverse removal proce- 6. Cotter pin nut
dure. Bleed steering system as outlined 7. Core plug
8. Dowel pin
in paragraph 58. 9. Gasket
10. Plug
11. Differential housing
9. RENEW TRUNNION SHAFT 12. Drain plug
BUSHINGS. Remove axle assembly as 13. Axle housing
14. Shield
outlined in paragraph 8. Remove the 15. Bearing
four trunnion shaft bushings (34—Fig. 16. "0" rings
17. Sealing disc
5) using a suitable puller. Install bush- 18. Stub axle
ings making certain grease hole in each 19. Bearing pin
20. Shim
bore is between the two bushings. Refer 21. Bearing pin
to Fig. 6 for correct bushing place- 22. Steering lever
23. Oil seal
ment. 24. Bushing
25. Shield
If trunnion shaft bracket (32—Fig. 5) 26 Bearing 2&. Trunnion shaft bracket
is to be renewed, remove bracket from 27. "O" ring 33. Trunnion pin
34. Bushing
28. Sealing disc
axle housing and remove dowel pins. 29. Breather 35. "O"ring 17
Loosely bolt new bracket to housing 30. Steering cylinder 36. Thrust washer
37. "0" ring
31. Pin
and drive dowel pins in. Tighten bolts
24 23
to 203-244 N-m (150-180 ft.-lbs.)
torque.
Lubricate "0** rings and place in
REAR TRUNNION SHAFT BUSHINGS
thrust washer grooves. When reinstall-
ing thrust washers (36), " 0 " ring is FRONT TRUNNION SHAFT BUSHINGS
Fig. 6—Diagram showing
toward front at front position and to- correct dimensions for the
ward rear at rear position. placement of trunnion shaft
bushings for models equip-
ped with David Brown front
10. FINAL DRIVE AND STUB drive axies.
AXLE. Left and right final drive re- 1. 3 mm (l/g inch)
moval procedure is similar. To remove, 2. 15 mm (19/32 inch)
3. 55 mm {2 Vie inches)
raise and support side to be serviced 4. 3 mm (Vg inch)
and remove tire and wheel. Rotate hub
so drain plug is at bottom and drain
fluid. Remove end plate (12—Fig. 7) and
use pry bars to pull sun gear (15) and Fig. 7^Exploded view of Da-
shaft (1—Fig. 8) out approximately 5 vid Brown front drive axie
mm {%B inch). finai drive showing reiative
position of its component 1 2 3 4 5 6 7 8 10 11
parts.
NOTE: Axle shaft seals can be damaged
1. Locknut
If axle shaft is pulled out too far. 2. Tab washer
3. Planetary gear
4. Bearing
Hold axle shaft out and push sun 5. Shim
gear in until split rings (14—Fig. 7) can 6. Spacer
7. Hub
be removed. Remove sun gear (15) and 8. Plug
thrust washer (16). 9. Bearing
10. Oil seal
11. Sleeve
NOTE: Do no push axle shaft into axle 12. End plate 12 13 14 15 16 17 18 19 20 21 22
housing as oil seal damage could occur. 13. Gasket
14. Split ring
15. Sun gear
Bend tab washer (2—Fig. 7) away 16. Thrust washer
from locknut (1) and remove nut with 17. Bearing pin
18. Bearing
special spanner wrench (CAS-1607). 19. Planet gear
Remove tab washer (2), planetary ring 20. Planet gear carrier
21. Dowel
gear (3) and bearing cup assembly (4). 22. Lockplate
 www.classicmachinery.net

Paragraphs 11-14 CASE INTERNATIONAL (DAVID BROWN)

