Cat R20T Hydra-Trac Self Contained Hydraulic Track Drill Service Manual – PDF DOWNLOAD

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Cat R20T Hydra-Trac Self Contained Hydraulic Track Drill Service Manual – PDF DOWNLOAD

CAT R20T HYDRA-TRAC SELF CONTAINED HYDRAULIC TRACK DRILL SERVICE MANUAL – PDF DOWNLOAD:

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Cat R20T Hydra-Trac Self Contained Hydraulic Track Drill Service Manual – PDF DOWNLOAD

PARTS ORDERING AND PRODUCT SUPPORT :

Use only genuine Reedrill parts in the maintenance, rebuild, or repair, of Reedrill machines. Reedrill shall have no liability as to any unauthorized modification of machines or parts and shall have no obligation or liability as to any machines or parts which have been improperly handled, or which have not been operated, maintained, or repaired according to Reedrill’s furnished manuals, or other written instructions, or which are operated with other than genuine Reedrill parts.

IDENTIFICATION OF THE MACHINE:

Always furnish the Reedrill Model Number and Serial Number when ordering parts. This information is found on the machine nameplate.
PART NUMBER AND DESCRIPTION
In addition to the Model and Serial Number, always give the part number and description of each part ordered. If there is any doubt as to the correct part number and description, furnish a dimensioned sketch or return the part to be replaced, transportation charges prepaid.
SHIPMENT
Unless otherwise instructed, all shipments will be made via motor freight collect, freight forwarder or UPS prepaid and charged on our invoice. Shipments cannot be made on open account until your credit has been approved by our accounting department.

TABLE OF CONTENTS:

Cat R20T Hydra-Trac Self Contained Hydraulic Track Drill Service Manual – PDF DOWNLOAD

