1991-1999 Ford New Holland 5640, 6640, 7740, 7840, 8240, 8340 Tractors OEM Service & Repair Manual

FORD SHOP MANUALS 5640 – 6640 – 7740 7840 – 8240 – 8340

SHOP MANUAL FORD MODELS 5640-6640-7740-7840-8240-8340 The tractor identification plate is iocated on right side under the tractor hood. Seriai and model numbers of the tractor, engine, transmission, rear axie, hydraulic pump and the hydraulic lift are recorded on this identification plate, if equipped with front-wheel drive, a simiiar plate is attached to the rear surface of the front drive axle housing. INDEX (By Starting Paragraph) BRAKES Adjustment 226 Brake Discs and Actuating Assembly 230 Master Cylinder 229 System Bleeding 228 CLUTCH, ENGINE Clutch Assembly, R&R 126 Clutch Linkage 124 Clutch Master Cylinder 129 Clutch Release Bearing 127 Tractor Split 123 COOLING SYSTEM Radiator 87 Radiator Pressure Cap and Thermostat 86 Water Pump 88 DIESEL FUEL SYSTEM Adjustments 83 Filters and Bleeding 70 Fuel Injection Pump 80 Fuel Injectors 72 Fuel Tanks 66 Injection Pump Drive Gear Troubleshooting 69 DIFFERENTIAL, MAIN DRIVE BEVEL GEARS, FINAL DRIVE AND REAR AXLES Bevel Pinion 222 Differential and Differential Lock 220 Rear Axle and Final Drive 224 Tractor Rear Spht 219 DUAL POWER (16 x 4 Transmission) Control Valve 144 Dual Power Unit 145 Lubrication 141 Pressure Test 142 Troubleshooting 143 ELECTRICAL SYSTEM Alternator and Regulator 89 Instrumentation 94 Starting Motor 93 E L E C T R I C A L W I R I N G D I A G R A M S ... 300 E N G I N E A N D COMPONENTS Cam Followers 45 Camshaft and Bearings. 44 Connecting Rods and Bearings 52 Connecting Rod and Piston Units 46 Crankshaft and Main Bearings 53 Crankshaft Oil Seals . 54 Cylinder Head 32 Engine Balancer (5640, 6640, 7740) 56 Engine, R&R 31 Exhaust Valve Rotators 37 Flywheel 57 Oil Pump and Relief Valve 59 Oil Sump 58 Pistons and Rings 47 Pistons and Cylinders 48 Piston Pins 51 Rocker Arms . 33 Timing Gear Cover 38 Timing Gears 39 Turbocharger (7740 and 8340) . 61 Valve Clearance 34 Valve Guides and Springs 36 Valves, Stem Seals and Seats 35 FRONT AXLE (Two Wheel Drive) Axle Center Member, Pivot Pins and Bushings. 4 Front Support 5 Spindles, Axle Extentions and Bushings 3 Tie Rod, T3e-0ut and Tread Adjustment 2 Wheels and Bearings 1 FRONT-WHEEL DRIVE Adjustments 6 Axle Pivot Bearings 14 Bevel Pinion G^ars 17 Differential 15 Drive Shaft 9 Front Drive Axle. 10 Front Support 20 Steering Knuckle Housing 13 Transfer Gearbox 18

