New Holland E20.2SR, E22.2SR, E27.2SR Hydraulic Excavator Workshop Manual 60413401

New Holland E20.2SR, E22.2SR, E27.2SR Hydraulic Excavator Workshop Manual 60413401 - Image 2

New Holland E20.2SR, E22.2SR, E27.2SR Hydraulic Excavator Workshop Manual 60413401 - Image 3

New Holland E20.2SR, E22.2SR, E27.2SR Hydraulic Excavator Workshop Manual 60413401 - Image 4

New Holland E20.2SR, E22.2SR, E27.2SR Hydraulic Excavator Workshop Manual 60413401 - Image 5

new holland e202sr e222sr e272sr hydraulic excavator workshop manual 60413401 2

new holland e202sr e222sr e272sr hydraulic excavator workshop manual 60413401 3

New Holland E20.2SR, E22.2SR, E27.2SR Hydraulic Excavator Workshop Manual 60413401

$40.00

Type Of Manual: Workshop Manual
Manual ID: 60413401
Format: PDF
Size: 35.8MB
Number of Pages: 768
Serial Number:
60413401

Category: New Holland Workshop Manual PDF

Model List:
- E20.2SR Hydraulic Excavator
- E22.2SR Hydraulic Excavator
- E27.2SR Hydraulic Excavator