using jack screws in threaded hole of 11. WHEEL HUB BEARING their original positions. Install lock-
bearing pins. Retain shims (7) for use in PRELOAD. To set stub axle bearing plates so they cover dowel pin holes and
reassembly. Hold axle shaft in place preload, install shims (5—Fig. 7) hav- tighten bolts to 40 N-m (30 ft.-lbs.)
while removing stub axle assembly to ing a total thickness of 2 mm (0.080 torque. Reinstall end plate, tighten
prevent damage to oil seals. Remove inch) next to spacer (6). Install plane- bolts to 100 N m (75 ft.-lbs.) torque and
axle shaft from housing. tary ring gear (3) and nut (1) minus tab fill hub to proper level with Case FDL
Remove upper and lower sealing washer (2). Using special spanner SAE 90 gear lubricant or equivalent.
discs (28 and 17-Fig. 5), " 0 " rings (27 wrench (CAS-1607), tighten nut (1) to
and 16) and bearings (26 and 15) from 203 N.m (150 ft.-lbs.) torque. Mount 13. AXLE HOUSINGS, Axle shaft
axle housing (13). Use a suitable puller dial indicator so point of probe contacts seal (23—Fig. 5) and bushings (24) can
to remove upper and lower bearing cups outside face of hub. See Fig. 10. Mea- be renewed with axle housings in
from axle housing. Remove upper and sure and record amount of end play. place.
lower shields (25 and 14). Correct amount of bearing preload is If removal of housing is necessary,
Remove seal (2—Fig. 8) from inside 0.08-0.13 mm (0.003-0.005 inch). Sub- raise and support front of tractor and
stub axle (8). Using a suitable bushing tract shims equal to measured end play remove tire and wheel from side to be
driver, drive bushing (3) out oil seal end plus 0.10 mm (0.004 inch) from pre- serviced. Drain oil from differential
of stub axle. Install new bushing from viously installed shim pack to obtain housing. Capacity is approximately 8 L
seal end until it seats in stub axle. correct bearing preload. (8.5 quarts). Attach hoist to axle hous-
Install new oil seal with lip of seal Reassemble unit installing tab wash- ing so weight is equally balanced. Dis-
entering bore first. er (2—Fig. 7) and making sure flat side connect steering linkage and remove
To reassemble, reverse disassembly of nut (1) faces inward. Tighten nut to bolts retaining axle housing to differen-
procedure using care not to let axle 203 N-m (150 ft.-lbs.) torque, then se- tial housing, then remove axle housing.
shafts damage oil seals and noting pre- cure with tab washer. Fill each final Remove final drive from axle housing if
load must be set on bearing pin bear- drive with 0.9 L (1 quart) of Case FDL necessary.
ings and stub axle bearings. SAE 90 gear lubricant or equivalent. To reinstall axle housing, reverse the
To set bearing pfin preload, reassem- removal procedure. Tighten housing
ble unit minus shims (7—Fig. 8). Tight- 12. PLANETARY GEAR ASSEM- mounting bolts to 110-130 N-m (80-95
en lower bearing pin mounting bolts to BLIES. Drain fluid, then remove end ft.-lbs.) torque. Fill differential housing
68 N-m (50 ft.-lbs.) torque and upper plate (12—Fig. 7). Remove lockplates to correct level with Case FDL SAE 90
bearing pin mounting bolts to 20 N-m (22) and bolts retaining planetary gear gear lubricant or equivalent.
(15 ft.-lbs.) torque. Push stub axle up carrier (20) to end plate (12). Mark gear
tight against bottom of axle housing carrier, pins, gears and bearings prior 14. R&R DIFFERENTIAL AS-
and use a feeler gage to measure gap to disassembly so they can be reassem- SEMBLY. Differential assembly may
between upper bearing pin flange and bled in their original positions. Remove be removed with differential housing
stub axle. See Fig. 9. Remove upper carrier, gears and bearings. and axle housing installed on tractor. It
bearing pin, then assemble shims so Reassemble by reversing disassem- is necessary, however, to first remove
total thickness is 0.381 mm (0.015 inch) bly procedure making certain gears, left and right stub axle assemblies as
less than feeler gage measurement. bearings and pins are reinstalled in outlined in paragraph 10.
This will correctly preload bearings to
0.10-0.15 mm (0.004-0.006 inch) when
full load is on axle. Tighten upper bear-
ing pin bolts to 68 N-m (50 ft.-lbs.)
torque. Refer to paragraph 11 to set
stub axle bearing preload. Fig. 9—To set bearing pin
preioad, use a feeier gage to
measure gap between bear-
ing pin fiange and stub axie
housing. Refer to text.

