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Long 360 Series User Manual

Long 360 Series
210 pages
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SERVICE
MANUAL
360
.•
460 510
SERIES
TRACTORS
LONG
MFG.
N.C.
INC.
P.O.
Box
1139,
111
Fairview
St., Tarboro,
N.C.
27886
Tel. (919) 823-4151, Telex #510-929-o695
Form
756006
Rev.
8183

Table of Contents

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Long 360 Series Specifications

General IconGeneral
Engine Power36 hp
Number of Cylinders3
Fuel TypeDiesel
Hydraulic SystemOpen center
Transmission8 forward and 2 reverse gears

Summary

SAFETY PRECAUTIONS

AVOID ACCIDENTS

General advice on preventing accidents by recognizing causes and taking precautions.

WARNING

Emphasizes using proper tools and reading manual before service or repair.

A. ENGINE

A.O. SPECIFICATIONS·REMOVAL·INSTALLATION

Details specifications, removal, and installation procedures for the engine.

A.l CRANKCASE-CYLINDER HEAD-OIL SUMP

Details inspection, cleaning, and re-boring/replacement procedures for crankcase components.

A.ll VALVES AND TIMING MECHANISM

Covers valve actuation, timing data, and camshaft removal.

A.lll CRANK GEAR ASSEMBLY

Details crankshaft construction, removal, and inspection of journals and bearings.

A.IV. FUEL SYSTEM

Explains air supply, air cleaner maintenance, and fuel supply system components.

A.V LUBRICATION

Details engine lubrication system, including oil pump, filter, and schedule.

A.VI COOLING

Describes the cooling system, including water pump, radiator, and thermostat.

A.VIII FITS & TOLERANCES- TORQUE SPECIFICATIONS

Provides dimensional fits and tolerances for engine components of the 360/460 and 510 models.

TORQUE SPECIFICATIONS

I. Data • Removal • Installation

Specifies torque values for general data, removal, and installation of components.

II. Crankcase • Cylinder Head

Lists torque specifications for crankcase and cylinder head components.

FUEL INJECTION

Lists torque specifications for fuel injection system components, including pump and injector connections.

V. Lubrication System

Specifies torque values for oil pump and pressure regulation components.

VI. Cooling

Lists torque specifications for water pump and fan mounting screws.

B. POWER TRAIN

B.O. DESCRIPTION • SPECIFICATIONS • LUBRICATION

General overview of the power train, specifications, and lubrication for 360, 460, and 510 tractors.

B.I CLUTCH

Details the 10" clutch system, including its description and operation.

10" CLUTCH REMOVAL

Steps for removing the clutch unit from the engine flywheel after splitting the tractor.

10" CLUTCH DISASSEMBLY

Instructions for disassembling the 10" clutch unit, emphasizing marking parts for reassembly.

10" CLUTCH ADJUSTMENTS

Details adjustments for P.T.O. clutch release levers and transmission clutch play.

B.II TRANSMISSION

Covers the 6-speed transmission, including its description, operation, and removal.

DISMANTLING THE 6·SPEED TRANSMISSION

Provides steps for dismantling the 6-speed transmission unit, recommending an engine stand.

B.lll BEVEL GEAR AND DIFFERENTIAL

Covers rear bevel gear housing removal and dismantling the bevel gear and differential.

BEVEL GEAR SETTING

Explains adjusting bevel gear pinion shaft bearings and finding shim thickness.

B.IV BRAKES

Explains the dry contracting band brakes, their operation, and disassembly.

ADJUSTMENT

Details how to adjust brake pedal free travel to achieve simultaneous and equal braking force.

B.V INDEPENDENT HAND BRAKE

Details the independent hand brake system, including its parts, removal, and assembly.

INDEPENDENT HAND BRAKE ADJUSTMENT

Explains how to adjust the independent hand brake for proper operation and release.

B.VI FINAL DRIVES AND REAR WHEELS

Covers the final drive units, including their description, removal, and track adjustment.

DISASSEMBLY

Step-by-step instructions for dismantling the final drive unit, including brake drum and bull gear removal.

ASSEMBLY

Instructions for assembling the final drive unit, including pinion shaft, axle shaft, and seals.

FRONT WHEEL TOE-OUT

Details the proper toe-out specification and adjustment for DT tractors.

B.VII POWER TAKE-OFF

Explains the PTO system, its operation (independent and synchronized), and overhaul procedures.

B.VIII FRONT AXLE AND STEERING

Covers the front axle and steering controls, including steering box removal and adjustment.

STEERING BOX ADJUSTMENTS

Details adjusting worm screw taper roller bearings and worm-and-nut setting.

OVERHAUL

Procedures for servicing the front axle trunnion assembly, including wheel removal and disassembly.

FRONT AXLE CHECKS

Covers checking front wheel setting and steering, including alignment procedures.

B.IX FRONT DRIVE AXLE (SIDE DRIVEN)

Details the four-wheel-drive version, including axle removal and planetary drive disassembly.

PLANETARY DRIVE REASSEMBLY

Guides for reassembling the planetary drive components, including knuckle, spindle, and bearings.

AXLE REMOVAL

Steps for removing the front axle, including draining lubricant and disconnecting components.

DIFFERENTIAL DISASSEMBLY

Steps for disassembling the differential, including removing pinion support, bearings, and ring gear.

DIFFERENTIAL REASSEMBLY

Details reassembling the differential support, pinion, and bearings according to specifications.

