Hitachi LX300-7 LX450-7 Wheel Loader Workshop + Operator’s + Technical + Performance Check Manual – PDF Download

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Hitachi LX300-7 LX450-7 Wheel Loader Workshop + Operator’s + Technical + Performance Check Manual

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Hitachi LX300-7 LX450-7 Wheel Loader Workshop + Operator’s + Technical + Performance Check Manual

This Listing includes all of the manuals mentioned below:

1. Hitachi LX300-7 LX450-7 Wheel Loader Workshop Manual (1).pdf
2. Hitachi LX300-7 LX450-7 Wheel Loader Workshop Manual (2).pdf
3. Hitachi LX300-7 LX450-7 Wheel Loader Workshop Manual (3).pdf
4. Hitachi LX450-7 Wheel Loader Operator’s Manual.pdf
5. Hitachi LX450-7 Wheel Loader Technical Manual.PDF
6. Hitachi LX300-7 LX450-7 Wheel Loader Workshop Manual

HITACHI LX300-7 LX450-7 WHEEL LOADER WORKSHOP + OPERATOR’S + TECHNICAL + PERFORMANCE CHECK MANUAL – PDF DOWNLOAD:

SCREENSHOTS OF THE MANUAL:

DESCRIPTION:

Hitachi LX300-7 LX450-7 Wheel Loader Workshop + Operator’s + Technical + Performance Check Manual

• This Operator’s Manual was written to provide the owner/operator with information about the safe operation and maintenance of the Hitachi wheel loader. Read this manual thoroughly and become completely familiar with the loader before using it. If you have any questions, see your dealer.
• Due to improvements in design. it is possible that the description contained herein may not completely apply to the loader delivered to you. Before operating the loader. be sure to read all of the decals on the machine which give advice about safe care and operation of the loader.
• Damaged or missing decals should be replaced with new ones. This Operator‘s Manual must be kept with the loader.
• Safe operation means the operator must be qualified. A qualified operator must have training and possess any required licenses to operate this machine. if the loader is to be leased. loaned or sold to anyone. this manual must be with the machine. 00 not try to modify your loader.
• Any failure or accident occurs due to modification of the loader. without prior written consent by Hitachi Construction Machinery Co., Ltd.. you might void your warranty. This Operator’s Manual uses the following safety alert symbols. When you see those symbols in the text. follow the safety message to avoid personal injury or death.

TABLE OF CONTENTS:

Hitachi LX300-7 LX450-7 Wheel Loader Workshop Manual

GENERAL CONTENTS
0. POWER
1. TRAIN BRAKE
2.SYSTEM STEERING
3.SYSTEM HYDRAULIC
4.SYSTEM ELECTRIC
5.UNIT

Hitachi LX300-7 LX450-7 Wheel Loader Technical Manual

TABLE OF CONTENTS
0. SPECIFICATIONS …………………………………………………………………………………………………….. 1
0.1 OUTER VIEWS ……………………………………………………………………………………………………………. 1
0.2 SPECIFICATIONS………………………………………………………………………………………………………… 2
1. ENGINE AND RELATED COMPONENTS………………………………………………………….. 5
1.1 ENGINE ………………………………………………………………………………………………………………………. 5
1.2 LUBRICATING SYSTEM……………………………………………………………………………………………… 10
1.3 COOLING SYSTEM …………………………………………………………………………………………………….. 11
1.4 FUEL SYSTEM ……………………………………………………………………………………………………………. 14
1.5 INTAKE AND EXHAUST SYSTEM ……………………………………………………………………………… 16
1.6 ELECTRICAL SYSTEM……………………………………………………………………………………………….. 20
1.7 ENGINE CONTROL UNIT……………………………………………………………………………………………. 22
2. POWER TRAIN………………………………………………………………………………………………………….. 25
2.1 TORQUE CONVERTER ……………………………………………………………………………………………….. 26
2.1.1 TORQUE CONVERTER …………………………………………………………………………………………… 26
2.1.2 CHARGING PUMP ………………………………………………………………………………………………….. 30
2.2 TRANSMISSION …………………………………………………………………………………………………………. 31
2.2.1 TRANSMISSION……………………………………………………………………………………………………… 31
2.2.2 TRANSMISSION VALVE …………………………………………………………………………………………. 41
2.2.3 TRANSFER……………………………………………………………………………………………………………… 61
2.2.4 TRANSMISSION CONTROL ……………………………………………………………………………………. 62
2.2.5 ATC (AUTOMATIC TRANSMISSION CONTROLLER) ……………………………………………… 67
2.3 TRANSMISSION OIL CIRCULATION ROUTE ……………………………………………………………… 70
2.4 PROPELLER SHAFTS………………………………………………………………………………………………….. 73
2.5 DRIVE AXLES (FRONT AND REAR) …………………………………………………………………………… 74
2.5.1 DRIVE AXLE ………………………………………………………………………………………………………….. 74
2.5.2 DIFFERENTIAL ………………………………………………………………………………………………………. 79
2.5.3 FINAL REDUCTION GEAR AND BRAKE UNIT ………………………………………………………. 82
2.6 WHEEL ASSEMBLY (TIRE AND WHEEL) …………………………………………………………………… 83
2.6.1 TIRE ……………………………………………………………………………………………………………………….. 83
2.6.2 WHEEL …………………………………………………………………………………………………………………… 84
3. BRAKE SYSTEM………………………………………………………………………………………………………. 85
3.1 SERVICE BRAKE ………………………………………………………………………………………………………… 86
3.1.1 GENERAL DESCRIPTION (BRAKE LINE)……………………………………………………………….. 86
3.1.2 BRAKE VALVE ……………………………………………………………………………………………………….. 92
3.1.3 CHARGING VALVE ………………………………………………………………………………………………… 94
3.1.4 SLACK ADJUSTER …………………………………………………………………………………………………. 96
3.1.5 DISK BRAKE ………………………………………………………………………………………………………….. 97
3.1.6 OTHER COMPONENTS…………………………………………………………………………………………… 98
3.2 PARKING BRAKE ……………………………………………………………………………………………………….. 99
3.2.1 GENERAL DESCRIPTION (BRAKE LINE)……………………………………………………………….. 99
3.2.2 PARKING BRAKE VALVE……………………………………………………………………………………….. 101
3.2.3 SPRING BRAKE UNIT …………………………………………………………………………………………….. 102
3.2.4 PARKING BRAKE …………………………………………………………………………………………………… 103
4. STEERING SYSTEM ……………………………………………………………………………………………….. 107
4.1 GENERAL DESCRIPTION …………………………………………………………………………………………… 107
4.2 OIL CIRCULATION ROUTES ………………………………………………………………………………………. 109
4.3 STEERING WHEEL UNIT ……………………………………………………………………………………………. 110
4.4 STEERING VALVE ………………………………………………………………………………………………………. 113
4.5 CONTROL LINKAGE ………………………………………………………………………………………………….. 116
4.6 STEERING CYLINDER ……………………………………………………………………………………………….. 117
4.7 EMERGENCY STEERING UNIT (OPTION) ………………………………………………………………….. 119
5. FRAME AND COCKPIT ………………………………………………………………………………………….. 121
5.1 FRAME ……………………………………………………………………………………………………………………….. 121
5.2 CENTER HINGE PIN……………………………………………………………………………………………………. 123
6. HYDRAULIC SYSTEM…………………………………………………………………………………………….. 125
6.1 OIL CIRCULATION ROUTES ………………………………………………………………………………………. 125
6.2 OPERATION OF PUMP HYDRAULIC CIRCUIT …………………………………………………………… 129
6.3 PUMP………………………………………………………………………………………………………………………….. 133
6.3.1 MAIN PUMP……………………………………………………………………………………………………………. 134
6.3.2 STEERING PUMP ……………………………………………………………………………………………………. 138
6.3.3 POC & BRAKE PUMP……………………………………………………………………………………………… 140
6.4 VALVE ………………………………………………………………………………………………………………………… 141
6.4.1 MAIN VALVE ………………………………………………………………………………………………………….. 141
6.4.2 PILOT VALVE …………………………………………………………………………………………………………. 144
6.5 VALVE CONTROLS …………………………………………………………………………………………………….. 146
6.5.1 SYSTEM IN OPERATION ………………………………………………………………………………………… 146
6.5.2 STOP VALVE…………………………………………………………………………………………………………… 148
6.6 OIL TANK……………………………………………………………………………………………………………………. 149
7. LOAD HANDLING SYSTEM ………………………………………………………………………………….. 151
7.1 BOOM, BELLCRANK AND BUCKET ………………………………………………………………………….. 152
7.1.1 GENERAL DESCRIPTION……………………………………………………………………………………….. 152
7.1.2 BUCKET …………………………………………………………………………………………………………………. 154
7.1.3 BUCKET LEVELER, BOOM KICKOUT AND GSS……………………………………………………. 155
7.2 CYLINDER………………………………………………………………………………………………………………….. 159
7.2.1 BOOM CYLINDER ………………………………………………………………………………………………….. 159
7.2.2 BUCKET CYLINDER ………………………………………………………………………………………………. 159
8. ELECTRIC SYSTEM………………………………………………………………………………………………… 163
8.1 LIGHTING EQUIPMENT …………………………………………………………………………………………….. 163
8.2 METERS AND SWITCHES ………………………………………………………………………………………….. 164
8.2.1 METERS AND MONITOR LAMPS (CLUSTER GAUGE UNIT) …………………………………. 164
8.2.2 OPERATING STATUS MONITORS (EXCEPT CLUSTER GAUGE UNIT) …………………… 167
8.2.3 LIGHTING SWITCH ………………………………………………………………………………………………… 168
8.2.4 TURN SIGNAL SWITCH …………………………………………………………………………………………. 168
8.3 ELECTRIC CIRCUIT DIAGRAM ………………………………………………………………………………….. 169
9. …………………………………………………………………………………………………… 173
9.1 GENERAL DESCRIPTION …………………………………………………………………………………………… 174
9.1.1 OPERATING PRINCIPLE …………………………………………………………………………………………. 174
9.1.2 AIR CONDITIONER UNIT……………………………………………………………………………………….. 176
9.1.3 COMPRESSOR………………………………………………………………………………………………………… 177
9.1.4 RECEIVER TANK……………………………………………………………………………………………………. 178
9.1.5 CONDENSER ………………………………………………………………………………………………………….. 179
9.1.6 AIR CONDITIONER PIPING ……………………………………………………………………………………. 180
9.2 FAULT FINDING SYSTEM FOR AIR CONDITIONER …………………………………………………… 181