Wheel Hub and Planetary (5640, 6640, 7740). 11 Wheel Hub and Planetary (7840, 8240, 8340). 12 HYDRAULIC LIFT (Electronic Draft Control) Electronic Draft Control Valve 280 Hydraulic Lift Cover 278 Operation 270 Troubleshooting 271 HYDRAULIC LIFT (Top Link Sensing) External Linkage Adjustment 291 Hydraulic Lift Cover and Cylinder 285 Internal Linkage Adjustment 288 Lift Assist Cylinder 294 Operation 281 Priority Valve Pack 283 Troubleshooting 282 Unloading Valve 284 HYDRAULIC SYSTEM Hydraulic Fluid and Filters 240 HYDRAULIC SYSTEM (Closed Center Load Sensing) Operation 241 Pressure Testing 243 Pump Overhaul 254 Troubleshooting 242 HYDRAULIC SYSTEM (Open Center) Engine Mounted Auxiliary Gear Pump 269 Operation 258 Pressure Testing 259 Transmission Mounted Tandem Gear Pump . 268 HYDROSTATIC STEERING Fluid and Bleeding 22 Power Cylinder 26 Pump 25 Steering Valve 29 Tests and Adjustment 24 Troubleshooting 23 POWER TAKE-OFF Operating Principles 232 Pto Clutch and Control Valve (Mechanically Operated) 237 Pto Clutch and Control Valve (Electric Solenoid Operated) 238 Pto Output Shafts and Gears 234 Troubleshooting 233 REDUCTION GEARBOX 148 REMOTE CONTROL VALVES Adjustments 296 Remote Control Valve 298 Remote Valve Couplers 299 TRANSMISSION (8x2 Constant Mesh) Lubrication 131 Overhaul 133 Remove and Reinstall 132 TRANSMISSION (16 x 16 Powershift Built Prior To September 1993) Clutch Calibration 178 Electrical Component Description 177 Gearshift Cover 193 Gearshift Linkage 192 Pressure Testing 184 Transmission Control Valve . 190 Transmission Overhaul 194 Troubleshooting Electronic Control System. . 188 Troubleshooting Transmission System 189 TRANSMISSION (16 x 16 'Quad Mod' Power- shift Built September 1993 And After) Clutch Fill Time Calibration 206 Clutch Spring Pressure Calibration 204 Gear Shift Control Cables 216 Pressure Testing 208 Transmission Control Valve 215 Transmision Overhaul 218 Troubleshooting Electronic Control System. . 212 TRANSMISSION (12 x 12 Synchro-Shift) Lubrication 151 Overhaul 153 Remove and Reinstall 152 TRANSMISSION (12 x 12 Synchro-Shift With Dual Power) Clutch Calibration 163 Dual Power Unit 174 Electro-Hydraulic System 162 Lubrication Control Valve 173 Pressure Testing 171 Transmission Control Valve 172 Troubleshooting Electronic Control System. . 167 DUAL DIMENSIONS This service manual provides specifications in both U.S. Customary and Metric (SI) systems of measurement. The first specification is given in the measuring system perceived by 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 0.011 inch (0.28 mm) would indicate that we feel the preferred measurement in this instance is the U.S. Customary system of measurement and the Metric equivalent of 0.011 inch is 0.28 mm.

CONDENSED SERVICE DATA 5640 6640 7740 7840 8240 8340 -127.0 mm - (5.0 in.) —4987 cc — (304 cu. in.) 1-3-4-2- GENERAL Number of Cylinders Bore Stroke 111.8 mm (4.4 in.) Displacement 4390 cc (268 cu. in.) Compression Ratio TUNE-UP Firing Order Valve Clearance, Cold — Inlet Exhaust Compression Pressure — Minimum Injector Opening Pressure 23,995-24,755 kPa (3480-3590 psi) Engine Low Idle RPM — Engine High Idle RPM 2295-2375 - Engine Rated Speed RPM 2200 - Engine Rated Power at Pto 49 kW (66 hp) Battery — Voltage Ground , SIZES Crankshaft Main Journal Diameter Crankshaft Crankpin Diameter Piston Pin Diameter 38.095- 38.10 mm (1.4998- : 1.500 in.) "111.8 mm (4.4 in.) - 111.8 mm (4.4 in.) 6585 cc (401 cu. in.) - 17.5:1 • 127.0 mm- (5.0 in.) — 7480 cc — (456 cu. in.) 1-5-3-6-2-4- - 0.36-0.46 mm— (0.014-0.018 in.) -0.43-0.53 mm— (0.017-0.021 in.) -2585 kPa- (375 psi) 725-775- -29,165-29,995 kPa (4230-4350 psi) 2195-2275 —2100— 56.5 kW (76 hp) 64 kW (86 hp) 67 kW (90 hp) 71.5 kW (96 hp) 83.5 kW (112 hp) 12- Negative- See Paragraph 53- See Paragraph 52- Valve Seat Angle — Inlet Exhaust Valve Face Angle — Inlet Exhaust Valve Stem Diameter — Inlet Exhaust Cylinder Bore Diameter 41.270- 41.275 mm (1.6248- 1.6250 in.) 38.095- 38.10 mm- (1.4998- 1.500 in.) 41.270- 41.275 mm (1.6248- 1.6250 in.) -30.0-30.5° -45.0-45.5° • 29.25-29.5°- 44.25-44.5°- — 9.426-9.446 mm — (0.3711-0.3719 in.) —9.401-9.421 mm — (0.3701-0.3709 in.) •111.778-111.841 mm (4.4007-4.4032 in.)

