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SERVICE MANUAL

HYDRAULIC EXCAVATOR

EH45

Source Code No. S5PJ0002E-01

Section 1 - SPECIFICATION

Section 2 - MAINTENANCE

Section 3 - SYSTEM

Section 4 - DISASSEMBLY

Section 5 - TROUBLESHOOTING

Section 6 - ENGINE

Section 7 - MISCELLANEOUS

NEW HOLLAND

Form Number - 6-75750

Section 5

TROUBLESHOOTING

Section 4

DISASSEMBLY

and

ASSEMBLY

Section 3

SYSTEM

Section 2

MAINTENANCE

Section 1

SPECIFICATIONS

Section 7

MISCELLANEOUS

Section 6

ENGINE

CONSTRUCTION

➀

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Summary of Contents for EH45

Page 1: ...CONSTRUCTION CONSTRUCTION SERVICE MANUAL EH45 Compact Excavator 6 75750NA ...

Page 2: ...ASSEMBLY Section 5 TROUBLESHOOTING Section 6 ENGINE Section 7 MISCELLANEOUS NEW HOLLAND Form Number 6 75750 Section 5 TROUBLESHOOTING Section 4 DISASSEMBLY and ASSEMBLY Section 3 SYSTEM Section 2 MAINTENANCE Section 1 SPECIFICATIONS Section 7 MISCELLANEOUS Section 6 ENGINE CONSTRUCTION CONSTRUCTION 00 0 1 Find manuals at https best manuals com ...

Page 3: ...ontent is strictly prohibited without express written permission from New Holland Construction LLC Carol Stream IL 60188 U S A Copyright 2003 New Holland Construction LLC All Rights Reserved 00 0 2 Find manuals at https best manuals com ...

Page 4: ... 00 Oct 2001 S5PJ4302E 01 Jan 2003 S5PJ4202E 00 Oct 2001 S5PJ3402E 00 Oct 2001 S5PJ3402E 01 Jan 2003 S5PJ3302E 00 Oct 2001 S5PJ3302E 01 Jan 2003 S5PJ3202E 00 Jan 2001 S5PJ3202E 01 Jan 2003 S5PJ3102E 00 Oct 2001 S5PJ3102E 01 Jan 2003 S5PJ2402E 00 Oct 2001 S5PJ2402E 01 Jan 2003 S5PJ2302E 00 Jan 2001 S5PJ2302E 01 Jan 2003 S5PJ2202E 00 Oct 2001 S5PJ2202E 01 Jan 2003 S5PJ1302E 00 Oct 2001 S5PJ1302E 01 ...

Page 5: ...nual and on the machine All messages of safety are identified by the words DANGER WARNING and CAUTION a DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury and is represented as follows The proper and safe lubrication and maintenance for this machine recommended by the manufacturer is outlined in the OPERATOR S MANUAL for this machine Impr...

Page 6: ...t been stopped because fluids can be hot 13 Always use the proper tools that are in good condition and that are suited for the job at hand Be sure you understand how to use them before performing any service work 14 Reinstall all fasteners with the same part number Do not use a lesser quality fastener if replacements are necessary SAFETY PRECAUTIONS 1 2 SAFETY PRECAUTIONS The serviceman or mechani...

Page 7: ...se or damaged fuel lubricant and hydraulic lines tubes and hoses can cause fires Do not bend or strike high pressure lines or install ones which have been bent or damaged Inspect lines tubes and hoses carefully Do not check for leaks with your hands Very small pin hole leaks can result in a high velocity oil stream that will be invisible close to the hose This oil can penetrate the skin and cause ...

Page 8: ...del Cross reference SK45SR 2 is NEW HOLLAND Model EH45 NEW HOLLAND EH45 Book Code No 01 0 1 1 GENERAL PRECAUTIONS FOR REPAIRS 1 1 2 ESCAPING PROCEDURE IN CASE OF EMERGENCY 1 4 3 INTERNATIONAL UNIT CONVERSION SYSTEM 1 5 Find manuals at https best manuals com ...

