CAT Dragline 7250 Operation & Maintenance Manual – PDF DOWNLOAD

Description

CAT Dragline 7250 Operation & Maintenance Manual – PDF DOWNLOAD

DESCRIPTION

CAT Dragline 7250 Operation & Maintenance Manual – PDF DOWNLOAD

INTRODUCTION

GENERAL INFORMATION

• This manual is a reference guide for the new operator and a review guide for the experienced operator. Basic operating procedures are described. Skills and techniques will develop as the operator gains knowledge of the machine, its capabilities, and its limitations.
• All references to RIGHT and LEFT are made from the position of the operator in his seat facing the front of machine (boom end). Your safety, and the safety of others, depends upon your knowledge and care in the operation of this machine.
• Periodic additions or revisions may be made to this manual. These will be mailed direct to you from the factory. Should you require additional information or factory service assistance, contact your regional service representative or Service Department

TABLE OF CONTENTS:

CAT Dragline 7250 Operation & Maintenance Manual – PDF DOWNLOAD

ECTION 1 INTRODUCTION a
SECTION 2 GENERAL DESCRIPTION a
SECTION 3 MARION PROGRAMMABLE SYSTEM EJ
SECTION 4 START UP PROCEDURE a SECTION 5 SPECIAL PROCEDURES E
SECTION 6 TYPICAL DIGGING CYCLE I]
SECTION 7 TYPICAL WALKING CYCLE IJ
SECTION 8 SHUT DOWN PROCEDURE IJ
SECTION TITLE PAGE NO 1 INTRODUCTION
• SAFETY PRECAUTIONS 11 • SPECIFICATION 14
• FEATURES 15
• DECK PLAN 16 2 GENERAL DESCRIPTION
• OPERATOR CAB 21 • OPERATOR SEAT ADJUSTMENT 22
• RIGHT CONTROL CONSOLE 22
• LEFT CONTROL CONSOLE 23 • CONTROLLER DESCRIPTION 25
3 MARION PROGRAMMABLE SYSTEM • ANNUNCIATOR CODE 31
• ANNUNCIATOR ALARMS 33
• OPERATOR RESPONSES 37
4 START UP PROCEDURES
• PRE START INSPECTION 41
•STARTUP 42
5 SPECIAL PROCEDURES • ENGINE ALTERNATOR PARALLEL PROCEDURE 51
• EMERGENCY RUN PROCEDURE 52
• LIMIT CONDITIONS RESET PROCEDURE 53
6 TYPICAL DIGGING CYCLE 7 TYPICAL WALKING CYCLE
• PROPELLING PROCEDURE 71
• RAMPING OF MACHINE 74
8 SHUTDOWN PROCEDURES • CONTROLLED SHUTDOWN 81
• EMERGENCY SHUTDOWN 82
• POWER SHUTDOWN 83
FIGURE PAGE NO DESCRIPTION NO
1 Machinery House Deck Plan 16 2 Operator Seat w/Consoles & Pedals 21
3 Operator Seat w/Levers 22
4 Right Hand Console a,b,c 23
5 Left Hand Console a,b,c 24
6 Controller Schematic 26
7 Annunciator Code 31 8 Left Hand Console 33
9 Table of Operator Alarms 35
10 Table of Operator Alarms 36 11 Right Hand Console 38
12 AG High Voltage Cabinet 39
13 Right Hand Console 39 14 AG Aux Start Up Panel 310
15 Right Hand Console 310
16 AG High Voltage Cabinet 311 17 Operator Seat w/Consoles & Pedals 311
18 Right Hand Console 312
19 AG Aux Circuit Breaker Panel 312
20 Electrical Paralleling Cabinet 313
21 Marion Programmable System Cabinet 314
22 Machinery House Deck Plan 42 23 Engine Instrument Panel 42
24 AC High Voltage Cabinet 43
25 Electrical Parallel Cabinet, Close Up 43 26 Engine Instrument Panel, Close Up 44
27 Engine Gen~rator Set #1 44 28 Engine Instrument Panel 45
29 Electrical Parallel Cabinet 45
30 Electrical Parallel Cabinet 46
31 AC High Voltage Cabinet 46
32 AC Aux Start Up Panel 47
33 AC Filter Fan Controls 47 34 Main Air Compressor No 1 48
35 Main Air Compressor No 2 48
36 Auxiliary Air Compressor 49 37 AC Start Up Panel, Close Up 49
38 Marion Programmable System Cabinet 410
39 Operator Seat w/Consoles 410 40 Left Hand Console 410
41 Annunciator Panel 411
42 Right Hand Console 411 43 Left Hand Console 411
44 Operator Seat w/Consoles 412
45 Annunciator Panel 412 46 Operator Seat w/Consoles 413
47 Right Hand Console 413
48 Machine Showing Drag Zero Set 414 49 Right Hand Console 414
50 Machine Showing Hoist Zero Set 414
51 Electrical Parallel Cabinet Open 51
52 Electrical Parallel Cabinet 51
53 Electrical Parallel Cabinet 52
54 Electrical Parallel Cabinet Open 52 55 Jumper Table 53
56 Annunciator Panel Rope Limit 53
57 Operator Seat w/Consoles 54
58 Right Hand Console 55
59 Machine Showing Drag Zero Set 56 60 Annunciator Panel Rope Limit 56
61 Operator Seat w/Consoles 57
62 Operator Seat w/Consoles 58
63 Operator Seat w/Consoles 59
64 Annunciator Panel Rope Limit 59
65 Operator Seat w/Consoles 510
66 Left Hand Console 511
67 Drag Cycle Controller Schematic 61
68 Hoist Cycle Controller Schematic 61 69 Hoist & Swing Cycle Controller Schematic 62
70 Dump Cycle Controller Schematic 62
71 Lower & Swing Cycle Controller Schematic 62 72 Sketch of Synchronous Dragline 64
73 Machine in Position to Walk 71
74 Operator Seat w/Consoles 71
75 Exterior Walking Components 71
76 Four Phases of Walking Step 72
77 Left Hand Console 72
78 Tub or Base in Lift Position 73
79 Exterior Walking Components 74
80 Machine Ramping Down 74
81 Operator Seat w/Consoles 81
82 AC Auxiliary Control Cabinet 81
83 Electrical Paralleling Cabinet 81 84 Engine Control Panel 82
85 Right Hand Console Emergency Stop 82
86 Right Hand Console Power Shut Down 83 87 Right Hand Console Standby Brake Control 83
INTRODUCTION •
SAFETY PRECAUTIONS 11
SPECIFICATION 14
FEATURES 15

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