CAT Bucyrus MK20HE Single Boom Hydraulic Jumbo Operator & Maintenance Manual BI615906 PDF DOWNLOAD

Description

CAT Bucyrus MK20HE Single Boom Hydraulic Jumbo Operator & Maintenance Manual BI615906 PDF DOWNLOAD

FILE DETAILS:

CAT Bucyrus MK20HE Single Boom Hydraulic Jumbo Operator & Maintenance Manual BI615906 PDF DOWNLOAD

Language : English
Pages : 107
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

CAT Bucyrus MK20HE Single Boom Hydraulic Jumbo Operator & Maintenance Manual BI615906 PDF DOWNLOAD

Chapter 1 Precautionary Notes
Operator Warnings 1-1
Warnings 1-3
Equipment Cautions 1-5
Chapter 2 Introduction
MK20HE Single Boom Hydraulic Jumbo 2-1
Notes, Cautions and Warnings 2-2
Chapter 3 Operating Instructions
Warnings, Cautions and Notes 3-1
Pre-Operation and Check List3-3
Shutdown Procedure 3-5
MK20HE Startup and Operation 3-7
Trimming the Unit 3-7
Set Up For Drilling 3-9
Boom Control Console 3-11
Outrigger Control Valve3-11
Drilling Controls 3-13
Drill Operator’s Maintenance Check List 3-20
Chapter 4 Preventative Maintenance
Notes, Cautions and Warnings 4-1
General Preventative Maintenance 4-2
Lubrication and inspection 4-2
Machine set up and Pressure Settings 4-3
Factory Hydraulic Check List 4-3
Periodic Maintenance Chart 4-7
Warnings 5-1
General Description 5-3
Cable Reel 5-5
Control Panel Components 5-5
Fuses and Circuit Breakers 5-6
Electrical System Troubleshooting 5-7
Chapter 6 Component Replacement
The Auxiliary Pump 6-1
Boom Lift Cylinders 6-3
Boom Swing Cylinder 6-5
Drill Positioner Dump / Powered Dump Cylinders 6-6
Drill Positioner Swing Cylinder 6-7
Hydraulic Swing Limit 6-8
Chapter 7 Drilling Systems
HFAS Feed System 7-1
Air and Water System 7-3
Vickers PVD45 Pump – System 7 -4
Vickers PVD45 Pump – Jumbo 7-7
Vickers PVD45 Pump – Test Procedure 7-8
Theoretical Flow at Various RPM 7-8
Vickers PVD45 Pump – System Pressure Adjustment 7-11
Independent Drill Rotation Circuit 7-12
Jumbo Rotation Circuit 7-13
Rotation Pump – Test Procedure 7-15
Rotation Pump – Maximum Flow Adjustment 7-17
Hydraulic Schematic Drill Control 7-18
Hydraulic Drill Control Valve 7-19
Hydraulic Schematic Drill/ Feed I Boom 7-20
Hydraulic Schematic Outriggers and Options 7-21
Pressure Compensator Control 7-22
Drill Control System 7-22
Feed Circuit – Hydraulic Cylinder Drive 7-24
Hammer Collaring Circuit 7-26
Automatic Retract Circuit 7-28
Constant Sting Circuit 7-31
Feed Parallelism System 7-32
Parallelism Troubleshooting 7-32
Hydraulic Boom Swing Limit 7-34
Boom System Overview 7 -36
Outrigger Circuit7-37
Anti-jam System Integrated Style 7-38
Field Adjustment of the Anti-jam 7-40
Drilling With the Anti-jam 7-40
Notes 7-41
Chapter 8 Troubleshooting
Engine 8-1
Electrical System 8-2
Hydraulic System 8-3
Drifter 8-4

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DESCRIPTION:

CAT Bucyrus MK20HE Single Boom Hydraulic Jumbo Operator & Maintenance Manual BI615906 PDF DOWNLOAD

INTRODUCTION:

• A simple hydraulic systems makes the MK20HE suitable for extremely tough working conditions and provide low power consumption.
• Equipped with Reedrill hydraulic drifter, Hydra-Drill model HPR!, MD hydraulic boom and HFAS feed, this unit can be used for various mining and construction applications.
• This jumbo has a carrier driven by two-stage combustion, air cooled Deutz diesel engine model F6L-912W, with 3 speed power shift transmission, and 4-wheel drive. Electrically driven main hydraulic drilling system is equipped with variable volume piston pumps.
• MK20HE is also featured with anti-jam system, automatic drill return system, parallel drilling system and constant sting system.
• This manual provides operating instructions, a technical description of the MK20HE Jumbo, servicing and routine maintenance procedures, an explanation of the different MK20HE Jumbo systems and component replacement procedures.

 BEFORE OPERATION:
After a long transport or a period of standstill:

PLEASE NOTE:

• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
• You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
• Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted

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