CONDENSED SERVICE DATA (Cont.) 5640 6640 7740 7840 8240 8340 CLEARANCES Main Bearing, Diametral Clearance Rod Bearing, Diametral Clearance Camshaft Bearing, Diametral Clearance Crankshaft End Play CAPACITIES Cooling System Crankcase — With Filter Fuel tank Transmission/Hydraulic — 8 x 2 and 16 x 4 540 Pto 540/1000 Pto . 12 X 12 16x16 Front Drive Axle Front Drive Hub (each) TIGHTENING TORQUES Cylinder Head Connecting Rod Main Bearings Intake Manifold Exhaust Manifold Flywheel . . Crankshaft Pulley Oil Pan Camshaft Idler Gear Camshaft Gear Fuel Injectors Water Pump -0.055-0.117 mm - (0.0021-0.0046 in.) -0.035-0.094 mm - (0.0014-0.0037 in.) -0.025-0.076 mm (0.001-0.003 in.) -0.10-0.20 mm— (0.004-0.008 in.) -16L 21.5 L (16.9 U.S. qt.) (22.7 U.S. qt.) 11.4 L- 20.9 L (12.1 U.S. qt.) — 94.6 L Std. — (25.0 U.S. gal.) (22.1 U.S. qt.) - 217.7 L Std. - (57.5 U.S. gal.) 62 L- (65.5 U.S. qt.) 66 L (69.7 U.S. qt.) 56.8 L (15.0 U.S. gal.) 60.6 L- 6.2 L (16.0 U.S. gal.) 8.0 L (6.6 U.S. qt.) 3.0 L (3.2 U.S. qt.) (8.5 U.S. qt.) 2.6 L (2.7 U.S. qt.) 217 N.m (160 ft.-lbs.)- 149N.m(110ft.-lbs.)- 197 N.m (145 ft.-lbs.)- —35 N.m (28 ft.-lbs.) - —38N.m(28ft.-lbs.)- 197N.m(145ft.-lbs.)• 224N.m(165ft.-lbs.)- —38 N.m (28 ft.-lbs.) - 237 N.m (175 ft.-lbs.) — 69N.m(51ft.lbs.) - —23 N.m (17 ft.-lbs.)- —65 N.m (50 ft.-lbs.) - 8

MODELS 5640, 6640, 7740, 7840, 8240 & 8340 Paragraphs 1-3 FRONT AXLE SYSTEM (TWO-WHEEL DRIVE) FRONT AXLE ASSEMBLY AND STEERING LINKAGE Two-Wheel Drive Models 1. WHEELS AND BEARINGS. To remove front wheel hub and bearings, first raise and support the front axle extension, then unbolt and remove the tire and wheel assembly. Remove the cap (1—Fig. 1), cotter pin (3), slotted nut (2), washer (4) and outer bearing cone (5). Slide the hub assembly (6) from spindle axle shaft (10). Remove grease retainer (8) and inner bearing cone (7). Hub is slotted to facilitate removal of bearing cups. Pack wheel bearings liberally with Ford MIC 137- A, M1C75-B or equivalent grease. Reassemble by Fig. 1—Exploded view of front wheei hub used on two wheei drive modeis. Mud shieid (9) is used oniy on 8240 and 8340 modeis. 1. Cap 6. Hub 2. Slotted nut 7. Inner bearing cone 3. Cotter pin 8. Grease retainer 4. Washer 9. Mud shield 5. Outer bearing cone 10. Spindle reversing disassembly procedure. Grease retainer (8) and inner bearing cone (7) should be positioned on spindle, then install wheel hub (6). Tighten slotted nut (2) to a torque of 27-40 N.m (20-30 ft.-lbs.), then rotate hub several turns. Tighten nut (2) to 61-74 N.m (45-50 ft.-lbs.), then back nut ofFless than one flat and install cotter pin (3). Be sure to install cap (1) se- curely. 2. TIE ROD, TOE-OUT AND TREAD ADJUST- MENT. All models are equipped with one tie rod extending between left and right steering arms. The hydrostatic steering cylinder (19—Fig. 2) is attached between the front axle and the center of the tie rod. Left end (18) of tie rod and both ends of steering cylinder are automotive type and should be renewed if wear is excessive. The procedure for removing and installing the ends is self evident. Automotive end of right tie rod is renewable only as an assembly with the right tie rod. All two-wheel drive models are equipped with adjustable tread axle. Tie rod is equipped with locating screws (15) for quick adjustment of tie rod length when changing tread width. To adjust tread width, raise and support front axle. Remove tie rod locating screws (15) and clamp screws (9) from axle extensions (5 and 12), then slide axle extensions in or out of Eixle center member (8). Tighten the track adjusting clamp screws (9) which attach axle extensions inside the axle center section to 400 N.m (300 ft.-lbs.) torque. Tighten tie rod locating screws (15) to 150 N.m (110 ft.-lbs.) torque and locknuts to 75 N.m (55 ft.-lbs.) torque. After resetting axle tread width, check and adjust front wheel toe-out as described below. Recommended front wheel toe-out is 0-13 mm (0- V2 in.) for two-wheel drive models. Tb check toe-out, turn steering wheel so that front wheels are iij straight ahead position. Measure distance (A—Fig. 3) between wheel rims on centerline of axle, parallel to ground. Rotate wheels V2 turn, then measure between wheels at front of wheels in position (B). Di- mension (A) should be 0-13 mm (O-V2 in.) smaller than dimension (B). To adjust toe-out, remove locating bolt (15—Fig. 2) from left end of tie rod tube (16). Loosen clamp bolt in left tie rod end (18). Turn threaded section of tie rod (17) in or out to obtain desired toe-out. Tighten tie rod locating bolt to 150 N.m (110 ft.-lbs) torque and clamp bolt to 75 N.m (55 ft-lbs.) torque. 3. SPINDLES, AXLE EXTENSIONS AND BUSHINGS. To remove spindle (1—Fig. 2), first remove the wheel and hub, then disconnect tie rod end from steering arm (7 or 13). Check threaded end 9