Page 9: ...mission from New Holland Construction LLC Carol Stream IL 60188 U S A Copyright 2003 New Holland Construction LLC All Rights Reserved 01 0 2 REVISION DATE OF ISSUE REMARKS S5PJ0102E K E October 2001 First Edition S5PJ0102E K E January 2003 Second Revision Find manuals at https best manuals com ...

Page 10: ...NS FOR REPAIRS in machine 4 Identify the location of a first aid kit and a fire extinguisher and also where to make contact in a state of emergency 5 Choose a hard level and safe place and place the attachment on the ground securely 6 Use a lifter such as a crane to remove heavy parts 20 kg 45 lbs or more from the machine 7 Use proper tools and replace or repair defective tools 8 Support the machi...

Page 11: ...t or without performing air releasing will result in damage to the equipment 3 Perform air releasing after loosening the upper drain plug starting the engine and keep it in low idle condition Complete the air releasing when seeping of hydraulic oil is recognized and tightly plug 4 Perform air releasing of the travel motor and the hydraulic cylinders by running the engine for more than 5 minutes at...

Page 12: ...tal length of the hose is same Tighten the fitting at the specified torque Ensure no kink tension interference nor oil leakage is recognized 1 6 WELDING REPAIR 1 Refer repair welding to qualified personnel according to the appropriate procedure 2 Disconnect the ground earth cable of the battery before starting the repair Failure to do so will cause damage to the electrical equipment 3 Move away th...

Page 13: ...stuck in soft soil areas it may be necessary to tow the machine Attach a wire rope or chain with the capacity to pull the machine out to the lower frame towing eyes 2 Attach other end to the vehicle used to pull the machine Operate the Machine s Travel Lever in the proper direction while pulling with the other vehicle FIG 2 1 LIFE HAMMER AND EMERGENCY EXIT LABEL FIG 2 2 TOW MACHINE PROPERLY PV 1 5...

Page 14: ...1 PS 0 7355 kW rpm min 1 r min 1 1 Units that are allowed to use SI unit system Prefixes of SI n th power of 10 where n is an integral Table 3 5 SI units Base units Table 3 1 Derived units 109 10 6 10 3 10 2 10 10 1 10 2 10 3 10 6 10 9 10 12 Supplemen tary units Table 3 2 Derived units bearing peculiar designations Table 3 4 Derived units of base units Table 3 3 square metre cubic metre metre per ...

Page 15: ...0 50 100 100 500 1 000 5 000 10 000 20 000 5 000 10 000 20 000 500 1 000 2 000 100 500 1 000 2 000 100 1 000 100 10 10 10 10 5 5 1 1 1 1 0 1 N kgf kgf m N m MPa kgf cm2 1 N 0 10197 kgf 1 kgf 9 807 N 1 N m 0 102 kgf m 1 kgf m 9 807 N m 1 MPa 10 197 kgf cm2 1 kgf cm2 0 09807 MPa ...

Page 16: ...OLLAND EH45 1 COMPONENTS NAME 1 1 2 MACHINE DIMENSIONS 1 2 3 SPECIFICATIONS AND PERFORMANCE 1 6 4 MACHINE AND COMPONENTS WEIGHT DRY 1 7 5 TRANSPORTATION 1 9 6 TYPE OF CRAWLER SHOES 1 11 7 TYPE OF BUCKET 1 11 8 MACHINE LIFTING PROCEDURE 1 12 9 WORKING RANGES 1 14 10 LIFTING CAPACITIES 1 16 11 ENGINE SPECIFICATIONS 1 18 02 0 1 ...

Page 17: ...express written permission from New Holland Construction LLC Carol Stream IL 60188 U S A Copyright 2003 New Holland Construction LLC All Rights Reserved 02 0 2 REVISION DATE OF ISSUE REMARKS S5PJ0202E K E October 2001 First Edition S5PJ0202E K E January 2003 Second Revision ...

