LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
June 2022
Page 3
Contents
1General notes ...........................................................................................................................................................................................................4
1.1 Using these instructions ........................................................................................................................................................................................4
1.2 Copyright notice ......................................................................................................................................................................................................4
1.3 Warranty ....................................................................................................................................................................................................................4
1.4 Target audience and responsibilities ..................................................................................................................................................................5
1.5 Manufacturer ............................................................................................................................................................................................................5
2Safety-related information .....................................................................................................................................................................................6
2.1 Layout of the warning messages .........................................................................................................................................................................6
2.1.1 Section warning messages.............................................................................................6
2.1.2 Embedded warning messages.......................................................................................6
2.1.3 Signal words .................................................................................................................... 6
2.1.4 Safety alert symbols ........................................................................................................6
2.1.5 Mandatory action signs ...................................................................................................7
2.2 Further symbols.......................................................................................................................................................................................................7
2.3 Safety notes..............................................................................................................................................................................................................8
2.3.1 Intended use ....................................................................................................................8
2.3.2 Prohibited use..................................................................................................................9
2.3.3 User obligations ...............................................................................................................9
2.3.4 Personal protective equipment.....................................................................................10
2.3.5 Changes and modifications ..........................................................................................11
2.3.6 Mounting accessories and spare parts........................................................................11
2.3.7 Transport and storage...................................................................................................12
2.3.8 Decommissioning ..........................................................................................................12
2.3.9 Disposal..........................................................................................................................12
3Product overview...................................................................................................................................................................................................13
3.1 Standards and directives .....................................................................................................................................................................................13
3.2 Design overview ....................................................................................................................................................................................................13
3.2.1 Rating plate....................................................................................................................13
4Troubleshooting ....................................................................................................................................................................................................14
5Inspection and maintenance ...............................................................................................................................................................................15
5.1 Inspection and maintenance intervals ..............................................................................................................................................................16
5.2 Check the insulation resistance .........................................................................................................................................................................17
5.3 Checking the hoist motor brake .........................................................................................................................................................................18
5.4 Replacing the brake rotor ....................................................................................................................................................................................19
5.4.1 Conditioning of the friction pairing ................................................................................21
5.5 Replacing the pressure springs .........................................................................................................................................................................22
5.6 Replacing the hub .................................................................................................................................................................................................23
5.7 Remove the cover and fan ...................................................................................................................................................................................24
6Special tools and auxiliary equipment ..............................................................................................................................................................25
6.1 Feeler gauge ...........................................................................................................................................................................................................25
7Technical data ........................................................................................................................................................................................................26
7.1 Nominal motor data...............................................................................................................................................................................................26
7.1.1 Frequency-controlled hoist motors 4H..-LS 120 Hz....................................................26
7.2 Main fuses...............................................................................................................................................................................................................27
7.3 Cable cross-sections and cable lengths...........................................................................................................................................................27
8Tightening torques for bolted connections......................................................................................................................................................28
9Spare parts..............................................................................................................................................................................................................29
9.1 4H42-LS100L ..........................................................................................................................................................................................................30
9.2 4H71-LS112M..........................................................................................................................................................................................................32
9.3 4H72-LS132M..........................................................................................................................................................................................................34
