KOBELCO NEW MINI-SHOVEL SK25SR-2 SK30SR-2 SK35SR-2 SK45SR-2 TRAINING TEXT MANUAL – PDF DOWNLOAD

Description

KOBELCO NEW MINI-SHOVEL SK25SR-2 SK30SR-2 SK35SR-2 SK45SR-2 TRAINING TEXT MANUAL – PDF DOWNLOAD

DESCRIPTION:

KOBELCO NEW MINI-SHOVEL SK25SR-2 SK30SR-2 SK35SR-2 SK45SR-2 TRAINING TEXT MANUAL – PDF DOWNLOAD

Book code No. S6PO00613ZE01.

1. PREFACE

• The new Beetle Series takes over the development theory of the blockbuster Grand Beetle Series, ·and is also a ultra-small swing radius mini-shovel which was developed by introducing a new technology evaluation standard to achieve the safety and environmental level appropriate to the international stage.

• The development concept is a “workability like heavy machinery with high comfort and high quality convenience”, meeting the modern user’s needs of “Durability, safety, environment”, and its performance as a excavator is brushed up further on the basis of the measure against the improvement of the life long cost performance, and measure against the safety and environment for compatibility with International Standard.

• The following 4 items are selected as a sales point to achieve one of user needs “Longer life, higher earnings”

1. Body constr_uction to maintain the high quality feeling of a new machine for long period

2. Substantial rationalization of maintenance and management using layout 1 standardized for -all series

3. Attachment to raise the life long cost with the complete high durability construction

4. Firstin Mini! Normally equipped with TOPS canopy compatible with CEN Standard

• For one-ton class, SK09SR, SK13SR, SK15MSR and SK16SR are contained as borderless series, and the spanner function specialized in this series (exclude SK15MSR), the right and left travel control lever, etc. as new function are improved. And also making parts in common as buddy models is planned. • For 2 ton, 3 ton and 4 ton classes, SK20SR-2, SK25SR-2,SK30SR-2, SH35SR-2, SK40SR-2, SK45SR-2 are contained in new beetle series, and making the equipment layout and parts in common is planned

TABLE OF CONTENTS:

KOBELCO NEW MINI-SHOVEL SK25SR-2 SK30SR-2 SK35SR-2 SK45SR-2 TRAINING TEXT MANUAL – PDF DOWNLOAD

PREFACE ………………………………………………………………………………………………………… 1
2. OUTLINE OF NEW BEETLE SERIES ………………………………………………………………….. 2
3. INTERCHANGEABLITY LIST ……………………………………………………………………………… 8
4. COMPONENTS NAME …………………………………………………………………………………….. 10
5. SPECIFICATIONS …………………………………………………………………………………………… 11
5-1.GENERAL SPECIFICATIONS …………………………………………………………………… 11
5-2.SPECIFICATIONS AND PERFORMANCE ………………………………………………….. 17
5-3.MACHINE & COMPONENTS WEIGHT (DRY) ……………………………………………… 20
5-4.ENGINE SPECIFICATIONS ……………………………………………………………………… 23
5-5.WORKING RANGES ……………………………………………………………………………….. 27
6. MACHINE FAMILIARIZATION …………………………………………………………………………… 30
1)OPERATOR CAB NOMENCLATURE ………………………………………………………… 30
2)COMPONENT & CONTROLS NOMENCLATURE …………………………………………. 31
7. LOCATION OF MAIN COMPONENTS ……………………………………………………………….. 44
8. HYDRAULIC CIRCUIT DIAGRAM …………………………………………………………………….. 45
8.1. HYDRAULIC CIRCUITS AND COMPONENTS …………………………………………. 45
8.2. HYDRAULIC CIRCUITS AND COMPONENT MODELS …………………………….. 49
8.3. HYDRAULIC CIRCUITS AND COMPONENTS …………………………………………. 53
9. ELECTRIC CIRCUIT DIAGRAM ……………………………………………………………………….. 57
9.1. SK25SR-2 …………………………………………………………………………………………………………………….. 57
9.1.1 ELECTRICAL EQUIPMENT LIST …………………………………………………… 59
9.1.2 ELECTRICAL EQUIPMENT & HARNESS CONNECTION DRAWING … 60
9.1.3 ARRANGEMENT DRAWING FOR COMPONENTS & HARNESS ………. 61
9.2. SK30SR-2, SK35SR-2 ………………………………………………………………………………………………… 67
9.2.1 ELECTRICAL EQUIPMENT LIST …………………………………………………… 69
9.2.2 ELECTRICAL EQUIPMENT & HARNESS CONNECTION DRAWING … 70
9.2.3 COMPONENTS & HARNESS ARRANGEMENT ………………………………. 71
9.3. SK45SR-2 …………………………………………………………………………………………………………………….. 77
9.3.1 ELECTRICAL EQUIPMENT LIST …………………………………………………… 79
9.3.2 ELECTRICAL EQUIPMENT & HARNESS CONNECTION DRAWING … 80
9.3.4 ARRANGEMENT DRAWING FOR COMPONENTS & HARNESS ………. 81
10. HYDRAULIC PUMP ………………………………………………………………………………………….. 88
10.1 SUMMARY ………………………………………………………………………………….•………… 88
10.2 CONSTRUCTION · FUNCTION ………………………………………………………………… 92
10.3 INNER CONSTRUCTION ………………………………………………………………………. 101
11. CONTROL VALVE …………………………………………………………………………………………… 113
11.1 GENERAL VIEW AND HYDRAULIC PORTS NAME ………………………………….. 113
11.2 CONSTRUCTION ………………………………………………………………………………….. 119
11.3 COMPONENT PARTS ……………………………………………………………………………. 125
11.4 HYDRAULIC CIRCUIT …………………………………………………………………………… 130
11.5 EXPLANATION OF OPERATION …………………………………………………………….. 136
12. SLEWING MOTOR …………………………………………………………………………………………. 153
12.1 GENERAL VIEW (SK25SR-2, SK30SR-2, SK35SR-2,) ………………………………. 153
12.2 GENERAL VIEW (SK45SR-2,) ……………………………………………………………….. 166
13. TRAVEL MOTOR ……………………………………………………………………………………………. 173
13.1 GENERAL VIEW (SK25SR-2,) ……………………………………………………………….. 173
13.2 GENERAL VIEW (SK30SR-2, SK35SR-2, SK45SR-2,) ………………………………. 187
14. CYLINDER …………………………………………………………………………………………………….. 202
14.1 SPECIFICATIONS …………………………………………………………………………………. 202
15. HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS ……………………. 204
16. PERFORMANCE INSPECTION STANDARD TABLE ………………………………………….. 205
16.1 STANDARD VALUE ……………………………………………………………………………….. 205
16.2. MEASURING ENGINE SPEED ………………………………………………………………. 213
16.3. MEASURING HYDRAULIC OIL PRESSURE …………………………………………… 215
16.4. MEASURING TRAVEL PERFORMANCES ………………………………………………. 219
16.5. MEASURING SLEW PERFORMANCES …………………………………………………. 221
16.6. MEASURING ATTACHMENT OPERATING PERFORMANCES …………………. 223
16.7. MEASURING SLEW BEARING PERFORMANCES ………………………………….. 225
16.8. MEASURING CRAWLER TENSION ……………………………………………………….. 225

KOBELCO NEW MINI-SHOVEL SK25SR-2 SK30SR-2 SK35SR-2 SK45SR-2 TRAINING TEXT MANUAL – PDF DOWNLOAD:

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