New Holland E18SR Compact Crawler Excavator Repair Manual 87630256 – PDF DOWNLOAD

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New Holland E18SR Compact Crawler Excavator Repair Manual 87630256 – PDF DOWNLOAD

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New Holland E18SR Compact Crawler Excavator Repair Manual 87630256 – PDF DOWNLOAD

SAFETY PRECAUTIONS:

• The proper and safe lubrication and maintenance for this machine, recommended by Manufacturer, are outlined in the OPERATOR’S MANUAL for the machine. Improper performance of lubrication or maintenance procedures are dangerous and could result in injury or death.
• Read and understand the MANUAL before performing any lubrication or maintenance. The service technician may be unfamiliar with many of the systems on this machine. This makes it important to use caution when performing service work. A knowledge of the system and or components is important before the removal or disassembly of any component.
• Because of the size of some of the machine components, the technician should check the weights noted in this manual. Use proper lifting procedures when removing any components. Weight of components table is shown in the section; SPECIFICATIONS. The following is a list of basic precautions that must always be observed.

TABLE OF CONTENTS:

New Holland E18SR Compact Crawler Excavator Repair Manual 87630256 – PDF DOWNLOAD

0-SAFETY
0 1 GENERAL SAFETY INFORMATION 0-2
0 2 SAFETY PRECAUTIONS 0-3
1-OUTLINE
1 1 GENERAL PRECAUTIONS FOR MAKING REPAIRS 1-3
1 1 1 PREPARATION BEFORE DISASSEMBLING 1-3
1 1 2 SAFETY WHEN DISASSEMBLING AND ASSEMBLING 1-3
1 1 3 DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT 1-3
1 1 4 ELECTRICAL EQUIPMENT 1-4
1 1 5 HYDRAULIC PARTS 1-5
1 1 6 WELD REPAIR 1-5
1 1 7 ENVIRONMENTAL ISSUES 1-5
1 2 INTERNATIONAL UNIT CONVERSION SYSTEM 1-6
2-SPECIFICATIONS
2 1 COMPONENTS NAME 2-3
2 2 MACHINE DIMENSIONS 2-4
2 3 SPECIFICATIONS AND PERFORMANCE 2-5
2 4 MACHINE 7 COMPONENTS WEIGHT 2-6
2 5 TRANSPORTATION 2-7
2 6 TYPE OF CRAWLER SHOES 2-9
2 7 TYPE OF BUCKET 2-9
2 8 ENGINE SPECIFICATIONS 2-10
2 8 1 SPECIFICATIONS 2-10
2 8 2 ENGINE PERFORMANCE CURVE 2-11
3-ATTACHMENT DIMENSIONS
3 1 BOOM 3-3
3 1 1 BOOM DIMENSIONAL DRAWING 3-3
3 1 2 BOOM MAINTENANCE STANDARD 3-4
3 2 ARM 3-8
3 2 1 ARM DIMENSIONAL DRAWING 3-8
3 2 2 ARM MAINTENANCE STANDARD 3-10
3 3 BUCKET 3-14
3 3 1 BUCKET DIMENSIONAL DRAWING 3-14
3 3 2 DETAIL DIMENSIONAL DRAWINGS OF LUG SECTION 3-11
3 3 3 DETAIL DIMENSIONAL DRAWINGS OF BOSS SECTION 3-15