1. SAFETY PRECAUTIONS
1.1. GENERAL SAFETY INFORMATION
1.2. SAFETY PRECAUTIONS
2. OUTLINE
2.1. GENERAL PRECAUTIONS FOR REPAIRS
2.2. INTERNATIONAL UNIT CONVERSION SYSTEM (Based on MARKS STANDARD HANDBOOK FOR MECHANICAL ENGINEERS)
3. SPECIFICATIONS
3.1. COMPONENTS NAME
3.2. MACHINE DIMENSIONS
3.3. SPECIFICATIONS AND PERFORMANCE
3.4. MACHINE COMPONENTS WEIGHT (DRY)
3.5. TRANSPORTATION
3.6. TYPE OF CRAWLER SHOES
3.7. TYPE OF BUCKET
3.8. ENGINE SPECIFICATIONS
4. ATTACHMENT DIMENSIONS
4.1. BOOM
4.2. Fig. 31 Boom Dimensional Drawings
4.3. Table 31
4.4. Fig. 32 Clearance of pin and bushing on boom section
4.5. Table 32
4.6. Table 33
4.7. Fig. 33 Clearance in thrust direction on boom section
4.8. Table 34
4.9. Table 35
4.10. Fig. 34 Dipper dimensional drawings
4.11. Table 36
4.12. Fig. 35 Clearance of pin and bushing on dipper section
4.13. Table 37
4.14. Table 38
4.15. Fig. 36 Clearance in thrust direction on dipper section
4.16. Table 39
4.17. Table 310
4.18. Fig. 37 Bucket dimensional drawings
4.19. Table 311
4.20. Fig. 38 Dimension of lug section
4.21. Table 312
4.22. Fig. 310 Dozer dimensional drawings
4.23. Table 314
4.24. Fig. 315 Dozer maintenance standards
4.25. Table 315
4.26. Table 317
4.27. Table 318
4.28. Fig. 312 Swing bracket dimensional drawings
4.29. Table 319
4.30. Fig. 313 Clearance of pin and bushing on swing portion
4.31. Table 320
4.32. Fig. 314 Clearance in thrust direction on swing portion
4.33. Table 321
5. TOOLS
5.1. TORQUE SPECIFICATIONS FOR CAPSCREWS NUTS
5.2. SCREW AND TOOL SIZES
5.3. TORQUE SPECIFICATIONS FOR JOINTS AND HOSES
5.4. TORQUE SPECIFICATIONS FOR SLEEVE TYPE TUBE FITTINGS
5.5. SPECIAL SPANNERS FOR TUBES
5.6. APPLICATION OF SCREW LOCKING AND SEALING COMPOUNDS
5.7. COUNTERWEIGHT LIFTING JIG
5.8. Fig. 111 Counterweight lifting jig
6. STANDARD MAINTENANCE TIME TABLE
6.1. PREFACE
6.2. STANDARD WORKING TIME TABLE FOR THE MAINTENANCE OF EXCAVATOR
7. MAINTENANCE STANDARDS AND TEST PROCEDURES
7.1. HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS
7.2. PERFORMANCE INSPECTION STANDARD TABLE
7.3. MEASURING ENGINE SPEED
7.4. Fig. 131 Engine Speed measurement (The above figure shows concept)
7.5. WATER TEMP
7.6. Fig. 132 Accelerator wire adjustment
7.7. Fig. 133 Main hydraulic oil pressure measurement
7.8. Fig. 134 Main hydraulic oil pressure measurement
7.9. Fig. 135 Relief valve
7.10. Fig. 136 Relief valve (Slewing motor)
7.11. Fig. 137 Pilot oil pressure measurement
7.12. Fig. 138 Relief valve
8. HYDRAULIC SYSTEM
8.1. SUMMARY
8.2. HYDRAULIC CIRCUITS AND COMPONENT MODELS
8.3. HYDRAULIC CIRCUIT OPERATION
8.4. SCHEMATIC PIPING FOR HYDRAULIC SYSTEM
9. ELECTRICAL SYSTEM
9.1. HOW TO READ CIRCUIT DIAGRAM AND HARNESS CONNECTION
9.2. ELECTRICAL EQUIPMENT HARNESS
9.3. Fig. 231 Upper Frame Portion (1/6)
9.4. Fig. 232 Upper Frame Portion (2/6)
9.5. Fig. 233 Upper Frame Portion (3/6)
9.6. Fig. 234 Upper Frame Portion (4/6)
9.7. Fig. 235 Upper Frame Portion (5/6)
9.8. Fig. 236 Upper Frame Portion (6/6)
9.9. Fig. 237 Engine Portion (1/3)
9.10. Fig. 238 Engine Portion (2/3)
9.11. Fig. 239 Engine Portion (3/3)
9.12. Fig. 2311 Relay Unit Portion (2/2)
9.13. Fig. 2312 Fuel Tank Portion (1/2)
9.14. Fig. 2313 Fuel Tank Portion (2/2)
9.15. Fig. 2313 Socket and Hour meter Assembly
9.16. Fig. 2314 Cab Portion (OPT) (1/2)
10. COMPONENTS SYSTEM
11. HYDRAULIC COMPONENTS
11.1. HYDRAULIC PUMP
11.2. SPECIFICATIONS
11.3. Operation
11.4. Swash plate (Hanger)
11.5. Rotary group
11.6. Control spring
11.7. Cover
11.8. Gear pump
11.9. Housing
11.10. Trochoid pump
11.11. Specifications
11.12. Performance Characteristics
11.13. Dumping mechanism
11.14. Component Parts The control valve is roughly classified into the following four sections.
11.15. Pilot operating section
11.16. Manual operation section
11.17. Flow conflux function
11.18. Independent travel function
11.19. Function of Lock Valve
11.20. Operation of relief valve
11.21. Parking brake
11.22. The hydraulic timer is provided to protect the parking brake from dragging and plays to secure delay time so that the parking…
11.23. Operating principle of relief valve
11.24. Makeup valve (check valve, No.54)
11.25. Reduction Unit (2stage planetary)
11.26. Hydraulic circuit
11.27. Arm cylinder
11.28. Bucket cylinder
11.29. Swing cylinder
11.30. Dozer cylinder
11.31. Function of each Parts
12. ELECTRICAL EQUIPMENT
12.1. ELECTRICAL EQUIPMENT LIST
12.2. SPECIFICATIONS ELECTRICAL EQUIPMENT
13. E20_22_27.2SR_2.pdf
13.1. Crawler
13.2. Upper roller (E27.2SR ONLY)
13.3. Lower roller
13.4. Front idler
13.5. Idler adjuster
13.6. Sprocket
13.7. Travel motor
13.8. Slewing bearing
13.9. Link height
13.10. Height of shoe lug
13.11. Bushing O.D.
13.12. Interference of bushing and link
13.13. Interference of track pin and link
13.14. Fitting of master pin and link
13.15. Clearence gap of link
13.16. Master pin
13.17. Slewing speed is slow.
13.18. Replace seal for pump shaft.
13.20. Medium speed
13.22. Not reach max. speed
13.23. Adjust engine speed
13.25. Diaphragm cover
13.26. Spring
13.27. Center plate
13.28. Diaphragm
13.29. Remove this side
13.30. Bonnet
13.31. Breather baffle
13.32. Breather pipe
13.33. Baffle plate
13.34. Plug
13.35. Suction manifold

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