Page 18: ...USTER IDLER CONTROL VALVE LOWER ROLLER UPPER ROLLER TRAVEL MOTOR SWIVEL JOINT SLEWING RING RUBBER CRAWLER SHOE SLEWING MOTOR ENGINE BATTERY HYDRAULIC PUMP HYDRAULIC TANK MONITOR PANEL THROTTLE LEVER RESERVOIR TANK RADIATOR AIR CLEANER MUFFLER ARM CYLINDER CANOPY TRAVEL LEVER FUEL TANK RIGHT OPERATING LEVER DOZER OPERATING LEVER SWING CYLINDER BOOM 02 1 1 1 ...

Page 19: ...70 2 8 115 4 5 50 2 0 1 840 6 0 2 600 8 6 1 960 6 5 1 560 5 1 340 13 4 400 15 7 8 3 5 7 5 1 630 5 4 4 985 16 4 2 340 7 8 1 820 6 0 1 530 5 0 885 2 11 620 24 4 350 13 8 2 600 8 6 340 13 4 1 960 6 5 400 15 7 1 560 5 1 1 840 6 0 95 3 7 705 2 4 50 2 0 700 2 4 70 2 8 1 960 6 5 R980 38 6 7 3 5 7 5 2 MACHINE DIMENSIONS B CAB SK40SR 2 A CANOPY ...

Page 20: ...00 2 4 70 2 8 140 5 5 25 1 0 5 8 1 840 6 0 2 600 8 6 1 960 6 5 1 560 5 1 340 13 4 400 15 7 8 3 1 750 5 9 5 300 17 5 4 080 13 5 2 480 8 2 1 970 6 6 1 610 5 3 885 2 11 620 24 4 350 13 8 2 600 8 6 340 13 4 1 960 6 5 400 15 7 1 560 5 1 1 840 6 0 120 4 7 710 2 4 25 1 0 700 2 4 70 2 8 1 960 6 5 R980 38 6 7 3 5 8 SK45SR 2 EU Model A CANOPY B CAB ...

Page 21: ...4 400 15 7 4 080 13 5 1 750 5 9 350 13 8 5 300 17 5 2 480 8 2 1 970 6 6 1 610 5 3 885 2 11 620 24 4 8 3 5 7 5 1 750 5 9 5 300 17 5 4 080 13 5 2 480 8 2 1 970 6 6 1 610 5 3 885 2 11 620 24 4 350 13 8 2 600 8 6 340 13 4 1 960 6 5 400 15 7 1 560 5 1 1 840 6 0 120 4 7 710 2 4 25 1 0 700 2 4 70 2 8 1 960 6 5 R980 38 6 7 3 5 8 B CAB Unit mm ft in ...

Page 22: ...ter cooled diesel engine 4 Ø84 mm X 90 mm 1 99 22 8 2 100 31 0 2 100 118 1 400 12 1 400 12 X 2 0 12 X 40 Model YANMAR Type Number of cylinders Bore X Stroke Total Displacement Rated Output Maximum Torque Starter Generator Dynamo L kW min 1 PS rpm N m min 1 kgf m rpm V X kW V X A ENGINE Serial No Item Slewing Speed Travel Speed Gradeability Model min 1 rpm km h mph SPEED AND GRADEABILITY mm in Mach...

Page 23: ...l 4 cycle water cooled diesel engine 4 Ø88 mm X 90 mm 2 18 27 2 2 200 37 0 2 200 147 1 400 15 1 400 12 X 2 0 12 X 40 Model YANMAR Type Number of cylinders Bore X Stroke Total Displacement Rated Output Maximum Torque Starter Generator Dynamo L kW min 1 PS rpm N m min 1 kgf m rpm V X kW V X A ENGINE Serial No Item Slewing Speed Travel Speed Gradeability Model min 1 rpm km h mph SPEED AND GRADEABILIT...

Page 24: ...Rubber crawler 400mm width Swivel joint Dozer Dozer cylinder Attachment Assy of followings Boom assy Boom Arm cylinder Arm assy Arm Bucket cylinder Bucket Link Idler Link Bucket assy 0 13m3 0 17 cu yd Fluid Water Assy of followings Hydraulic oil Fuel Engine oil Water Coolant 4 160 9 170 1 870 4 120 180 400 4 060 8 950 1 770 3 900 490 1 080 82 180 180 400 35 77 19 40 36 79 23 50 99 220 48 105 43 95...

