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DEMAG
Chain Hoists
DC-Com 2
DEMAG DC-Com 2 User Manual
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8.5.7.2
Buffer design
Buffer varia
nts
Fig. 63
1
Buffers
2
Buffer plate
3
Switch-off spring
DC-Pro
DC-Pro
-
DC-Pro
DC-Com
with operating limit switch
32)
-
DC-Com
without operating limit switch
32)
-
Load side
Chain collector box
side
Load side
Chain collector box
side
Load side
Chain collector box
side
Load side
Chain collector box
side
A
B
C
D
E
F
G
H
Tab. 62
32)
Operating limit switch
for lifting
and lowering (DC
-Com 1 - 10
reeving 1/1 optional, DC-Com
10 reeving 2/1 as standa
rd);
92
21480244/181209
91
93
Table of Contents
Default Chapter
3
Table of Contents
3
1 General
7
DC-Com Chain Hoist
7
DC-Com Documentation
7
Symbols/Signal Words
7
Information on the Operating Instructions
8
Liability and Warranty
8
Copyright
9
Use of Spare Parts
9
Definition of Personnel
9
Test and Inspection Booklet
10
After-Sales Service
10
2 Safety
11
General
11
Safety Signs on the Equipment
11
Intended Use
11
Hazards Which May be Caused by the Machine
12
Responsibility of the Owner
13
Operating Personnel Requirements
13
Personal Protection Equipment
14
Emergency Stop Device
14
Regular Inspections
14
3 Technical Data
16
Design Overview
16
Model Code
17
Selection Table
18
Electrical Key Values
20
Hoist Motor Data
20
Mains Connection Delay Fuse Links
23
Supply Lines 1
23
Hook Dimensions C
24
Noise Emission / Sound Pressure Level
26
Transport, Packing and Storage
26
Safety Instructions
26
Scope of Delivery
26
Transport Inspection
26
Packing
26
Storage
27
Surface Protection and Painting
27
Operating Conditions
28
4 Technical Description
29
Drive and Brake
29
Gearbox and Slipping Clutch
29
Chain Drive
30
Housing
30
Electrical Equipment
30
Control
30
7-Segment Display for Operating Status and Error Display
31
Software Version, Operating Hours, Number of Cycles, Operating Statuses
31
Central Service Enclosure
32
Control Pendant Height Adjustment / Control Cable
33
Control Pendant
33
Suspension
34
Trolley
36
5 Fitting
39
General
39
Safety Instructions for Assembly
39
Tightening Torques DC-Com Chain Hoist
41
Assembly Procedure
41
Connecting the Control Pendant
42
Suspending the Chain Hoist
43
Supporting Structure
43
Suspension Bracket
44
Control Cable
45
Techncal Data of the Control Cable
45
Handling the Control Cable
45
Height Adjustment of the Control Pendant
46
Mobile Control System
47
Line Connection
48
Circuit Diagrams and Control Cards
50
Circuit Diagram DC-Com 1 - 10 solo Hoist
50
Circuit Diagram with E 11 - E 34 Travel Drive
53
Control Card
53
Setting Parameters with the Control Pendant
55
General
55
Meaning of Keys
55
Meaning of Parameters
55
Starting Parameter Setting Mode
56
Setting the Lower Hook Position
58
6 Putting into Service for the First Time
59
Safety Instructions When First Putting the Unit into Service
59
Inspection Regulations
59
Inspection Prior to Putting into Service for the First Time
60
Inspections When First Putting into Service, Handing over
60
7 Operation
61
Safety Instructions for Operation
61
Switching on
62
Inspections When Starting Work
62
Functional Tests
62
Operation
63
General
63
Emergency Stop
66
Taking out of Service
67
Taking out of Service in the Case of Faults
67
Taking the Hoist out of Service on Finishing Work
67
Taking the Unit out of Service for Maintenance and Repairs
67
8 Maintenance/Repair
68
Safety Instructions for Maintenance/Repair
68
Basic Information on Maintenance
69
Routine Inspections
70
Prescribed Inspections
70
Service Life of the Contactor
70
Measures for Achieving Safe Working Periods S.W.P
71
General
71
Calculating the Actual Duration of Service S
71
Example: DC-Com 10-1000 1/1 H5 V4/1 in 1Am
72
General Overhaul GO
74
Inspection and Maintenance Schedule
74
Maintenance Work
76
Suspension
76
Electrical Equipment Cover
76
Dismantling the Chain Collector Box
77
Operating Limit Switch (as Standard for DC-Com 10 Reeving 2/1)
77
Checking the Operating Limit Switches
77
Checking the Operating Limit Switch Actuator
78
Chain Drive
79
Checking the Sprocket Wheel
79
Checking the Chain Guide
79
Checking the Guide Plate
79
Checking the Hoist Chain
79
Scope of Supply Chain Set
82
Available Hoist Chains
83
Replacing the Chain Set
84
Lubricating the Hoist Chain
87
Load Hook
88
Checking the Load Hook
88
Checking the Return Sprocket
88
Replacing the Hook Assembly, Reeving 1/1
89
Replacing the (Standard) Bottom Block with Internal Switch-Off Springs, Reeving 2/1
90
Replacing the (Optional) Bottom Block with External Switch-Off Springs, Reeving 2/1
91
Buffer (Only with Optional Operating Limit Switches for DC-Com 1-10 Reeving 1/1)
91
Checking the Swich-Off Buffer / Switch-Off Spring
91
Buffer Design
92
Brake
94
Brake Assignment
94
Check Brake Wear
94
Slipping Clutch
96
Checking the Slipping Clutch
96
Adjusting the Slipping Clutch
96
Gearbox / Oil Change
97
Replacing the Contactor on the Control Card
98
Replacing Cables
100
Replacing the Control Cable
100
9 Faults / Warnings
102
Safety Instructions for Faults / Warnings
102
7-Segment Display
103
General Messages
103
Warning Messages
104
Error Messages
105
10 Disassembly / Disposal
106
General
106
11 Accessories
107
Assemblies
107
12 Spare Parts
108
12.1 Overview
108
12.2 Motor
109
12.3 Parts on Gearbox
110
12.4 Chain Drive
112
12.5 Hook Assembly
114
Bottom Block with Internal Switch-Off Springs (Standard)
115
Bottom Block with External Switch-Off Springs (Option)
116
12.8 Electrical Equipment Cover
117
12.9 Control Pendant, Control Cable, Service Cover
118
Index
119
4
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DEMAG DC-Com 2 Specifications
General
Brand
DEMAG
Model
DC-Com 2
Category
Chain Hoists
Language
English
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