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Fiat Hitachi Crawler Dozer D80 Service Manual – PDF DOWNLOAD
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Description
Fiat Hitachi Crawler Dozer D80 Service Manual – PDF DOWNLOAD
FILE DETAILS:
Fiat Hitachi Crawler Dozer D80 Service Manual – PDF DOWNLOAD
Language : English
Pages : 250
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Fiat Hitachi Crawler Dozer D80 Service Manual – PDF DOWNLOAD
SAFETY RULES
– Do not allow unauthorised personnel to operate service or maintain this machine.
– Do not wear rings, wrist watches, jewellery, loose or hanging apparels, such as ties, torn clothing, scarves, unbuttoned or unzipped jackets that can catch on moving parts. Wear proper safety equipment as recommended for the job. Examples: hard hat, heavy gloves, ear protection, safety glasses or goggles, reflector vests, respirator. Consult your employer for specific safety equipment requirements.
– Keep operator’s compartment, stepping points, grabrails and handles clear of foreign objects, oil, grease, mud or snow accumulation to minimize the danger of slipping or stumbling. Clean mud or grease from shoes before attempting to mount or operate the machine.
– Do not jump on or off the machine. Keep two hands and one foot, or two feet and one hand in contact with step grab rails and handles at all times.
– Do not use controls or hoses as hand holds when climbing on or off machine. Hoses and controls are movable and do not provide a solid support. Controls also may be inadvertently moved causing accidental machine or equipment movement
. – Never attempt to operate the machine or its tools from any position other than seated in the operator’s seat. – Keep head, body, limbs, hands and feet inside operator’s compartment at all times to reduce exposure to hazards outside the operator’s compartment
. – Be careful of slippery conditions on stepping points, hand rails, and on the ground. Wear safety boots or shoes that have a high slip resistant sole material
. – Do not leave the machine until it is completely stopped.
– Check the seat safety belt at least twice a year. If there are signs of wear or fraying or other signs of weakness that could lead to failure, replace it.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Fiat Hitachi Crawler Dozer D80 Service Manual – PDF DOWNLOAD
Principal............................................................ 1 Summary.............................................................. 4 Section 0: Generalities.............................................. 5 Safety rules..................................................... 6 Technical data tables............................................ 14 General instructions............................................. 25 Diagnostic checks................................................ 30 Measure units.................................................... 31 Classification of standard parts................................. 31 Tightening torques............................................... 31 Section 1: Engine.................................................... 33 Section 2: Transmission.............................................. 34 2.1 General description.......................................... 35 2.1.1 Adjusting the travelling speed......................... 35 2.1.2 Up shifting............................................ 35 2.1.3 Choosing the travelling direction...................... 35 2.1.4 Forward and backward travelling........................ 35 2.1.5 Steering............................................... 35 2.1.6 Reversing.............................................. 35 2.1.7 Working brake.......................................... 36 2.1.8 Parking brake.......................................... 36 2.2 Installation................................................. 39 2.3 Troubleshooting.............................................. 43 2.4 Hydraulic motor.............................................. 45 2.4.1 Disassembly............................................ 45 2.4.2 Reassembly............................................. 46 2.4.3 Disassembly............................................ 47 2.4.4 Hydraulic two-position control......................... 48 2.5 Travelling hydraulic pump.................................... 73 2.5.1 General description.................................... 73 2.5.2 Disassembly/Reassembly................................. 76 2.5.3 Tightening torques..................................... 97 2.5.4 Safety rules........................................... 98 2.5.5 Adjustment instructions................................ 99 2.6 Travelling charging gear pump................................103 2.6.1 Uncoupling.............................................103 2.6.2 Pump overhaul..........................................104 2.6.3 Reassembly.............................................105 2.6.4 Flow testing...........................................105 2.7 Left control travelling joystick.............................106 2.7.1 General description....................................106 2.7.2 Technical data.........................................107 2.7.3 Disassembly/Reassembly.................................108 2.8 Proportional pressure reduction valve........................109 2.8.1 General description....................................109 2.9 Max pressure valve...........................................110 2.9.1 Function description, section..........................110 2.10 Pump coupler................................................111 2.10.1 General information...................................111 2.10.2 Installation..........................................111 2.10.3 Maintenance...........................................111 2.11 Transmission oil filter.....................................113 2.11.1 Technical data........................................113 2.11.2 Changing the hydraulic oil filters....................114 2.12 Speed change solenoid valve.................................115 2.12.1 Technical data........................................115 2.12.2 Reversing solenoid valve..............................117 2.13 Hydraulic