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5 Inspection and maintenance

LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement

za-o.2.8.41-us-1.1

June 2022

Page 23

-o.

-us

-1

The thickness and number of windings of the pressure screws may vary.

It is therefore essential to symmetrically distribute the pressure springs in the coil carrier.

Equip the coil carrier (2) with the correct new pressure spring set.

Place the anchor plate (4) on the coil carrier or compression springs, (observe the

installation position, with size 16 to 60, use fastening screws (1) as a centring aid if

necessary).

10.

Press the anchor plate (4) down against the spring force (e.g. with a spindle press)

and screw in the shoulder screws with the tightening torque specified in the table.

11.

Clean the friction surface of the anchor plate (4) with isopropyl alcohol

so that this is

clear of grease.

12.

For final tasks, see the

Replacing the brake rotor

section.

Hoist motor brake type

Fastening screw (1)

tightening torque

Shoulder screws (5)

[Nm]

RSM 16

9.0

2.0

RSM 32

3.5

RSM 60

22.0

5.6

Replacing the hub

Remove the brake rotor, see the

Replacing the brake rotor

section.

(11)  Hub
(12)  Retaining ring
(13)  Retaining ring
(14)  Motor shaft

Remove the retaining ring (13).

Pull the hub (11) off the motor shaft (14).

Put on a new retaining ring (12). Ensure that the retaining ring engages in the groove.

Push the new hub (11) onto the motor shaft (14).
–

The turned side of the hub (11) must point towards the end of the motor shaft.

–

The new hub (11) must rest against the inner retaining ring (12) so that the outer

retaining ring (13) can be fitted.

Mount the retaining ring (13). Ensure that the retaining ring engages in the groove.

Install the brake rotor, see the

Replacing the brake rotor

section.

Содержание 4H42

Страница 1: ...LS Open Loop Vector Motor 4H42 4H71 4H72 Manual Supplement Part Number za o 2 8 41 us 1 1 August 2022 2022 Columbus McKinnon Corporation ...

Страница 2: ......

Страница 3: ...ories and spare parts 11 2 3 7 Transport and storage 12 2 3 8 Decommissioning 12 2 3 9 Disposal 12 3 Product overview 13 3 1 Standards and directives 13 3 2 Design overview 13 3 2 1 Rating plate 13 4 Troubleshooting 14 5 Inspection 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 roto...

Страница 4: ...nformation texts drawings figures and other representations contained within them are copyright protected and subject to industrial property rights It is prohibited to produce any form of duplicate copy including excerpts and to exploit and or disclose the contents without the written consent of the manufacturer Infringe ments will be subject to compensation for damages Further rights reserved Cop...

Страница 5: ...nstructions before commencing the work Competent person A competent person is anyone who due to their professional training professional experi ence and recent professional activity possesses the requisite skills and expertise to test equipment Competent persons with the authority to undertake work on our products are service technicians of the manufacturer and trained certified service technician...

Страница 6: ...d action and are structured as follows SIGNAL WORD Type and source of danger possible consequences if disregarded Measures to prevent the danger 2 1 3 Signal words The following signal words are used in warning messages Signal word Meaning DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a hazardous situation which if not avoided ...

Страница 7: ...ion in the enclosed technical documentation must be observed Work must be carried out by a competent person Work must be carried out by a competent person qualified electrician Bolted connections must be tightened to the prescribed tightening torques 2 2 Further symbols Symbol Meaning Important note Required action 1 2 Required actions must be performed in the indicated order Result of a required ...

Страница 8: ...regulations the occupational safety acts and environmental provisions must be observed All damage and defects on the product must be reported to the supervisor responsi ble immediately The product must not be used until the defects have been remedied Signs labels or pictograms that are applied to the product must be observed and must not be removed Damaged signs labels or pictograms must be replac...

Страница 9: ...e of the product in applications for which it is not intended Impermissible changes and modifications Operation in a damaged condition Improperly performed repairs 2 3 3 User obligations The user must ensure the following Personnel are qualified and trained regularly All persons who work on or with the product have read and understood the associated instructions Planning assembly and electrical in...

Страница 10: ...Safety shoes For protection against heavy falling parts and slipping on slippery surfaces Wear in unusual environmental conditions Safety eyewear To protect the eyes from any stray flying parts and splashes of liquid Hearing protection To protect against hearing damage Safety helmet For protection from falling parts Safety gloves only if there is no entanglement hazard To protect hands from fricti...

