Case CX20B CX22B & CX27B Mini Excavators Operator’s Manual 6-83372 – PDF DOWNLOAD

Description

Case CX20B CX22B & CX27B Mini Excavators Operator’s Manual 6-83372 – PDF DOWNLOAD

DESCRIPTION:

Case CX20B CX22B & CX27B Mini Excavators Operator’s Manual 6-83372 – PDF DOWNLOAD

GENERAL
• This manual contains procedures to help the operator gain peak performance through effective, economical machine
operation and maintenance for the Manufacturer’s Hydraulic Excavators.
• Before operating the machine, operators must thoroughly read and understand all Safety, Operation and Maintenance
instructions found in this manual. Failure to follow the instructions given in this manual may lead to serious
injury to persons and or equipment failure.
• Operators and persons working with this machine should continually study this manual until proper Safety, Operation
and Maintenance procedures are completely understood.
• This manual describes the basic operating techniques. Skill is gained as the operator utilizes these techniques
and perfects them with an actual machine.
• Some illustrated pictures may be different from your machine, as technical improvement is continuous, manuals
are periodically updated to reflect these changes.
• This manual may not contain attachments and optional equipment that are available in your area. Please contact
an approved Dealer for any optional attachments required.
• It is expressly noted that this manual is written on the presupposition that the genuine manufacturer’s parts are
to be used, not including cases where parts locally procured were used and/or the machine was arbitrarily modified
by the user locally.
• Materials and specifications are subject to change without notice.

TABLE OF CONTENTS:

Case CX20B CX22B & CX27B Mini Excavators Operator’s Manual 6-83372 – PDF DOWNLOAD