INTRODUCTION
Parts Ordering and Product Support ii
Table of Contents iii
General Description
Component Location x & xi
U.S./ Metric Conversions xii
Glossary of Terms xiv
SAFETY SECTION 1
Overview of Potential Hazards 1-2
Safety Instructions 1-3
Before Operation 1-3
After Operation 1-3
Maintenance 1-4
Equipment Transfer 1-4
UNDERCARRIAGE SECTION 2
Track Tension Adjustment 2-2
Towing Procedure 2-4
Final Drive Maintenance 2-5
Swing Drive Maintenance 2-6
Undercarriage Repair 2-7
POWER TRAIN SECTION 3
Isuzu Engine 3-2
Specifications 3-2
Oil and Filter Change 3-3
Air Filter 3-4
Engine Removal and Installation 3-5
Fuel Tank 3-6
Fuel System – Isuzu Engine 3-6
Fuel Filter 3-6
Fuel System – Priming 3-7
Fuel Priming Pump Strainer – Clean 3-7
Fuel/Water Sedimentor 3-8
Fuel Contamination Control 3-8
Radiator/Oil Coolers 3-10
Inspection and Maintenance 3-10
Hydraulic Oil Cooler 3-11
Thermostat Valve Operation 3-11
Removal of Radiator/Oil Coolers 3-11
Coolant Specifications 3-12
Hydraulic Pump 3-13
Pump Removal 3-13
Pump Repair 3-13
Introduction ill
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Table of Contents
POWER TRAIN SECTION 3
Pump Installation 3-13
Oilgear PVG Piston Pump Service Manual 3-15
P-1NNF Pressure Compensator Control with Load Sense 3-35
Pump Drive 3-39
Pump Drive Removal and Installation 3-39
Pump Drive Disassembly 3-40
Inspection and Repair: 3-40
Assembly: 3-41
Lubrication: 3-41
Canopy 3-42
Removal of Canopy 3-42
HYDRAULIC AND ELECTRICAL SYSTEMS SECTION 4
Hydraulic Schematic (with UFH chain feed) 4-3
Hydraulic Schematic (with cylinder feed) 4-4
Electrical Schematic 4-5
Feed Force & Feed Flow Adjustments 4-7
Hydraulic Cylinder Repair 4-10
Texas Hydraulics Maintenance Manual 4-11
AIR SYSTEM SECTION 5
Air Compressor Air Filter 5-2
Air Compressor Oil and Filter 5-3
Changing Oil Filter 5-3
Adding Oil 5-3
Changing Oil 5-3
Compressor Oil Separator Element 5-4
Removal 5-4
Installation 5-4
Compressor Oil Strainer Maintenance 5-5
Discharge Valve 5-6
Air Compressor Hosing 5-8
Thread Greaser Hosing 5-9
Air Compressor Removal and Installation 5-10
Removal from Machine 5-10
Installation 5-10
Drive Belt Tensioning 5-10
Air Compressor Specifications 5-11
Air Compressor Assembly 5-12
Compressor Repair 5-13
Air Inlet Valve Assembly 5-13
Air End Assembly 5-14
Before Starting Repair Work 5-14
Special Tools 5-15
iv introduction
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Table of Contents
AIR SYSTEM SECTION 5
Disassembly Procedure 5-15
Inspection 5-16
Assembly Procedure: 5-17
Detergent System (optional) 5-18
Servicing the “Y” Strainer 5-18
Detergent System Freeze Protection 5-19
Drill String Grease System 5-20
Filter Maintenance and Repair 5-21
Lubricator Maintenance and Repair 5-22
Regulator Maintenance and Repair 5-24
Air Powered Grease Pump 5-26
Owner/Operator’s Manual 5-27
Filter/Regulator for Dust Collector 5-36
Maintenance and Repair 5-37
BOOM & CYLINDER FEED SECTION 6
Boom Lift Cylinder 6-2
Removal 6-2
Repair 6-2
Replace 6-2
Cylinder Bleeding Procedure and Final Installation: 6-3
Feed Dump Cylinder 6-4
Removal 6-4
Repair and Replace 6-5
Cylinder Bleeding Procedure and Final Installation: 6-5
Feed Swing Cylinder 6-6
Removal and Repair 6-6
Replace 6-7
Cylinder Bleeding Procedure and Final Installation: 6-7
Feed Extension Cylinder 6-8
Removal 6-8
Repair and Replace 6-9
Cylinder Bleeding Procedure and Final Installation: 6-9
Boom Shim/Wear Pad Replacement 6-10
Inspection 6-10
Feed and Inner Boom Tube – Removal 6-12
Feed and Feed Table – Removal from Boom 6-12
Inner Boom Tube – Removal 6-14
Boom Tube, Wear Pad & Shims Installation 6-15
Feed Table Installation 6-17
Feed Table Pivot Pin 6-18
Maintenance 6-18
Feed Assembly 6-20
Removal from Feed Table 6-20
Installation and Adjustment 6-20
Feed Cylinder – Removal 6-21
