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Fiat Hitachi FD30C CRAWLER DOZER Service Manual – PDF DOWNLOAD
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Fiat Hitachi FD30C CRAWLER DOZER Service Manual – PDF DOWNLOAD
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Description
Fiat Hitachi FD30C CRAWLER DOZER Service Manual – PDF DOWNLOAD
FILE DETAILS:
Fiat Hitachi FD30C CRAWLER DOZER Service Manual – PDF DOWNLOAD
Language : English
Pages : 322
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Fiat Hitachi FD30C CRAWLER DOZER Service Manual – PDF DOWNLOAD
SAFETY RULES
GENERALITIES
– Before operating or performing any intervention on the machine:
– read carefully all the rules contained by this Manual;
– read and obey all safety related plates and instructions located on the machine. – Do not allow unauthorized 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, unbottoned 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 handless at all times
. – Do not use controls or hoses as hand holds when climbing on or machine. Hoses and controls are movable and do not provide a solid support. Controls also may be advertently 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 FD30C CRAWLER DOZER Service Manual – PDF DOWNLOAD
Principal............................................................................................. 1 Summary............................................................................................... 4 Section 1: Technical data and generalities............................................................ 14 1.1 Technical data................................................................................ 15 1.1.1 Engine.................................................................................. 17 1.1.2 Power train............................................................................. 17 1.1.3 Steering clutches/brakes................................................................ 18 1.1.4 Undercarriage........................................................................... 18 1.1.5 Frame................................................................................... 19 1.1.6 Hydraulic system........................................................................ 19 1.1.7 Angle dozer equipment................................................................... 19 1.1.8 Ripper.................................................................................. 19 1.1.9 Electrical system....................................................................... 20 1.1.10 Note for spares........................................................................ 20 1.1.11 Coolant and lubrificants............................................................... 21 1.2 Generalities.................................................................................. 22 1.2.1 Diagnostic checks....................................................................... 27 1.2.2 Troubleshooting transmission pressure................................................... 27 Section 2: Cab........................................................................................ 31 2.1 Generalities.................................................................................. 32 2.2Tilting cab.................................................................................... 33 Section 3: Engine..................................................................................... 36 3.1 Engine related components..................................................................... 37 3.2 Engine removal................................................................................ 38 3.3 Engine installation........................................................................... 38 3.4 Fan and its drive............................................................................. 38 3.4.1 Fan drive disassembly................................................................... 38 3.4.2 Fan drive assembly...................................................................... 38 3.5 Throttle control lever and accelerator control pedal.......................................... 41 3.5.1 Accelerator control linkage adjustments................................................. 41 3.6 Engine performance data....................................................................... 42 3.7 Fume emission from the exhaust................................................................ 43 3.8 Power curve of engine mod. 8285.22.014........................................................ 44 3.9 Calibration data.............................................................................. 45 Section 4: Transmission............................................................................... 47 4.1 General description........................................................................... 49 4.1.1 B.A.S. Operation........................................................................ 53 4.1.2 Power shift hand lever operation........................................................ 59 4.2 Hydraulic torque converter.................................................................... 60 4.2.1 Converter removal....................................................................... 60 4.2.2 Converter disassembly and assembly on bench............................................. 62 4.2.3 Converter installation.................................................................. 67 4.2.4 Converter Relief valve.................................................................. 67 4.3 Gearbox....................................................................................... 69 4.3.1 Removal of transmission group........................................................... 69 4.3.2 Disassembly transmission................................................................ 72 4.3.3 Clutch disassembly...................................................................... 78 4.3.4 Reassembly transmission................................................................. 84 4.3.5 Pressure control valve transmission lubrication oil..................................... 88 4.3.6 Exhaust valves.......................................................................... 88 4.3.7 Refitting transmission.................................................................. 89 4.4 Transmission control valve.................................................................... 89 4.4.1 Removal and disassembly................................................................. 89 4.4.2 Disassembled components check........................................................... 91 4.4.3 Control valve assembly.................................................................. 91 4.4.4 Control valve hydraulic test on bench................................................... 95 4.5 B rake aided system (B.A.S.) unit............................................................. 96 4.5.1 B.A.S. Disassembly...................................................................... 96 4.5.2 Cleaning, inspection and reassembly of components....................................... 