Hitachi LX300-7 LX450-7 Wheel Loader Operator’s Manual

SAFETY INSTRUCTIONS 1
DECALS (MACHINE SIGNS] 6
QUALIFIED OPERATOR AND
REGULATIONS 10
SAFETY COMPONENTS 11
OPERATION –
PICTORIAL NOMENCLATURE………………… 14
INSTRUMENTS AND CONTROLS 16
ROPS CANOPY. CAB. AIR

CONDITIONER AND RADIO 35
TRAVELING –
SAFE TRAVELING 46
BREAK-IN PERIOD 51
BEFORE STARTING THE ENGINE 52
STARTING THE ENGINE 53
AFTER STARTING THE ENGINE…………….. 53
STARTING AND STOPPING THE

HANDLING LOADERS WITH AUTOMATIC
TRANSMISSION 56
TRANSPORTING THE LOADER 58
MEASURES TO BE TAKEN IN

AN EMERGENCY 61
HANDLING IN COLD WEATHER……………… 64
HANDLING TIRES 65
LOADING OPERATION –
SAFE LOADING OPERATION 70
BEFORE LOADING 75
GROUND DIGGING (DIGGING ON

A LEVEL SURFACE) 77
LEVELING 79
BULLDOZING 80
SNOW REMOVAL 80
HOISTING THE LOADER 80
ADJUSTING BUCKET AUTO-
LEVELLER 81

STORING THE LOADER –
DAILY STORING B4
LONG-TERM STORAGE 84
OPERATING THE LOADER AFTER LONG-
TERM STORAGE 85
MAINTENANCE –
SAFE SERVICING AND
MAINTENANCE 88
LOCATIONS OF FILLER PORTS 92
GREASE FITTING LOCATIONS………………. 93
LOCATIONS OF FLOATING PINS 94
ENGINE COMPARTMENT……………………….. 95
PERIODIC INSPECTION –
PERIODIC INSPECTION LIST 98
BEFORE STARTING

(EVERY DAY) CHECKS 100
50 HOURS CHECKS 108
250 HOURS CHECKS 111
500 HOURS CHECKS 115
1000 HOURS CHECKS 117
2000 HOURS CHECKS 122
MAINTENANCE OF AIR
CONDITIONER 126
MAINTENANCE OF BATTERY 129
MAINTENANCE OF COOLANT 131
MAINTENANCE OF TIRES AND

PERIODICAL REPLACEMENT OF

SAFETY PARTS 133
LIST OF LUBRICANTS 134
OIL CAPACITY 135
TROUBLESHOOTING GUIDE 136
INFORMATION –
SPECIFICATIONS 140
NAME PLATE & SERIAL

ENGINE SERIAL NUMBER 141
WRITE DOWN YOUR LOADER

DATA HERE 142
MITSUBISHI ENGINE WARRANTY
STATEMENT 144

PLEASE NOTE:

• This is the SAME exact manual used by your dealers to fix your vehicle.
• The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
• Any queries / doubts regarding your purchase, please feel free to contact [email protected]