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SK 7307
Nord Drivesystems SK 7307 User Manual
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B 1050 –
en
Industrial gear units
Operating a
nd Assembly Instructi
ons
2
Table of Contents
Default Chapter
3
Table 1: Version List B 1050
3
Table of Contents
6
1 Notes
10
General Information
10
Safety and Information Symbols
10
Explanation of Markings
10
Intended Use
11
Safety Information
12
Other Documents
13
2 Description of Gear Units
14
Type Designations and Gear Unit Types
14
Table 2: Type Designations and Gear Unit Types
14
Table 3: Versions and Options
15
Figure 1: MAXXDRIVE ® XT 2-Stage Helical Bevel Gear Unit
16
3 Assembly Instructions, Storage, Preparation, Installation
17
Transporting the Gear Unit
17
Standard Gear Units
18
Figure 2: Transport of Standard Gear Unit
18
With Motor Adapter
19
Figure 3: Transport of Gear Unit with Motor Adapter
19
With V-Belt Drives
20
Figure 4: Transport of Agitator Version Gear Unit
20
With V-Belt Drive
21
Figure 5: Transport of Agitator Version Gear Units
21
On Motor Swing Base or Base Frame
22
Figure 6: Transport of Gear Unit with Motor Swing Base or Base Frame
22
Storage
23
Long-Term Storage
23
Inspecting the Drive Unit
24
Checking the Type Plate Data
25
Figure 7: Name Plate (Example)
25
Checking the Version
26
Table 4: Explanation of Type Plate
26
Preparing for Installation
27
Installing the Gear Unit
29
Motor (Option: IEC, NEMA)
31
Table 5: IEC and NEMA Motor Weights
31
Figure 8: Centre of Gravity of Motor
32
Table 2: Transnorm Motor Weights
32
Figure 9: Fitting the Coupling to the Motor Shaft
33
Gear Unit with Hollow Shaft (Option: A, EA)
34
Figure 10: Applying Lubricant to the Shaft and the Hub
34
Figure 11: Assembly and Disassembly of the Fastening Element (Schematic Diagram)
35
Hollow Shaft with Fastening Element (Option: B)
35
Hollow Shaft with Shrink Disc Element (Option: S)
36
Figure 12: Machine Shaft Assembly for Special Hollow Shafts with Shrink Discs
37
Figure 13: Fitted Shrink Disc
38
Flange Version Gear Units (Option: F, FK, VL2/3/4/5, KL2/3/4)
39
Motor Base Frame and Motor Swing Base (Option: MS, MF)
39
Motor Mount (Option: MT)
40
Belt Drives
40
Figure 14: V-Belt Pulley (Disassembled/Assembled)
42
Figure 15: Axle Alignment (Belt Drives)
42
Internal Cooling System (Option: CC)
43
Figure 16: Cooling Cover with Cooling Coil Fitted (Schematic Diagram)
43
External Cooling System (Option: CS1-X, CS2-X)
44
Figure 17: Industrial Gear Unit with CS1-X and CS2-X Cooling Systems
44
Figure 18: Hydraulic Plan of Industrial Gear Units with CS1-X and CS2-X Cooling Systems
45
Lubricant Circulation (Option: LC, LCX)
46
Torque Supports (Option: D, ED, MS)
47
Figure 19: Permissible Installation Tolerances of the Torque Support (Option D and ED) (Schematic Diagram)
47
Oil Heater (Option: OH)
48
Brake
48
Covering Cap (Option: H, H66, FAN, MF
48
Hubs on Gear Unit Shafts
49
Figure 20: Correct Assembly of Drive Elements
49
Figure 21: Example of a Simple Pulling Device
50
Dog Coupling
51
Drive Coupling
51
Turbo Coupling
51
Dog Coupling
52
Figure 22: Switching Pin with Separate Mechanical Switch
52
Output Coupling
53
Gear Unit Monitoring Sensors
53
Subsequent Paintwork
53
4 Commissioning
54
Oil Level and Venting
54
Table 6: Oil Spaces as Delivered
54
Taconite Seal
55
Figure 23: Activation of the Pressure Vent
55
Figure 24: Testing a Taconite Seal
55
Lubricant Circulation (Option: LC, LCX)
56
Gear Unit Cooling with Fan( Option: FAN)