Paragraph 3 (Cont.) FORD IS Fig. 3—On two-wheei drive modeis, front wheeis shouid be toed out 0-13 mm (0-1/2 in.). of spindle and steering arm for alignment marks (M—Fig. 4) before removing steering arm. Note that it may be necessary to use a thread file to clean the threads of spindle since they are deformed during assembly at the factory in order to lock the spindle nut in place. Remove nut retaining steering arm (7 or 13—Fig. 2), then pull steering arm from splines of spindle. Lower spindle (1) from axle extension (5 or 12). Remove thrust bearing (3) and chamfered washer (2) from spindle. Clean and inspect parts for wear or other damage and renew as necessary. When reassembling, lubricate bushings (4) and pack thrust bearing (3) with Ford M1C137-A, Fig. 2—Expioded view of adjustabie axie typicai of two-wheei drive modeis. 1. Spindle 2. Washer 3. Thrust bearing 4. Bushings 5. Left axle extension 6. Felt sealing washer 7. Left steering arm 8. Axle center member 9. Track clamp bolt 10. Bushings 11. Washers 12. Axle right extension 13. Right steering arm 14. Right tie rod 15. Locking screws 16. Tie rod tube 17. Left tie rod 18. Tie rod end 19. Power steering cylinder Fig. 4—Maries (M) are provided on the spindies and the steering arms to assist in correct assembiy. M1C75-B or equivalent grease. Install washer (2) with chamfered edge down toward boss of spindle, then install thrust bearing (3) on spindle so that numbered side of bearing is facing upward. Insert spindle through axle extension. Install new felt washer (6), then locate steering arm on top of spindle. Align marks on threaded end of spindle and steering arm as shown (M—Fig. 4). Tighten steering arm retaining nut to 488-597 N.m (360-440 ft.-lbs.) 10