98 4.6 Transmission control..........................................................................100 4.6.1 Disassembly control lever...............................................................100 4.6.2 Disassembly of pilot valve..............................................................101 4.6.3 Assembly of the pilot valve.............................................................101 4.6.4 Reassembly of the gear shifting pilot valve group.......................................101 4.6.5 Safety valve............................................................................104 4.6.6 Valve disassembly, inspection and assembly..............................................104 4.7 Hydraulic system pump: converter, converter/transmission, oil scavenge........................105 4.7.1 Servicing...............................................................................105 4.7.2 Charging pump flow rate test............................................................105 4.8 Converter/transmission oil....................................................................107 4.9 Heat exchanger transmission oil...............................................................108 4.9.1 Cleaning and checking the heat exchanger................................................108 4.10 Drive shaft converter/transmission...........................................................109 4.10.1 Dismantling and revision...............................................................109 4.10.2 Reassembly.............................................................................109 4.11 Trouble shooting.............................................................................110 4.11.1 Trouble, causes and remedies...........................................................110 4.11.2 Testing the converter/transmission unit on the machine.................................115 4.11.3 Gear selection with converter in stall test............................................115 4.11.4 Checking the transmission converter pressure...........................................115 4.11.5 Checking the transmission/clutch pressure..............................................115 4.11.6 Lubrification oil pressure check.......................................................115 4.11.7 Conv erter oil pressure check..........................................................115 4.11.8 Transmission feed pressure check.......................................................115 4.12 Specifications and data......................................................................117 4.13 Torque data..................................................................................121 4.14 Specific service tooling.....................................................................122 Section 5: Steering clutches and brakes...............................................................123 5.1 Steering clutches/brakes, hydraulic system operation..........................................124 5.2 Steering clutches/brakes hydraulic pump.......................................................126 5.2.1 Disassembly of the pump.................................................................126 5.2.2 Inspection of components................................................................126 5.2.3 Assembly of pump........................................................................126 5.3 Steering clutches/brakes hydraulic system.....................................................127 5.4 Steering clutches/brakes control valve........................................................128 5.4.1 Disassembly.............................................................................128 5.4.2 Inspection..............................................................................130 5.4.3 Assembly................................................................................131 5.4.4 Valve adjustment and performance requirements...........................................131 5.5 Brake valve...................................................................................132 5.5.1 Disassembly.............................................................................132 5.5.2 Inspection and assembly.................................................................133 5.6 Brake cylinder................................................................................133 5.6.1 Inspection..............................................................................133 5.6.2 Cylinder assembly.......................................................................133 5.6.3 Hydraulic test..........................................................................134 5.7 Steering clutches.............................................................................134 5.7.1 Removal.................................................................................134 5.7.2 Clutch disassembly......................................................................137 5.7.3 Inspection..............................................................................138 5.7.4 Clutch assembly.........................................................................139 5.8 Brakes........................................................................................140 5.8.1 Inspection..............................................................................142 5.8.2 Assembly................................................................................142 5.8.3 Control lever linkage adjustment........................................................144 5.9 Brake band adjustment.........................................................................144 5.10 Brake control rod linkage adjustment.........................................................144 5.11 Steering and brakes control..................................................................144 5.12 Trouble shooting.............................................................................147 5.13 Steering-brakes hydraulic system pressure tests..............................................148 5.14 Specifications and data......................................................................150 5.15 Torque data..................................................................................152 5.16 Specific service tooling.....................................................................152 Section 6: Bevel gear.................................................................................153 6.1 Bevel gear removal............................................................................154 6.1.1 Ring gear disassembly...................................................................154 6.1.2 Pinion..................................................................................157 6.2 Bevel gear set adjustments....................................................................158 6.2.1 Bevel ring gear bearings adjustment and associated shim pack thickness determination....158 6.2.2 Bevel pinion correct location check and associated pack thickness determination.........160 6.2.3 Pinion-to-ring gear backlash checks.....................................................162 6.3 Bevel gear set installation...................................................................163 6.4 Specifications and data.......................................................................165 6.5 Torque data...................................................................................165 6.6 Specific service tooling......................................................................166 Section 7: Side final drives..........................................................................167 7.1 Side final drives.............................................................................168 7.2 Removal and disassembly.......................................................................169 7.3 Inspection....................................................................................175 7.4 Assembly and installation.....................................................................176 7.5 Trouble shooting..............................................................................183 7.6 Specification and data........................................................................184 7.7 Torque data...................................................................................185 7.8 Specific service tooling......................................................................186 Section 8: Hydraulic circuit..........................................................................187 8.1 General description - hydraulic system........................................................189 8.2 Oil tank......................................................................................200 8.2.1 Return line oil filters.................................................................200 8.2.2 Segregator filter on suction intake.....................................................200 8.3 Hydraulic pump................................................................................202 8.3.1 Removal.................................................................................202 8.3.2 Disassembly.............................................................................202 8.3.3 Inspection..............................................................................202 8.3.4 Assembly................................................................................202 8.3.5 Attachment pump delivery rate checks....................................................204 8.3.6 Servocontrol pump delivery rate checks..................................................205 8.4 Hydraulic system main control valve...........................................................206 8.4.1 Removal of hydraulic system control valve...............................................206 8.4.2 Disassembly and overhaul of the hydraulic control valve.................................208 8.4.2.1 Disassembly of tilt flow reduction valve..........................................210 8.4.2.2 Disassembly of arm and float spool................................................210 8.4.2.3 Disassembly of low pressure relief valve (L.P.R.V) and check valves...............211 8.4.2.4 Disassembly of safety and anti cavitation valve...................................211 8.4.2.5 Check valve.......................................................................212 8.4.2.6 Reassembly of valve...............................................................212 8.4.3 Reassembly of control valve.............................................................212 8.4.4 Hydraulic test of control valve on bench................................................215 8.5 Blade control.................................................................................218 8.5.1 Control valve linkage...................................................................219 8.5.2 Safety diverter.........................................................................220 8.5.3 Pilot valve and hydraulic accumulator...................................................221 8.5.3.1 Test of the pre-load of the feeding valve accumulator.............................222 8.5.3.2 Instruction for the resetting of accumulator precharge............................223 8.5.4 Blade raise cylinders...................................................................224 8.5.4.1 Disassembly.......................................................................224 8.5.5 Blade tilt cylinder.....................................................................224 8.5.5.1 Inspection........................................................................224 8.5.5.2 Reassembly of cylinder............................................................227 8.5.6 C-Frame and molboard (Model HA) - disassembly...........................................227 8.5.6.1 HA C-Frame and molboard installation..............................................228 8.5.7 Push beams for HU and HA molboard - disassembly.........................................229 8.5.7.1 Installation of push beam.........................................................229 8.6 Ripper control................................................................................231 8.6.1 Ripper control manipulator..............................................................232 8.6.2 Diverter valve..........................................................................233 8.6.3 Pitch control solenoid..................................................................233 8.6.4 Hydraulically variable pitch ripper.....................................................234 8.6.4.1 Remov al..........................................................................234 8.7 Trouble shooting..............................................................................235 8.8 Specifications and data.......................................................................237 8.9 Torque data...................................................................................239 8.10 Specific service tooling.....................................................................240 Section 9: Udercarriage...............................................................................241 9.1 Tracks........................................................................................242 9.1.1 Track removal and installation..........................................................243 9.1.2 Inspection..............................................................................245 9.1.3 Track adjustment........................................................................246 9.2 Tracks release................................................................................246 9.2.1 Removal and servicing...................................................................246 9.2.2 Installation............................................................................249 9.3 Track idler wheels............................................................................250 9.3.1 Removal.................................................................................250 9.3.2 Disassembly.............................................................................250 9.3.3 Inspection..............................................................................251 9.3.4 Assembly................................................................................251 9.3.5 Installation and adjustment.............................................................252 9.4 Track rollers.................................................................................254 9.4.1 Removal.................................................................................254 9.4.2 Disassembly.............................................................................255 9.4.3 Inspection..............................................................................256 9.4.4 Assembly................................................................................257 9.5 Carrier rollers...............................................................................258 9.5.1 Removal.................................................................................258 9.5.2 Disassembly.............................................................................258 9.5.3 Inspection..............................................................................259 9.5.4 Assembly................................................................................259 9.6 Specifications and data.......................................................................261 9.7 Torque data...................................................................................263 Section 10: Electrical system.........................................................................264 Safety rules......................................................................................265 10.1 Specifications and data......................................................................266 10.2 Control panels...............................................................................269 10.2.1 Instrument panel.......................................................................269 10.2.2 Control module E.D.M...................................................................295 10.2.3 Side dashboard.........................................................................318
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