57
Internal Cooling System (Option: CC)
58
External Cooling System (Option: CS1-X, CS2-X)
59
Oil Heater (Option: OH)
60
Temperature Monitoring (Option: PT100)
60
Backstop / Freewheeling Coupling (Option: R, WX)
61
Figure 25: Industrial Gear Unit with Backstop (Schematic Diagram)
61
Table 7: Backstop Lift-Off Speeds SK 5..07 - SK 10..07
62
Table 8: Backstop Lift-Off Speeds SK 11..07 - SK 15..07
63
Table 9: Backstop Lift-Off Speeds SK 5..17 - SK 11..17
64
Checking the Gear Unit
65
Checklist
66
Obligatory
66
Table 10: Obligatory Checklist for Commissioning
66
Optional
67
Table 11: Optional Checklist for Commissioning
67
5 Service and Maintenance
68
Service and Maintenance Intervals
68
Table 12: Service and Maintenance Intervals
69
Service and Maintenance Work
70
Visual Inspection
71
Running Noises
71
Gear Unit Cooling with Fan (Option: FAN)
71
Heat Exchanger (Option CS2)
71
Shaft Sealing Rings
72
Figure 26: MSS7 Seal
72
Oil Level
73
Oil Level Screw
73
Figure 27: Checking the Oil Level with a Dipstick
73
Oil Inspection Glass/Oil Level Glass (Option: OSG), Oil Level Indicator (Option: OST)
74
Oil Dipstick (Option: PS)
74
Oil Level Tanks (Option: OT)
74
Figure 28: Checking the Oil Level with an Oil Dip-Stick
74
Venting
75
Vent Filter (Option: FV)
75
Cellulose Filter (Option: EF)
75
Figure 29: Vent Filter (Option FV)
75
Figure 30: Cellulose Filter (Option EF)
75
Drying Agent Filter (Option: DB)
76
Rubber Buffer (Option: ED)
76
Piping
76
Piping (Option: LC, LCX, OT)
76
Hose Lines (Option: LC, LCX, CS1, CS2, OT)
76
Oil Filter (Option: CS1-X, CS2-X, LC/LCX)
77
Bearings Is the Output Flange (Option: VL2/3/4/6, KL2/3/4/6)
77
Taconite Seal
78
Figure 31: Re-Greasing Taconite Seals
78
Changing the Oil
79
Internal Cooling System (Option: CC)
80
Bearings in the Gear Unit
80
V-Belts (Belt Drives)
81
General Overhaul
81
6 Disposal
82
Table 13: Disposal of Materials
82
7 Appendix
83
Standard Positions of the Oil Drain, Vent and Oil Level
83
Table 14: Position of Housing Options on Oil Screw Holes (Standard Installation Positions)
84
Figure 32: Numbering of Oil Screw Holes on SK 5207 - SK 10507
90
Figure 33: Numbering of Oil Screw Holes on SK 11207 - SK 15507
96
Installation Orientation
97
Helical Gear Unit
97
Bevel Helical Gear Unit
97
Figure 34: Helical Gear Unit Installation Positions with Standard Mounting Surface
97
Figure 35: Bevel Gear Unit Installation Positions with Standard Mounting Surface
97
Lubricants
98
Roller Bearing Greases
98
Table 15: Roller Bearing Greases
98
Types of Lubricant Oil
99
Table 16: Lubricant Oil Table
100
Lubricant Quantities
101
Helical Gear Units
101
Table 17: Lubricant Quantities for Helical Gear Units
101
Helical Bevel Gear Units
102
MAXXDRIVE ® XT Industrial Helical Bevel Gear Unit
102
Table 18: Lubricant Quantities for Bevel Helical Gear Units
102
Table 19: Lubricant Quantities MAXXDRIVE ® XT Bevel Gear Unit
102
Torque Values
103
Tolerances for Bolting Surfaces
103
Table 20: Torque Values
103
Troubleshooting
104
Table 22: Overview of Malfunctions
105
Leakage and Leak-Tightness
106
Table 23: Definition of Leakage According to DIN 3761
107
Repair Information
108
Repairs
108
Internet Information
108
Abbreviations
109
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Nord Drivesystems SK 7307 Specifications
General
Gear Unit Type
Helical gear unit
Voltage
400 V
Frequency
50 Hz
Efficiency class
IE3
Protection class
IP55
Mounting
Foot
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