plant.............................................119 Section 3: Final drives and sprocket.................................122 3.1 Description..................................................123 3.2 Disassembly..................................................124 3.3 Inspection of sprockets......................................126 3.4 Gearbox disassembly..........................................127 3.4.1 Description of the components..........................128 3.4.2 Brake check............................................155 3.4.3 Installation of the gearbox to the machine.............157 3.4.4 Connection of the brake pipe...........................158 3.4.5 Gearbox lubrication....................................158 3.4.6 Oil filling............................................158 3.4.7 Start up...............................................158 3.4.8 Maintenance............................................159 3.4.9 Oil replacement and routine checks.....................159 3.5 Hydraulic motor..............................................164 3.5.1 Longitudinal section...................................164 3.5.2 Disassembly............................................165 3.5.3 Reassembly.............................................166 3.6 Features and data............................................167 Section 4: Undercarriage.............................................169 4.1 General description..........................................170 4.2 Troubleshooting of major malfunctions........................171 4.3 Track chains.................................................172 4.3.1 Disassembly............................................172 4.3.2 Inspection of undercarriage components.................174 4.3.3 Replacement of a damaged link..........................174 4.4 Track adjustment mechanism...................................175 4.4.1 Disassembly............................................175 4.4.2 Inspection and adjustment of track chain tension.......177 4.5 Track idler wheels...........................................179 4.5.1 Removal................................................179 4.5.2 Overhaul...............................................179 4.5.3 Reassembly.............................................180 4.6 Track bottom rollers.........................................182 4.6.1 Removal................................................182 4.6.2 Disassembly of bottom rollers with one or two edges....182 4.6.3 Reassembly.............................................183 4.7 Track carrier rollers........................................185 4.7.1 Disassembly............................................185 4.7.2 Reassembly.............................................185 4.8 Lubrication of rollers and track idler wheels................187 4.9 Specifications and data......................................189 Section 5: Hydraulic system for bulldozer equipment..................192 5.1 Description and operating of hydraulic system................193 5.2 Exhaust system...............................................194 5.3 Lifting cylinder system......................................195 5.4 Angle cylinder system........................................196 5.5 Tilt cylinder system.........................................197 5.6 Distributor..................................................198 5.7 Pump.........................................................200 5.7.1 Disassembly............................................200 5.7.2 Pump overhaul..........................................201 5.7.3 Reassembly.............................................202 5.7.4 Flow testing...........................................202 5.8 Equipment oil filter.........................................203 5.8.1 Technical data.........................................203 5.8.2 Changing the hydraulic oil filters.....................204 5.9 Hydraulic oil tank and oil filters...........................205 5.9.1 Removal of the tanks: hydraulic oil tank, fuel tank....206 5.10 Servocontrol system.........................................207 5.11 Solenoid valves.............................................209 5.11.1 Power operation solenoid valve........................209 5.11.2 Inclination blade solenoid valve......................211 5.11.3 Floating blade solenoid valve.........................213 5.12 C-frame, blade and cylinders................................215 5.12.1 C-frame...............................................215 5.12.2 Control cylinders for blade raising-lowering..........217 5.12.3 Floating function.....................................217 5.12.4 Blade angle cylinders.................................219 5.12.5 Blade tilt control cylinder...........................221 5.13 Right control travelling joystick...........................223 5.13.1 General description...................................223 5.13.2 Disassembly/Reassembly................................225 5.14 Hydraulic diagram...........................................227 Section 6: Electrical system.........................................229 6.1 Safety rules.................................................230 6.2 Main parts location..........................................231 6.3 Electrical system diagram....................................232 6.4 Fuses........................................................234 6.4.1 Fuse sheet.............................................234 6.5 Microprocessor MC7...........................................235 6.6 Control panel BB3............................................238 6.7 Rotation angle sensor with no contact........................240 6.8 Engine revolution sensor.....................................244 6.9 Setting adjustment...........................................245 6.9.1 Entering procedure.....................................245 6.9.2 F1 parameter...........................................245 6.9.3 Proc. Prozessgr........................................247 6.9.4 Storing teach..........................................248 6.9.5 Troubleshooting F2.....................................248 6.9.6 Setting instructions...................................249
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