Page 25: ... width Swivel joint Dozer Dozer cylinder Attachment Assy of followings Boom assy Boom Arm cylinder Arm assy Arm Bucket cylinder Bucket Link Idler Link Bucket assy 0 14m3 0 18 cu yd Fluid Water Assy of followings Hydraulic oil Fuel Engine oil Water Coolant 4 730 10 430 2 200 4 850 180 400 4 630 10 210 2 100 4 630 620 1 370 82 180 180 400 35 77 19 40 36 79 23 50 99 220 48 105 43 95 35 77 550 1 210 1...

Page 26: ...py or the cab Therefore set the machine in the transporting position by observ ing following points 1 Extend the bucket cylinder fully 2 Extend the arm cylinder fully 3 Lower the boom 4 If machine cannot be transported with arm cylinder fully extended remove bucket or attachment and extend arm cylinder 2 Transportation Dimention and Weight of Attachment 1 Boom SK40SR 2 2 785 X 1 025 X 290 9 2 X 3 ...

Page 27: ... in Length X Height X Width mm ft in Weight kg lb SK40SR 2 0 13 0 17 780 X 695 X 600 2 7 X 2 3 X 2 0 100 220 SK45SR 2 0 14 0 18 780 X 695 X 650 2 7 X 2 3 X 2 2 104 230 Model Bucket capacity m3 cu yd SAE heaped Length X Height X Width mm ft in Weight kg lb SK40SR 2 1 050 X 335 X 1 960 3 5 X 1 1 X 6 5 180 400 SK45SR 2 1 125 X 335 X 1 960 3 8 X 1 1 X 6 5 190 420 Model Length X Height X Width mm ft in...

Page 28: ...3 6 0 27 3 8 0 27 3 8 0 28 3 9 Type Heaped capacity m3 cu yd Weight kg lb Number of tooth Outer width mm in with side cutter without side cutter Back hoe bucket Japanese standard bucket Canopy Cab 0 09 0 11 0 12 0 16 0 13 0 17 0 14 0 18 0 16 0 20 0 18 0 24 450 17 7 550 21 6 600 23 6 650 25 3 700 27 5 750 29 5 370 14 5 470 18 5 520 20 4 570 22 4 620 24 4 670 26 3 3 4 4 4 4 5 83 182 96 210 100 220 1...

Page 29: ...nfirm the balance then lift up the machine The wire ropes to be used for lifting the ma chine should have sufficient strength against the machine weight Improper lifting method and or rope rigging manner might cause for a movement or slip of the machine while it is being lifted result ing serious injury or damages to the machine Do not impose a load suddenly on the wire ropes and slings When the l...

Page 30: ...210 lb 19 4 17 0 5 500 18 1 D A B C Weight 4 630 kg 10 210 lb EU Model SK45SR 2 KAI Model SK45SR 2 Note This figure is calculated with Japanese standard bucket Bucket weight 104 kg 230 lb Note This figure is calculated with Japanese standard bucket Bucket weight 104 kg 230 lb ...

Page 31: ...level digging depth Stroke Minimum Above Below Arm Bucket Horizontal digging stroke at ground level Dozer strokes SK40SR 2 Model Standard Arm 1 36 m 4 6 0 13 m3 0 17 cu yd 5 560 5 410 3 400 5 480 3 900 1 610 2 570 1 990 4 180 2 920 2 420 1 790 360 320 18 3 17 9 11 2 18 0 12 10 5 3 8 5 6 6 13 9 9 7 7 11 5 10 1 2 1 1 Long Arm 1 66 m 5 5 0 13 m3 0 17 cu yd 5 840 5 700 3 670 5 690 4 100 1 320 2 870 2 ...