3 4 DOZER 3-16
3 4 1 DOZER DIMENSIONAL DRAWINGS 3-16
3 4 2 DOZER MAINTENANCE STANDARDS 3-18
3 5 SWING 3-20
3 5 1 SWING BRACKET DIMENSIONAL DRAWINGS 3-20
3 5 2 SWING PORTION MAINTENANCE STANDARDS 3-21‘
MAINTENANCE SECTION
11-TOOLS
11 1 STANDARD TORQUE SPECIFICATIONS FOR CAPSCREWS AND NUTS 11-3
11 1 1 Metric Coarse Thread Standard Tightening Torque values Make certain to tighten all
Capscrews & Nuts to proper torque values 11-3
11 1 2 Metric Fine Thread Standard Tightening Torque values Make certain to tighten all
Capscrews & Nuts to proper torque values 11-4
11 2 SCREW AND TOOL SIZE 11-5
11 2 1 CAPSCREW 11-5
11 2 2 CAPSCREW (SOCKET BOLT) 11-5
11 2 3 SOCKET SET SCREW 11-5
11 3 TORQUE SPECIFICATIONS FOR JOINTS AND HOSES 11-5
11 3 1 JOINTS FOR PIPING (O-RING SEALING TYPE) 11-5
11 3 2 HYDRAULIC HOSE (30° FLARE TYPE) 11-5
11 4 TORQUE SPECIFICATIONS FOR SLEEVE TYPE TUBE FITTINGS 11-6
11 4 1 SLEEVE TYPE TUBE FITTING 11-6
11 4 2 PART NO 11-6
11 5 PLUG 11-7
11 5 1 PLUG FOR HYDRAULIC PIPE JOINT 11-7
11 5 2 PLUG FOR HYDRAULIC EQUIPMENT 11-8
11 6 SPECIAL SPANNER FOR TUBE 11-9
11 7 SPECIAL TOOLS 11-9
11 8 APPLICATION OF SCREW LOCKING COMPOUND AND SEALING COMPOUND 11-9
11 9 COUNTER WEIGHT LIFTING JIG 11-10
12-STANDARD MAINTENANCE TIMETABLE
12 1 STANDARD WORKING TIME TABLE FOR THE MAINTENANCE OF EXCAVATOR 12-4
13-MAINTENANCE STANDARD AND TEST PROCEDURE
13 1 HOW TO USE THE MAINTENANCE STANDARD 13-3
13 2 PERFORMANCE INSPECTION STANDARD TABLE 13-5
13 2 1 STANDARD VALUE TABLE 13-5
13 3 MEASUREMENT ENGINE SPEED 13-7
13 3 1 ENGINE SPEED MEASUREMENT 13-7
13 4 MEASURING HYDRAULIC PRESSURE 13-9
13 4 1 STANDARD FOR HYDRAULIC PRESSURE MEASUREMENT 13-9
13 4 2 PRESSURE MEASUREMENT AND ADJUSTMENT 13-9
13 5 MEASURING TRAVEL PERFORMANCES 13-12
13 5 1 TRAVEL 13-12
13 5 2 TRAVEL DEVIATION 13-12
13 5 3 MOVEMENT DRIFT DUE TO GRAVITY 13-13
13 5 4 DRAIN RATE ON TRAVEL MOTOR 13-13
13 6 MEASURING SWING PERFORMANCES 13-14
13 6 1 SWING TIME 13-14
13 6 2 OVERRUN WHEN SWING STOPS 13-14
13 6 3 SWING DRIFT DUE TO GRAVITY 13-14
13 6 4 DRAIN RATE OF SWING MOTOR 13-15
13 7 MEASURING ATTACHMENT OPERATING PERFORMANCES 13-16
13 7 1 CYLINDER SPEED 13-16
13 7 2 GRAVITY DRIFT OF CYLINDERS 13-17
13 8 MEASURING SWING BEARING PERFORMANCES 13-18
13 8 1 SWING BEARING BUCKET TIP PLAY 13-18
13 8 2 SWING BEARING PLAY 13-18
13 9 MEASURING CRAWLER TENSION 13-19
13 9 1 CRAWLER TENSION 13-19
SYSTEM SECTION
22-HYDRAULIC SYSTEM
22 1 SUMMARY 22-3
22 2 1 FUNCTION AND FEATURES OF HYDRAULIC CIRCUIT 22-3
22 2 HYDRAULIC CIRCUITS AND COMPONENT MODELS 22-4
