Liebherr Tractors PR 751 OPERATION AND MAINTENANCE MANUAL – PDF DOWNLOAD

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Liebherr Tractors PR 751 OPERATION AND MAINTENANCE MANUAL – PDF DOWNLOAD

FILE DETAILS:

Liebherr Tractors PR 751 OPERATION AND MAINTENANCE MANUAL – PDF DOWNLOAD

Language : English
Pages : 68
Downloadable : Yes
File Type : PDF

TABLE OF CONTENTS:

Liebherr Tractors PR 751 OPERATION AND MAINTENANCE MANUAL – PDF DOWNLOAD

1 TECHNICAL SPECIFICATIONS 1
1 1 Diesel Engine
1 2 Cooling System
1 3 Main Hydraulic and Servo Control
1 4 Main Frame 2
1 5 Undercarriage 2
1 6 Control Platform 3
1 7 Operator’s Cab 3
1 8 Covers 3
1 9 Attachment 3
2 DIMENSIONS PR 751 5
3 TRANSPORT DIMENSIONS AND WEIGHTS 6
3 1 Basic Machine 6
3 2 Operator’s Cab 6
3 3 Sun Roof 6
3 4 Trackguard 6
3 5 Dozer Blade 6
3 5 1 R H Push Arm with Tilt Cylinder and Diagonal Braces 6
3 5 2 L H Push Arm with Tilt and Diagonal Brace 6
3 6 Angle Blade 7
3 6 1 Push Frame 7
3 6 2 Pressing Braces (2 Pieces) 7
3 7 Multiple Shank (1 Teeth) Ripper Attachment 7
3 8 Multiple Shank (3 Teeth) Ripper Attachment 7
3 9 Winch Attachment 7
3 10 Counter Weight 7
4 TECHNICAL DATA 8
4 1 Engine Installation 8
4 1 1 Engine 8
4 1 2 Air Cleaner 8
4 1 3 Coupling 8
4 1 4 Cooling System 8
4 1 5 Fuel System 8
4 1 6 Splitter Box 8
4 2 Hydraulic System 8
4 2 1 Hydrostatic Final Drive – 8
4 2 2 Attachment Hydraulics – 8
4 2 3 Control Valve 8
4 2 4 Servo Control 8
4 2 5 Servo Pump 9
-1-
4 2 6 Hydraulic Oil Tank 9
4 2 7 Hydraulic Oil Cooler 9
4 2 8 Hydraulic Oil Filters 9
4 3 Undercarriage 9
4 3 1 Final Drive 9
4 4 Electrical System 10
4 5 Cab Heater 10
4 6 Attachments 10
4 6 1 Blade Lift Cylinder 10
4 6 2 Blade Tilt Cylinder 10
4 6 3 Ripper Lift Cylinder – three Shank 10
4 6 4 RipperLiftCylinder-singleShank 10
5 CAPACITIES 11
6 V-BELTS 11
7 COLD START DEVICE 11
8 FILTER ELEMENTS 12
8 1 Engine Filters 12
8 2 Hydraulic Filters 12
8 3 Operator’s Cab Filters 12
9 ACCIDENT PREVENTION 13
9 1 Accident Prevention 13
9 2 General Safety Information 14
9 3 Crushing and Burn Prevention 15
9 4 Fire and Explosion Prevention 16
9 5 Machine Start-up Safety 16
9 6 Engine Start-up and Operation Safety 17
9 7 Machine operating Safety 17
9 8 Machine towing and pulling Safety 18
9 9 Machine parking Safety 19
9 10 Machine Transportation Safety 19
10 PRE-STARTING INSTRUCTIONS 20
10 1 Engine Oil Level 20
10 2 Coolant Level 20
10 3 Electrical System 20
10 4 Diesel Fuel Level 20
10 5 Air Cleaner 21
10 6 Hydraulic Oil Level 21
CONTROLS AND INSTRUMENTATION IN THE CAB 22-23
11 1 Operator’s Cab 22
11 2 Operator’s Seat 24
11 3 Cab Heating and Fresh Air Control 24
12 OPERATING INSTRUCTIONS 25
12 1 Start-up Procedures 25
Start-up Procedures 25
Starting Procedure using the Cold Starting Aid at low Ambient Temperatures 26
Sensors for Automatic Idling 26
Shut-Down Procedure 26
Travel Functions 27
Straight Traveling 27
Counter-Rotation on Spot 27
Turning over one track 27
Independent Final Drive Operation 28
Brake Operation 28
Deceleration 28
Towing 28
Attachment Operation 29
Blade Lifting/Lowering 29
Blade Free-Floating 29
Blade Tilting (Push Blade) 29
Blade Pitch Adjustment (Push Blade) 30
Manual Blade Angling (Angle Blade) 30
Manual Blade Tilting (Angle Blade) 30
Ripper Attachment 31
Hydraulic Cab Tilt 32
Cab-Raising 32
Cab-Lowering 32
13 MAINTENANCE OF THE PR 751 33
13 1 Diesel Engine 33
13 2 Dry Type Air Cleaners 33
13 2 1 Cleaning the Primary Element 33
13 2 2 Dry- Cleaning 34
13 2 3 Wet-Cleaning 34
13 2 4 Primary Element Inspection 35
13 2 5 Primary Element Installation 35
13 2 6 Inspection of the Air Inlet and Pre-Cleaner Section 35
13 3 Fuel Tank with Drain Cock 36
13 4 Hydraulic System 36
13 4 1 Inspection and Cleaning of the Hydraulic Oil Filter 37
13 4 2 Replacement of the Filter Element 37
In-Line High Pressure oil Filter for Servo Control 37
Oil Filters at the Travel Pump 37
Splitter box 37
Repairs on Hydraulic System 38
Hydraulic Cylinder 38
Final Drive 39
Reduction Gear 39
Travel Brakes 39
Tractor Type Undercarriage 40
Track Tension Adjustment 40
Releasing the Track Tension 40
Track Pads and Sprocket Segments 41
Check of front idler guidance 41
Cleaning of the Track Components 41
Frame oil filling roller 41
Track Chain Replacement 42
Track Chain Removal 42
Track Chain Installation 42
Electrical System 45
Battery Installation 45
Fuse Box Installation, Fuse Replacement 45
Cab Heating System 46
Attachments 46
Cutting Edges and Corner Pieces 47
Blade Mounting and Suspension 47
Ripper Shanks and Tips 47
Replacement of Wear and Tear Components 48
Piston rod preservation 48
14 SERVICE CHART 49
Daily 49
Every 250 Operating Hours 50
Every 500 Operating Hours 51
Every 2000 Operating Hours 52
Listing of Lubricants 53
Lubrication Chart 54
15 TORQUE CHART 55
16 ELECTRICAL SCHEMATIC 61

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