FOREWORD
GENERAL…………………………………………………………………………………………………………. 0-1
PERIODIC INSPECTIONS ………………………………………………………………………………….. 0-1
NOTICE…………………………………………………………………………………………………………….. 0-1
FOR ORDERING ……………………………………………………………………………………………….. 0-2
1. SAFETY PRECAUTIONS
1.1 GENERAL SAFETY INFORMATION …………………………………………………………….. 1-3
1.2 SAFETY PRECAUTIONS…………………………………………………………………………….. 1-4
1.3 PRE-START SAFETY …………………………………………………………………………………. 1-6
1.4 SAFETY DURING OPERATION …………………………………………………………………… 1-12
1.5 INSPECTION & MAINTENANCE SAFETY …………………………………………………….. 1-20
1.6 BATTERY SAFETY…………………………………………………………………………………….. 1-28
1.7 WARNING LABELS & DECALS……………………………………………………………………. 1-30
1.7.1 NOTICE FOR WARNING LABELS & DECALS…………………………………………. 1-30
1.7.2 LOCATION OF WARNING LABELS & DECALS……………………………………….. 1-30
1.8 PROHIBITED MACHINE OPERATION………………………………………………………….. 1-37
1.9 END OF WORK SHIFT SAFETY ………………………………………………………………….. 1-40
1.10 TRANSPORTATION …………………………………………………………………………………… 1-41
1.11 TOWING THE MACHINE…………………………………………………………………………….. 1-43
2. MACHINE FAMILIARIZATION
2.1 FAMILIARIZATION……………………………………………………………………………………… 2-3
2.2 GENERAL MACHINE NOMENCLATURE………………………………………………………. 2-3
2.3 OPERATOR’S CAB NOMENCLATURE…………………………………………………………. 2-4
2.4 COMPONENT & CONTROLS NOMENCLATURE…………………………………………… 2-6
2.4.1 MONITOR PANEL (GAUGE CLUSTER)………………………………………………….. 2-6
2.4.2 SWITCHES………………………………………………………………………………………….. 2-9
2.4.3 LEVERS AND PEDALS…………………………………………………………………………. 2-11
2.4.4 SEAT BELT …………………………………………………………………………………………. 2-16
2.4.5 CAB (OPTION) …………………………………………………………………………………….. 2-17
2.4.6 GUARD WITH LOCKING DEVICE & COVERS ………………………………………… 2-19
2.4.7 SEAT ADJUSTMENT ……………………………………………………………………………. 2-20
2.4.8 ELECTRICAL EQUIPMENT …………………………………………………………………… 2-20
2.4.9 STORAGE & OTHERS………………………………………………………………………….. 2-22
3. MACHINE OPERATION
3.1 BASIC MACHINE OPERATION……………………………………………………………………. 3-3
3.1.1 PRE-START INSPECTION ……………………………………………………………………. 3-3
TABLE OF CONTENTS
2
3.1.2 INSPECTION BEFORE OPERATION……………………………………………………… 3-4
3.1.3 CHECK BEFORE STARTING MACHINE ENGINE……………………………………. 3-9
3.1.4 STARTING AND STOPPING MACHINE ENGINE…………………………………….. 3-10
3.1.5 STOPPING MACHINE ENGINE……………………………………………………………… 3-14
3.1.6 INSPECTION AFTER STARTING MACHINE ENGINE ……………………………… 3-14
3.1.7 MACHINE WARM-UP …………………………………………………………………………… 3-17
3.1.8 MACHINE OPERATION………………………………………………………………………… 3-18
3.1.9 PRACTICES TO IMPROVE EFFICIENCY……………………………………………….. 3-25
3.1.10 MACHINE PARKING…………………………………………………………………………….. 3-29
3.1.11 CHECKING & VERIFICATION AFTER WORK …………………………………………. 3-30
3.1.12 PRECAUTIONS AFTER OPERATION…………………………………………………….. 3-30
3.1.13 MEASURES AFTER EMERGENCY STOP………………………………………………. 3-30
3.1.14 LOCKING UP WITH KEY………………………………………………………………………. 3-32
3.1.15 EMERGENCY MEASURES AGAINST SUDDEN FAILURE OF MACHINE ….. 3-32
3.1.16 CAUTION ON USING RUBBER TRACKS……………………………………………….. 3-38
3.1.17 MACHINE OPERATION IN ADVERSE WEATHER CONDITIONS ……………… 3-42
3.1.18 PRECAUTIONS WHEN STORING THE MACHINE FOR A LONG PERIOD … 3-44
4. MAINTENANCE
4.1 GENERAL INFORMATION………………………………………………………………………….. 4-3
4.2 GENERAL SAFETY & PRECAUTIONS ………………………………………………………… 4-4
4.3 LUBRICANT, FUEL & COOLANT SPECIFICATIONS……………………………………… 4-10
4.4 FAST MOVING PARTS……………………………………………………………………………….. 4-11