22 3 HYDRAULIC CIRCUIT OPERATION 22-5
22 3 1 COLOR CODING STANDARD FOR HYDRAULIC CIRCUITS 22-5
22 3 2 NEUTRAL CIRCUIT 22-5
22 3 3 TRAVEL OPERATING CIRCUIT 22-6
22 3 4 SWING OPERATING CIRCUIT 22-7
22 3 5 BUCKET OPERATING CIRCUIT 22-7
22 3 6 BOOM OPERATING CIRCUIT 22-8
22 3 7 ARM OPERATING CIRCUIT 22-8
22 3 8 SWING OPERATING CIRCUIT 22-9
22 3 9 DOZER AND AJUUSTABLE CRAWLER FRAME WIDTH OPERATING CIRCUIT22-9
22 3 10 TRAVEL/DOZER COMBINED OPERATING CIRCUIT 22-10
22 3 11 TRAVEL/BOOM COMBINED OPERATING CIRCUIT 22-10
22 3 12 NIBBLER & BREAKER OPERATING CIRCUIT 22-11
22 4 SCHEMATIC PIPING FOR HYDRAULIC SYSTEM 22-12
23-ELECTRICAL SYSTEM
23 1 HOW TO READ CIRCUIT DIAGRAM AND HARNESS CONNECTION 23-3
23 1 1 ELECTRICAL CIRCUIT DIAGRAM 23-3
23 1 2 HARNESS CONNECTION 23-3
23 2 ELECTRICAL EQUIPMENT & HARNESS 23-4
23 2 1 ELECTRICAL EQUIPMENT LIST 23-4
23 2 2 HARNESS & CABLE LIST 23-5
23 2 3 ARRANGEMENT DRAWING FOR COMPONENTS & HARNESS 23-6
23 2 4 DETAIL OF HARNESS & CABLE 23-20
24-COMPONENTS SYSTEM
24 1 HYDRAULIC COMPONENTS 24-3
24 1 1 HYDRAULIC PUMP 24-3
24 1 2 PILOT VALVE (ATT) 24-6
24 1 3 PILOT VALVE (TRAVEL) 24-9
24 1 4 CONTROL VALVE 24-14
24 1 5 SWING MOTOR 24-29
24 1 6 TRAVEL MOTOR 24-36
24 1 7 SWIVEL JOINT 24-45
24 1 8 CYLINDER 24-49
24 2 ELECTRIC EQUIPMENT 24-58
24 2 1 ELECTRIC EQUIPMENT LIST 24-58
24 2 2 SPECIFICATION ELECTRIC EQUIPMENT 24-60
DISASSEMBLING SECTION
31-DISASSEMBLY AND ASSEMBLING
31 1 GENERAL DISASSEMBLY & ASSEMBLY 31-3
31 1 1 CONTENTS OF GENERAL DISASSEMBLY & ASSEMBLY 31-3
31 1 2 SPECIFICATION OF TIGHTENING TORQUE 31-3
32-ATTACHMENT
32 1 REMOVING AND INSTALLING 32-3
32 1 1 ATTACHMENT ASSEMBLY AND NAME 32-3
32 1 2 BUCKET 32-4
32 1 3 ARM 32-6
32 1 4 BOOM 32-9
32 1 5 SWING 32-12
32 1 6 DOZER 32-14
32 2 DISASSEMBLING AND ASSEMBLING 32-15
32 2 1 CYLINDER 32-15
33-UPPER STRUCTURE
33 1 REMOVING AND INSTALLING 33-3
33 1 1 CANOPY 33-3
33 1 2 GUARD (COVER) 33-4
33 1 3 COUNTERWEIGHT 33-6
33 1 4 BATTERY 33-7
33 1 5 FLOOR PLATE ASSEMBLY 33-8
33 1 6 AIR CLEANER 33-10
33 1 7 HYDRAULIC OIL TANK 33-11
33 1 8 FUEL TANK 33-13
33 1 9 PUMP 33-14
33 1 10 CONTROL VALVE 33-16
33 1 11 SOLENOID VALVE 33-20
33 1 12 MULTI CONTROL VALVE 33-21
33 1 13 MUFFLER 33-22
33 1 14 ALTERNATOR 33-23
33 1 15 STARTOR 33-24
33 1 16 RADIATOR 33-25
33 1 17 PILOT VALVE 33-27
33 1 18 CONTROL STAND 33-28
33 1 19 ENGINE 33-33
33 1 20 SWING MOTOR 33-35
33 1 21 SWIVEL JOINT 33-37
33 1 22 UPPER FRAME 33-40
33 2 DISASSEMBLING AND ASSEMBLING 33-43
33 2 1 HYDRAULIC PUMP 33-43
–
33 2 2 CONTROL VALVE 33-57
33 2 3 PILOT VALVE (ATTACHMENT) 33-77