Introduction
BI116085
Table of Contents
BOOM & CYLINDER FEED SECTION 6
Hydraulic Cylinder – Repair 6-21
Feed Cylinder – Installation and Adjustment 6-22
Cable Adjustment 6-24
Drill Mounting Slide 6-26
Wear Pads – Replacement and Shimming 6-26
HPR1H-ATW Drill/Mounting Slide 6-27
Drill – Removal 67
Drill – Installation 6-27
HPR45 Drill/Mounting Slide 6-28
Drill – Removal 6-28
Drill – Installation 6-28
BOOM & UFH CHAIN FEED SECTION 6
Boom Lift Cylinder 6-2
Removal, Repair, Replace 6-2
Cylinder Bleeding Procedure and Final Installation: 6-3
Feed Dump Cylinder 6-4
Removal 6-4
Repair and Replace 6-5
Cylinder Bleeding Procedure and Final Installation: 6-5
Feed Swing Cylinder 6-6
Removal and Repair 6-6
Replace 6-7
Cylinder Bleeding Procedure and Final Installation: 6-7
Feed Extension Cylinder 6-8
Removal 6-8
Repair and Replace 6-9
Cylinder Bleeding Procedure and Final Installation: 6-9
Boom Shim/Wear Pad Replacement 6-10
Inspection 6-10
Feed and Inner Boom Tube – Removal 6-12
Feed and Feed Table – Removal from Boom 6-12
Inner Boom Tube – Removal 6-14
Boom Tube, Wear Pad & Shims Installation 6-15
Feed Table Installation 6-17
Feed Table Pivot Pin Adjustment & Maintenance 6-18
Feed Assembly (offset) 6-20
Removal from Feed Table 6-21
Installation and Adjustment 6-21
HPR45 Drill/Mounting Slide 6-22
Drill – Removal & Installation 6-22
Drill Mounting Slide Adjustment 6-23
HPR1H-ATW Drill/Mounting Slide 6-24
Drill Removal & Installation 6-25
Feed Chain Adjustment 6-27
vi introduction
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Table of Contents
BOOM & UFH CHAIN FEED SECTION 6
Traveling Hose Reel Adjustment 6-28
Timing Procedure 6-28
Hose Reel Maintenance 6-31
Feed Drive 6-32
Maintenance 6-33
Feed Drive Motor – Repair 6-35
Fairfield S1A Gear Reducer 6-45
PRESSURE SETTINGS & ADJUSTMENTS SECTION 7
Engine 7-2
Low Idle 7-2
High Idle 7-2
Main Hydraulic Pump 7-3
Standby Pressure 7-3
Main System Pressure 7-3
Drill and Positioning Valves 74
Pressure Settings 74
Procedure 74
Rotation Pressure 7-4
Feed Pressure 7-5
Hammer Pressure 7-5
Positioning Valves (Boom & Feed) 7-5
Brake/Tram Adjustment 7-6
Swing Counterbalance Valve Adjustment 7-6
Air Compressor 7-7
“Smart Drill” Valve Adjustment 7-8
Dust Collector Assembly 7-9
Function of Dust Collector 7-9
Down Draft Design 7-9
Detailed Function of System Components 7-9
Timer Setup 7-11
Manometer Setup Instructions 7-12
Introduction: 7-12
Filling: 7-12
Installation: 7-13
Reading: 7-13
Checking Filter Condition 7-13
Setting Fan Speed 7-14
Fan Removal and Installation 7-15
Removal: 7-15
Installation: 7-15
Operational Variables 7-16
Suction Air Velocities 7-16
Introduction vii
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Table of Contents
PRESSURE SETTINGS & ADJUSTMENTS SECTION 7
Degree of Difficulty 7-16
Fine Tuning 7-16
Suction Hose Blocking 7-16
Overkill Situation 7-16
Troubleshooting Hints 7-17
Air Pressure Regulator Adjustment 7-19
Air Regulator/Lubricator (grease system) 7-20
To Set Pressure: 7-20
To Set Duration: 7-20
To Set Lubricator: 7-20
Lubricator Oil: 7-20
Air Regulator/Lubricator (drill lubrication) – Optional 7-22
Vertical Indicator 7-24
Centralizer Adjustment 7-26
HYDRAULIC ROCK DRILL SECTION 8
HPR45 and HPR51 Hydraulic Rock Drill Service Manual 416421 or
HPR1H-ATW Hydraulic Rock Drill Service Manual 1418808
LUBE AND TORQUE SPECIFICATIONS SECTION 9
Hydraulic Oils for Percussion Drills 9-2
Lubrication and Inspection 9-3
Hydraulic System 9-3
Hydraulic Drill 9-3
Maintenance Schedule 9-4
Daily Operational Checklist 9-5
Bolt Maintenance 9-5
Bolt Torque Specifications 9-6
Maintenance Record 9-7

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• This is the SAME MANUAL used by the dealerships to diagnose your vehicle
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