MODELS 5640, 6640, 7740, 7840, 8240 & 8340 Paragraphs 4-7 torque, then stake threads to prevent loosening. Re- fer to paragraph 2 for tread width and toe-out adjustment. Balance of reassembly is the reverse of disassembly. Tighten the track adjusting clamp screws (9—Fig. 2) which attach axle extensions inside the axle center section to 400 N.m (300 ft.-lbs.) torque. Tighten tie rod locating bolts (15) to 150 N.m (110 ft.-lbs.) torque and locknuts to 75 N.m (55 ft.-lbs.) torque. Tighten left tie rod end clamp bolt to 100 N.m (75 ft.-lbs.) torque after toe-out is correctly set. 4. AXLE CENTER MEMBER, PIVOT PIN AND BUSHINGS. To remove front axle assembly, raise front of tractor in such a way that it will not interfere with the removal of the axle. A hoist may be attached to front support or special stands can be attached to sides. Removal of the axle center member (8—Fig. 2) may be easier if the axle extension and spindle assembly is first removed from each side; however, the complete assembly can be removed as a unit. Remove front wheels and weights, then support the axle with a suitable jack or special safety stand to prevent tipping while permitting the axle to be lowered and moved safely. Disconnect hoses from the steering cylinder and cover openings to prevent the entry of dirt. Unbolt and remove the front axle pivot pin. Lower axle until axle is free from front support, then carefully roll axle away from under tractor. Check axle pivot bushings (10) and renew if necessary. Reverse removal procedure when assembling. Lubricate pivot bushings with Ford M1C137-A, M1C75-B or equivalent grease. Tighten screws retaining the axle pivot pin to 70-90 N.m (52-66 ft.-lbs.) torque, then bend locking tabs around screws to prevent loosening. 5. FRONT SUPPORT. To remove the front support, the axle must be removed, the radiator must be removed from the support and the front support must be unbolted from the front of engine. The front axle, the front support and the remainder of the tractor must each be supported separately while removing, while separated and while assembling. Be sure that sufficient equipment is available before beginning. Refer to paragraph 67 and remove the main fuel tank, then refer to paragraph 87 and remove the radiator. Support front of tractor in such a way that it will not interfere with removal of either the front support or the front axle. Remove axle as outlined in paragraph 4. Attach a hoist or other supporting de- vice to the front support, then unbolt and separate the front support from the front of the engine. Be careful not to lose or damage shims located between front support and engine. Keep shims separate and label for installation in same location. FRONT-WHEEL DRIVE Mechanical front-wheel drive is available which uses a front drive axle manufactured by Carraro. Models 5640, 6640, 7740 and 7840 are equipped with standard type 709 axle; Models 8240 and 8340 are equipped with heavy duty type 709 axle. Some differ- ences in the front-wheel drive systems will be noted in the following service instructions. The transfer gearbox engagement is controlled by an electric solenoid/hydraulic valve which directs oil pressure to move a dog clutch and engage the front wheel drive. The transfer gearbox is attached to the bottom of the rear axle center housing of all models. A drive shaft connects the transfer gearbox to front axle. ADJUSTMENTS All Four-Wheel Drive Models 6. FRONT WHEEL TREAD WIDTH. Front- wheel drive axle is a fixed assembly. However, track width can be adjusted by changing the wheel rim relative to the center disc, the rim and/or disc relative to axle hub or by interchanging the front wheels. The drawings shown in Fig. 5 illustrate different wheel rim and disc positions relative to the hub and the resulting track width settings. NOTE: When interchanging front wheels from side to side, make sure that "V" of tire tread is pointing in the direction of forward travei. Tighten disc to hub mounting nuts to 475 N.m (350 ft.-lbs.) torque and disc to rim mounting nuts to 240 N.m (177 ft.-lbs.) torque. Recheck the disc and riin mounting nut torque after driving the tractor about 200 meters (200 yards), after one hour of operation, after eight hours of operation and at 50 hour inter- vals. After resetting track width, check toe-in setting as outlined in paragraph 7 and steering stop setting as outlined in paragraph 8. 7. TIE RODS AND TOE-IN. Tie rod ends are not adjustable for wear and faulty units must be renewed. To check toe-in, first tum steering wheel so that front wheels are in straight ahead position. Measure distance between front wheels at front and rear of wheels from rim flange to rim flange at hub height. Distance measured at front of wheels should be 0-6 mm (O-V4 in.) less (toed in) than distance measured at rear of wheels. To adjust, loosen clamp 11