33 2 4 PILOT VALVE (FOR TRAVEL) 33-87
33 2 5 SWING MOTOR 33-92
33 2 6 SWIVEL JOINT 33-109
34-TRAVEL SYSTEM
34 1 REMOVING AND INSTALLING 34-3
34 1 1 NAME OF TRAVEL SYSTEM PARTS 34-3
34 1 2 CRAWLER 34-3
34 1 3 SIDE PLATE 34-10
34 1 4 LOWER ROLLER 34-11
34 1 5 FRONT IDLER 34-15
34 1 6 IDLER ADJUSTER 34-19
34 1 7 SPROCKET 34-23
34 1 8 TRAVEL MOTOR 34-25
34 1 9 SWING BEARING 34-27
34 1 10 ADJUSTABLE CRAWLER FRAME WIDTH 34-30
34 2 DISASSEMBLING AND ASSEMBLING 34-33
34 2 1 TRAVEL MOTOR 34-33
TROUBLESHOOTING SECTION
42-TROUBLESHOOTING (HYDRAULIC SYSTEM)
42 1 GENERAL PRECAUTIONS 42-3
42 1 1 CONFIRM ACTUAL TROUBLED CONDITION AT SITE 42-3
42 2 TROUBLE DIAGNOSIS: HYDRAULIC 42-4
42 3 TROUBLESHOOTING 42-5
42 3 1 ATTACHMENT 42-5
42 3 2 TRAVEL OPERATION 42-7
42 3 3 SWING OPERATION 42-9
42 3 4 PUMP 42-10
43-TROUBLESHOOTING (ELECTRICAL SYSTEM)
43 1 TROUBLE DIAGNOSIS: ELECTRIC SYSTEM 43-3
43 2 TROUBLESHOOTING 43-4
43 2 1 GENERAL 43-4
43 2 2 ATTACHMENT OPERATION 43-8
43 2 3 TRAVEL OPERATION 43-9
44-TROUBLESHOOTING (ENGINE)
44 1 TROUBLE DIAGNOSIS : ENGINE 44-3
44 2 TROUBLESHOOTING 44-6
44 2 1 STARTING TROUBLE 44-6
44 2 2 E/G ROTATION TROUBLE 44-8
44 2 3 OUTPUT DROUPS DOWN 44-9
44 2 4 OTHER TROUBLE 44-10
ENGINE SECTION
51-ENGINE
MITSUBISHI ENGINE SERVICE MANUAL 51-1
GENERAL 1-1
SERVICE DATA 2-1
BASIC AND SPECIAL TOOLS 3-1
OVERHAUL DETERMINATION 4-1
DISASSEMBLING ENGINE MAIN PARTS 5-1
INSPECTION AND REPAIRING ENGINE MAIN PARTS 6-1
REASSEMBLING ENGINE MAIN PARTS 7-1
FUEL SYSTEM 8-1
LUBRICATION SYSTEM 9-1
COOLING SYSTEM 10-1
INLET AND EXHAUST SYSTEM 11-1
ELECTRICAL SYSTEM 12-1
ENGINE ADJUSTMENT, BREAK IN OPERATION AND PERFORMANCE TESTS 13-1
TROUBLESHOOTING 14-1
DATA
71-SUPPORTING DATA
71 1 HYDRAULIC CIRCUIT DIAGRAM 71-3
71 1 1 STANDARD SPECIFICATIONS 71-3
71 1 2 HYDRAULIC CIRCUIT OPERATION 71-4
(1) NEUTRAL CIRCUIT 71-4
(2) TRAVEL CIRCUIT: TRAVEL FORWARDOPERATION AT 2ND SPEED 71-5
(3) SWING CIRCUIT: SWING LEFT OPERATION 71-6
(4) BUCKET CIRCIT: BUCKET DIGGING OPERATION 71-7
(5) BOOM CIRCUIT: BOOM UP OPERATION 71-8
(6) ARM CIRCUIT: ARM IN OPERATION 71-9
(7) SWING CIRCUIT: BOOM SWING LEFT OPERATION 71-10
(8) DOZER CIRCUIT: DOZER DOWN OPERATION 71-11
(9) COMBINED CIRCUIT: TRAVEL (FORWARD) 1ST SPEED/DOZER
DOWN OPERATION 71-12
(10) COMBINED CIRCUIT: TRAVEL (FORWARD) 1ST SPEED/BOOM
UP OPERATION 71-13
(11) NIBBLER & BREAKER CIRCUIT: NIBBLER CLOSE OPERATION 71-14
71 1 3 SCHEMATIC PIPING FOR HYDRAULIC SYSTEM 71-15
71 2 ELECTRIC CIRCUIT DIAGRAM 71-16

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