Page 32: ...radius 8 feet level digging depth Stroke Minimum Above Below Arm Bucket Horizontal digging stroke at ground level Dozer strokes SK45SR 2 Model Standard Arm 1 48 m 4 10 0 14 m3 0 18 cu yd 5 860 5 720 3 600 5 200 3 680 1 490 2 700 2 490 4 160 3 140 2 680 1 830 360 380 19 3 18 9 11 10 17 1 12 1 4 11 8 10 8 2 13 8 10 4 8 10 6 0 1 2 1 3 Long Arm 1 78 m 5 10 0 14 m3 0 18 cu yd 6 150 6 010 3 900 5 380 3 ...

Page 33: ...ng equipment shall be considered a part of the load 4 The values in the upper rows show the lifting capacity at a machine facing sideways and values in the lower rows show a machine facing longitudinally 5 Unit ton Crawler 400mm 16 in Rubber crawler shoe 6 Set hydraulic pressure 230 kgf cm2 3270 psi 2 Lifting conditions With Japanese standard bucket Machine SK40SR 2 Arm length 1 36m 4 6 Bucket wei...

Page 34: ...ther lifting equipment shall be considered a part of the load 4 The values in the upper rows show the lifting capacity at a machine facing sideways and values in the lower rows show a machine facing longitudinally 5 Unit ton Crawler 400mm 16 in Rubber crawler shoe 6 Set hydraulic pressure 230 kgf cm2 3270 psi 2 Lifting conditions With Japanese standard bucket Machine SK45SR 2 Arm length 1 48m 4 10...

Page 35: ... cooling Radiator Plastic 6 bladed OD ø335 Discharge type Crank pully Fan Pully ø120 ø110 12 X 2 0 12 X 40 Air heater pre heat 15 sec 2 7 5 8 2 3 Model Applicable machine Engine Model Type No of cylinders BoreXStroke Total displacement Compression ratio Rated output Maximum torque Low idling High idling Fuel consumption rate Allowable tilting angles Rotating direction Firing order Fuel injection t...

Page 36: ...adiator Plastic 6 bladed OD ø335 Discharge type Crank pully Fan Pully ø120 ø96 12 X 2 0 12 X 40 Air heater pre heat 15 sec 2 7 5 8 2 3 Model Applicable machine Engine Model Type No of cylinders BoreXStroke Total displacement Compression ratio Rated output Maximum torque Low idling High idling Fuel consumption rate Allowable tilting angles Rotating direction Firing order Fuel injection timing b T D...

Page 37: ...1 Rated 22 8kw Output 31 PS 2 100 min 1 260 240 220 180 160 10 15 20 25 30 Fuel consumption volume X P X F X 1000 X 22 8 X 238 0 835 X 1000 6 5 N m kgf m 140 120 100 14 12 10 kW 20 10 PS 30 20 10 g kW h g PS h kW PS N m kgf m g kW h g PS h Shaft Torque Shaft Output Fuel Consumption Rate Smoke Bosch F Fuel consumption rate g PS h P Shaft output PS Speific gravity Standard load factor 0 60 0 70 Fuel...

Page 38: ...Rated 27 2kw Output 37 PS 2 200 min 1 260 240 220 180 160 10 15 20 25 30 Fuel consumption volume X P X F X 1000 X 27 2 X 238 0 835 X 1000 7 75 N m kgf m 140 120 100 14 12 10 kW 20 10 PS 30 20 10 g kW h g PS h kW PS N m kgf m g kW h g PS h Shaft Torque Shaft Output Fuel Consumption Rate Smoke Bosch F Fuel consumption rate g PS h P Shaft output PS Speific gravity Standard load factor 0 60 0 70 Fuel ...

Page 39: ...NOTES ...

Page 40: ...wings 1 1 1 2 Boom maintenance standards 1 2 2 1 Arm dimensional drawings 1 4 2 2 Arm maintenance standards 1 6 drawings 1 8 4 1 Dozer dimensional drawings 1 11 4 2 Dozer maintenance standards 1 12 3 1 Bucket dimensional 3 2 Detail dimensional drawings of lug section 1 9 3 3 Detail dimensional drawings of boss section 1 10 5 1 Swing bracket dimensional drawings 1 13 5 2 Swing portion maintenance s...

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