Paragraph 8 FORD Disc/Rim Position i i i i i I [ i Track Setting 24 in. 28 in. wheels wheels 55.6 in. (1412 mm) 59.7 in. (1516 mm) 63.6 in. (1615 mm) 67.7 in. (1718 mm) 71.3 in. (1812 mm) 75.4 in. (1916 mm) 79.3 in. (2015 mm) 83.4 in. (2119 mm) 54.7 in. (1389 mm) 58.8 in. (1493 mm) 62.7 in. (1592 mm) 66.8 in. (1696 mm) 71.9 in. (1825 mm) 75.9 in. (1929 mm) 79.9 in. (2028 mm) 83.9 in. (2132 mm) Fig. 5--Front-wheei drive axie track width is adjusted by changing position of wheei rim and disc. Fig, 6—View of toe-in adjustment points for four-wheei- drive modeis. Be sure to adjust both sides equaiiy. Refer to text. Fig, 7—Steering stop screws (S) shouid be adjusted to prevent tires from touching any part of tractor when wheeis are turned. bolt (2—Fig. 6), then turn tie rod (1) in or out of tie rod end (3) as required. Adjust both sides evenly. When adjustment is correct, tighten clamp bolt (2) to 56 N.m (41ft.-lbs.)torque. 8. STEERING STOPS AND ARTICULATION. The front axle is provided with adjustable steering and articulation stops to prevent the front tires from contacting the tractor. Adjusted setting should not change during operation, but different tire sizes or tread and changes in track width may make adjustment necessary. The steering stop screws (S—Fig. 7) should be adjusted to provide a minimum clearance of 20 mm (% in.) between tire and frame. Tighten 12

MODELS 5640, 6640, 7740, 7840, 8240 & 8340 Paragraphs 9-10 Ffg. 8—Articuiation stops (1) can be installed using the center and rear (2) mounting holes as shown or the center and front (3) threaded holes can be used. Refer to text. locknut to 150 N.m (110 ft.-lbs.) torque when adjustment is correct. Articulation stops (1—Fig. 8) should prevent the tires from contacting the tractor when the front axle is tipped against stops. When stop is attached to the rear two screws (2) as shown, the axle should be limited to approximately 8° of movement. When the stop is attached to the center and front hole (3), articulation is limited to about 12° from horizontal. Stops (1) should be positioned at same location on both sides. DRIVE SHAFT All Four-Wheei Drive Models 9. REMOVE AND REINSTALL. Two diflferent drive shafts have been used as shown in Fig. 9, depending upon transmission used. Ib remove drive shaft (5), first unbolt and remove the shield assembly (1). To remove drive shaft shown in the lower view, remove screw (4) and slide couplings (2 and 3) until drive shaft can be withdrawn. Clamps (7) must be removed before front universal joint can be separated from yoke (6) of models with 8 X 2 and 16 x 4 transmissions. When installing drive shaft on models with 12 x 12 and 16 x 16 speed transmissions, grease coupling splines, slide couplings onto drive shaft, position drive shaft, then slide couplings into position and install screws (4). On models with 8 x 2 and 16 x 4 speed transmissions, grease rear coupling splines before installing drive shaft. Tighten clamp bolts of front universal joint to 57 N.m (42 ft.-lbs.) torque. Fig. B—The drive shaft and shieid at top are typicai of models with dx 2and 16x4 transmissions. The drive shaft and shield shown in the lower view are typical of models with transmissions providing 12 x 12 and 16 x 16 speed transmissions. 1. Shield 2. Front splined coupling 6. Yoke 3. Rear splined coupling 7. Clamp 4. Screw 8. Yoke retaining screw 5. Drive shaft 9. Bracket FRONT DRIVE AXLE All Four-Wheel Drive Models 10. R&R ASSEMBLY. First remove the drive shaft and shield as outlined in paragraph 9. If differential unit is to be serviced, it is recommended that the bevel pinion shaft nut be loosened at this time. Pry out pinion shaft oil seal, then loosen nut using special pinion nut wrench FT3168 or equivalent. Remove front weights. Raise front of tractor in such a way that it will not interfere with the removal of the axle. A hoist may be attached to front support or special stands can be attached to sides. Remove front wheels, then support the axle with a suitable jack or special safety stand to prevent tipping while permitting the axle to be lowered and moved safely. Disconnect hoses from the steering cylinder and cover openings to prevent the entry of dirt. Unbolt and remove front and rear pivot brackets (1 and 17—Fig. 10), lower axle until free, then carefully roll axle away. Reinstall front drive axle by reversing the removal procedure. Tighten screws attaching front and rear pivot brackets (1 and 17) to 317-388 N.m (234-286 13

1991-1999 Ford New Holland 5640, 6640, 7740, 7840, 8240, 8340 Tractors OEM Service & Repair Manual

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