Fig. 10—To set stub axle

bearing preload, mount a dlai
indicator so probe contacts
face of wheel hub. Measure
10- _ _ end play and refer to text.
flg^ S—Exploded view of David Brown front drive
stub axle showing component parts and their rel-
ative positions.
1. Axle drive shaft 6. Bearing pin
2. Oil seal 7. Shim
3. Bushing 8. Stub axle
4. Steering lever 9. Wear sleeve
5. Tie rod end 10. Bearing pin

10
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SHOP MANUAL Paragraphs 15-16
gears, pinion gears and pin (10). Sepa-
Fig. 11—Exploded view of rate bevel ring gear from cage as neces-
David Brown differentiai as- sary.
sembiy showing component Bevel ring gear and pinion shaft are
parts and their relative posi-
tions. serviced as matched sets only and must
1. Differential support bracket be installed as such.
2. Gasket If bevel ring gear and pinion shaft,
3. Bearing cap
4. Tab washer pinion shaft bearings or carrier are
5. Bearing cap bolt renewed, pinion shaft protrusion must
6. Lockplate
7. Dowel pin be set as outlined in paragraph 16.
8. End plate
9. Side gear Reassemble by reversing disassembly
10. Differential pin procedure. Adjust carrier bearings and
11. Differential pinion gear
12. Side gear bevel gear backlash as outlined in para-
13. Lockplate graph 17.
14. Differential cage
15. Bevel gear
16. Pinion shaft
17. Bearing 16. PINION SHAFT PROTRU-
18. Shim SION AND BEARING PRELOAD.
19. Bearing
Special tool (DB-8208) is required to set
20. Adjuster wheel
21. Tab washer
pinion shaft protrusion on David
22. Front spacer
23. Shim Brown axle, and all bearings, cups and
24. Rear spacer
spacers to be used in final assembly
25. Bearing
must be installed.
26. Spacer
27. Seal
28. Flange Assemble pinion shaft in carrier
minus shims (18—Fig. 11), oil seal (27),
29. Sealing washer
30. Retaining washer
spacer (26), sealing washer (29), front
31. Locknut
spacer (22), shims (23) or rear spacer
32. Cap screw
33. Steering cylinder cap
(24). Install flange (28), retaining wash-
34. Cap screw
er (30), and locknut (31) on pinion shaft
(16) and tighten locknut until all end
With stub axle assemblies and axle can be reinstalled in their original posi- play of pinion shaft is just removed,
drive shafts removed, remove main tions and remove. Remove adjuster then tighten locknut just a small
drive shaft and steering cylinder. Sup- rings. Remove differential bevel ring amount more to slightly preload bear-
port diflferential unit on floor jack and gear and cage as an assembly. ings. Install special tool in carrier bear-
remove retaining bolts. Carefully move Remove pinion shaft locknut (31 — ing bores as shown in Fig. 12. Install
differential assembly out of housing Fig. 11), then drive pinion shaft shaft (CAS-1236-6), probe and spacer
and lower to floor. through flange (28) and carrier (1). (CAS-1609) and locknut (CAS-1234-4)
Reinstall by reversing removal pro- Front spacer (22), shims (23) and rear of special tool so probe point lightly
cedure. Tighten differential assembly spacer (24) should remain on pinion contacts face of pinion shaft gear.
retaining bolts to 68 N m (50 ft.-lbs.) shaft as it is removed. Remove remain- Tighten locknut to lock probe in this
torque and drive shaft bolts to 54 N m ing bearing cups and shims from car- position. Using a feeler gage, measure
(40 ft.-lbs.) torque. Fill differential to rier (1) as necessary. Inspect bearings and record amount of gap between
correct level with Case FDL SAE 90 and spacers on pinion shaft and renew spacer and probe. See Fig. 13.
gear lubricant or equivalent. as necessary.
Mark end plate (8), cage (14) and bev-
15. OVERHAUL DIFFEREN- el ring gear (15) so they may be reas- GAP BETWEEN SPACER
TIAL. Remove differential assembly sembled in their original positions. Re- AND PROBE
and place in a stand with flange end move carrier bearings and separate end
toward floor. Mark bearing caps so they plate (8) from cage (14). Remove axle

Fig. 13—Measure gap be-

tween probe and spacer of
special tool (DB-8208) with
a feeier gage.

THICKNESS OF
SHIMS HEEDED

Fig. 12—To set pinion shaft protrusion, install special tool set
iDB'8208) in carrier housing as shown. Refer to Fig. 13 and to text to
determlnethicknessofshimsrequiredtocorrectlysetshaftprotrusion.

11
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