4.5 ACCESSORY TOOLS…………………………………………………………………………………. 4-12
4.6 TORQUE SPECIFICATIONS FOR CAPSCREWS & NUTS …………………………….. 4-13
4.7 TORQUE SPECIFICATIONS FOR JOINTS & HYDRAULIC HOSES…………………. 4-14
4.8 INSTALLING HYDRAULIC HOSE AND PIPE JOINTS ……………………………………. 4-15
4.9 RELEASING INTERNAL PRESSURE FROM THE HYDRAULIC SYSTEM………… 4-17
4.10 BLEEDING AIR IN FUEL SYSTEM ………………………………………………………………. 4-19
4.11 REPLACEMENT OF RUBBER TRACK ………………………………………………………… 4-20
4.11.1 REMOVAL OF RUBBER TRACK……………………………………………………………. 4-20
4.11.2 INSTALLING RUBBER TRACKS……………………………………………………………. 4-21
4.11.3 CHECK AND ADJUSTMENT OF TENSION ON RUBBER TRACK……………… 4-22
4.12 INSPECTION & MAINTENANCE CHART …………………………………………………….. 4-26
4.13 WHEN REQUIRED ……………………………………………………………………………………. 4-29
4.14 PRE-START (EVERY 8 HOURS) INSPECTION & MAINTENANCE………………….. 4-39
4.15 50-HOUR (WEEKLY) INSPECTION AND MAINTENANCE ……………………………… 4-41
4.16 250-HOUR (3–MONTH) INSPECTION AND MAINTENANCE ………………………….. 4-46
4.17 500-HOUR (6-MONTH) INSPECTION AND MAINTENANCE…………………………… 4-53
TABLE OF CONTENTS
3
4.18 1000-HOUR (12-MONTH) INSPECTION AND MAINTENANCE ……………………….. 4-56
4.19 2000-HOUR INSPECTION AND MAINTENANCE…………………………………………… 4-58
4.20 INSPECTION MAINTENANCE CHECK LIST …………………………………………………. 4-66
5. TRANSPORTATION
5.1 WHEN PREPARING TRANSPORTATION PLANS …………………………………………. 5-3
5.2 LIFTING PROCEDURES FOR THE MACHINE COMPLETE (CX20B/CX22B) ……. 5-5
5.3 LIFTING PROCEDURES FOR THE MACHINE COMPLETE (CX27B) ………………. 5-6
5.4 LOAD SPECIFICATIONS…………………………………………………………………………….. 5-7
6. SPECIFICATIONS
6.1 GENERAL SPECIFICATIONS (CX20B/CX22B) ……………………………………………… 6-3
6.1.1 MACHINE DIMENSIONS (CX20B/CX22B) ………………………………………………. 6-3
6.1.2 GENERAL SPECIFICATIONS (CX20B/CX22B) ……………………………………….. 6-4
6.1.3 CRAWLER SHOE TYPE (CX20B/CX22B) ……………………………………………….. 6-5
6.1.4 BUCKET TYPE (CX20B/CX22B)…………………………………………………………….. 6-5
6.1.5 ATTACHMENT WORKING RANGES (CX20B/CX22B) ……………………………… 6-6
6.1.6 MACHINE & COMPONENTS WEIGHT (CX20B/CX22B) …………………………… 6-8
6.2 GENERAL SPECIFICATIONS (CX27B)…………………………………………………………. 6-9
6.2.1 MACHINE DIMENSIONS (CX27B)………………………………………………………….. 6-9
6.2.2 GENERAL SPECIFICATIONS (CX27B)…………………………………………………… 6-10
6.2.3 CRAWLER SHOE TYPE (CX27B) ………………………………………………………….. 6-11
6.2.4 BUCKET TYPE (CX27B) ………………………………………………………………………. 6-11
6.2.5 ATTACHMENT WORKING RANGES (CX27B)………………………………………… 6-12
6.2.6 MACHINE & COMPONENTS WEIGHT (CX27B)………………………………………. 6-14
7. OPTIONAL EQUIPMENT
7.1 OPERATION OF HYDRAULIC HAMMER AND SHEARS ………………………………… 7-3
7.1.1 SELECTION OF HYDRAULIC HAMMER AND SHEARS …………………………… 7-3
7.1.2 BEFORE OPERATING HAMMER OR SHEARS……………………………………….. 7-3
7.1.3 HYDRAULIC OIL LEVEL CHECK AND CONTAMINATION PREVENTION ….. 7-3
7.1.4 BASIC OPERATION……………………………………………………………………………… 7-3
7.1.5 SETTING SELECTOR VALVE ……………………………………………………………….. 7-5
7.1.6 SETTING STOP VALVE………………………………………………………………………… 7-6
7.2 SAFETY PRECAUTIONS…………………………………………………………………………….. 7-7
7.3 PERIODIC INSPECTION AND MAINTENANCE INTERVAL…………………………….. 7-11
8. TROUBLESHOOTING
8.1 GENERAL TROUBLESHOOTING ………………………………………………………………… 8-3

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CASE CX20B CX22B & CX27B MINI EXCAVATORS OPERATOR’S MANUAL 6-83372 – PDF DOWNLOAD:

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