CHECKING BACKLASH OF PINION AND RING GEAR

Explains how to check and adjust backlash between the pinion and ring gear using a dial indicator.

INSTALLATION

Guides for installing the differential support, axle housing, and pivot pin.

B.X FRONT DRIVE AXLE (CENTER DRIVEN)

Covers the center-driven front axle, including its description, removal, and disassembly.

REASSEMBLY

Instructions for reassembling the reduction gearbox, including bearings, seals, and shaft installation.

B.XI DATA, FITS, WEAR LIMITS, TORQUE SPECIFICATIONS

Provides data, fits, wear limits, and torque specs for various power train components.

I. Clutch - 10"

Lists fits and tolerances for the 10" clutch, including backlash and disc thickness.

II. Clutch • 11"

Provides fits and tolerances for the 11" clutch, including spline backlash and disc thickness.

X. Front Drive Axle (Side Driven)

Lists fits and tolerances for the side-driven front axle, including backlash and shaft diameters.

X. Front Drive Axle (Side Driven) (Cont'd.)

Continues torque values for side-driven front axle components, including self-locking nuts and screws.

XI. Reduction Gearbox (Side Drive)

Specifies torque values for side-drive reduction gearbox and U-joint screws.

XII. Front Drive Axle (Center Drive)

Provides torque values for center-drive front axle components and differential holder.

C. HYDRAULICS

C.O. Hydraulic Lift & Linkage

Covers the hydraulic lift unit, its components, operation modes, and adjustments.

POSITION CONTROL

Describes the position control operation of the hydraulic lift, allowing implement placement at any height.

FLOATING POSITION

Explains the floating position for implements resting on wheels or skids, allowing ground contour following.

DRAFT CONTROL

Details draft control operation, automatically varying implement depth based on soil resistance.

CHECKING THE PRESSURE RELIEF AND SAFETY VALVES CALIBRATION AND THE DRAIN VALVE TIGHTNESS

Procedures for testing pressure relief, safety, and drain valves using a nozzle tester.

REMOTE HYDRAULIC SYSTEM

Explains the remote hydraulic system for auxiliary attachments and its disconnection.

C.l POWER STEERING (POWER ASSISTED)

Details the power steering system, including its operation and cylinder disassembly.

CYLINDER DISASSEMBLY (UTB)

Procedures for disassembling the UTB cylinder, including front end and minor pressure end.

DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE GROUP

Instructions for disassembling and reassembling the control valve group.

C.ll HYDROSTATIC STEERING

Introduces the hydrostatic steering system, its components, and specifications.

SERVICING THE HYDROSTATIC STEERING SYSTEM

Covers servicing the hydrostatic steering system, including reservoir and steering unit procedures.

STEERING UNIT

States that the steering unit must be replaced if damaged or malfunctioning.

D. ELECTRICAL SYSTEM

GENERAL

Introduces the electrical system components and their functions.

BATTERY CHARGING PLANT

Details the battery charging system, including alternator, regulator, and warning light relay.

VOLTAGE REGULATOR

Explains the function of the voltage regulator and when to replace it.

BATTERY CHARGE WARNING LIGHT RELAY

Describes the warning light relay's role in indicating charging system failure.

STARTER

Covers starter characteristics, testing, troubleshooting, and disassembly procedures.

INSTRUMENT PANEL

Identifies components on the instrument panel, such as oil pressure light and fuel gauge.

FUSE PANEL

Lists the controls and circuits protected by the fuse panel.

D.I BATTERY CHARGING EQUIPMENT

Details the battery charging equipment, including alternator, regulator, and warning light relay.

RECTIFYING DIODES

Explains the purpose of diodes in converting AC to DC for battery charging.

INSTRUCTIONS FOR CHECKING DIODES

Guides for checking diode efficiency using a test lamp or ohmmeter.

SERVICE INSTRUCTIONS

Advises against repairing alternator components, recommending replacement instead.

RECTIFIER DIODE REPLACEMENT

Explains how to replace damaged diodes in aluminum holders.

ALTERNATOR DISASSEMBLY

Provides steps for dismantling the alternator, including removing pulley, fan, and brush-holder assembly.

REPLACING THE BRUSHES

Instructions for cleaning parts, installing new brushes, and tightening retaining nuts.

INSTALLATION ON THE TRACTOR

Guides for installing the alternator on the tractor, including belt alignment and electrical connections.

OPERATION INSTRUCTIONS

Lists common problems and precautions during alternator and voltage regulator operation.

MAINTENANCE INSTRUCTIONS

Provides periodic maintenance checks for electrical system components like contacts and belt tension.

TROUBLE SHOOTING THE BATTERY CHARG-ING SYSTEM ON THE TRACTOR

Provides a guide to troubleshoot common problems in the battery charging system.

TROUBLE SHOOTING GUIDE IN CASE OF IR-REGULAR WARNING LIGHT OPERATION

A guide to troubleshoot irregular operation of the warning light, listing causes and remedies.

D.II STARTER

Covers starter characteristics, testing, troubleshooting, and disassembly procedures.

TROUBLE-SHOOTING INSTRUCTIONS

Lists common starter troubles, their causes, and remedies.

STARTER DISMANTLING

Details the sequence for dismantling the starter motor assembly.

BEARINGS

Guides for cleaning, checking, and replacing bearings, including checking for radial play.

ARMATURE

Covers mechanical checks (out-of-round) and electrical testing (insulation, shorts) of the armature.

INDUCTION FIELDS

Explains testing induction fields for insulation to ground and checking coil continuity.

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