Страница 11: ...1 2 3 5 Changes and modifications Only carry out changes and modifications to the product with written approval from the manufacturer 2 3 6 Mounting accessories and spare parts Impermissible mounting accessories and inadmissible spare parts may impair safety Only use original mounting accessories and original spare parts from the manufacturer ...

Страница 12: ...e range Protect from direct sunlight Avoid mechanical vibrations Observe additional information on the product or packaging 2 3 8 Decommissioning 1 Disconnect the product from the power supply 2 Dismount the product in reverse order to assembly 2 3 9 Disposal Following correct disassembly the disassembled components of the product must be submitted for recycling in accordance with the locally appl...

Страница 13: ...ion 5 Current at rated voltage 6 Power 7 Speed 8 Frequency 9 Bearing type drive end 10 Bearing type non drive end 11 Rated voltage and winding circuit 12 Hoist motor brake data 13 Motor type 14 Part number If the motor is operated at a lower power other gear mechanism group or in an operating mode specially adapted to the environmental conditions these values can be found in the following tables o...

Страница 14: ...pter section Wire rope hoist does not start motor hums Not all current phases are available Check the fuses Check supply line Testing control and switching devices Wire rope hoist does not start after prolonged downtime or starts with difficulty motor hums Hoist motor brake is stuck Check the hoist motor brake Checking the hoist motor brake Loud clack noise when switching on Air gap too great ...

Страница 15: ...achinery from the power supply and secure it against an unintentional restart Work on the motor must only be carried out on the unloaded wire rope hoist and with the bottom hook block lowered Use a lifting platform for work that cannot be carried out from the ground Use a safety harness when performing any work outside of lifting platforms Wear the prescribed personal protective equipment Secure t...

Страница 16: ...alified specialist personnel crane operators Competent person Service technician of the manufacturer Commissioning Daily before every operation Monthly Every 3 months Annually After an extended system standstill 1 year Every 10 years Technical documentation Perform a visual inspection for completeness Plates and stickers Perform a visual inspection for completeness and legibility Hoist motor Perfo...

Страница 17: ... measurement of the insulation resistance observe the operating instructions of the insulation meter used 1 Carry out the insulation resistance measurement The measured voltage is 500 V DC Minimum insulation resistance for new cleaned or repaired windings at a refer ence temperature of 40 C must be 5 MΩ The critical specific insulation resistance after long operation time is 0 5 MΩ kV 2 When reach...

Страница 18: ...fficient safety distance from the product 4 Sealing ring 5 Fastening screws 6 Stopping plug 7 Hub 8 Brake rotor 9 Anchor plate 10 Coil carrier 1 Remove the cover and fan 2 Remove stopping plug 6 with pliers 3 Measure the air gap S with a feeler gauge b When measuring the feeler gauge b must be inserted at least to the insertion depth a see table The feeler gauge must not get caught on the step Ref...

Страница 19: ... load and the load will fall This can result in serious injuries and even death Ensure that a competent person carries out the replacement work The pressure springs of the hoist motor brake must always be replaced at the same time 4 Sealing ring 5 Fastening screws 6 Stopping plug 7 Hub 8 Brake rotor 9 Anchor plate 10 Coil carrier 1 Remove the cover and fan 2 Remove the sealing ring 4 IP66 3 Dismou...

Страница 20: ...in the gearing between the brake rotor 8 and hub 7 remove the hub 7 from the motor shaft and replace it Be sure to consult the production factory before removing the hub 7 9 Replace the hoist motor brake pressure springs see Replacing the pressure springs section 10 Check the O ring of the coil carrier for damage and replace if necessary 11 Clean coil carrier 12 Assemble in reverse order work step...

Страница 21: ...e load will fall This can result in serious injuries and even death Ensure that a competent person carries out the conditioning of the friction pairing Conditioning of the friction pairing must be carried out during disassembly and assembly of the hoist motor brake when replacing the hoist motor Conditioning of the friction pairing 1 Accelerate the hoist motor to max speed without load 2 Stop the ...

Страница 22: ...ded to mark the installation position of the anchor plate before disassembly CAUTION The pressure springs push against the anchor plate injuries can result from incorrect loosening In order to remove the shoulder screws press the anchor plate against the coil carrier with larger sizes use a spindle press if necessary to avoid sudden relief of the spring pressure Observe the installation position o...

Страница 23: ...ce of the anchor plate 4 with isopropyl alcohol so that this is clear of grease 12 For final tasks see the Replacing the brake rotor section Hoist motor brake type Fastening screw 1 tightening torque Shoulder screws 5 Nm RSM 16 9 0 2 0 RSM 32 3 5 RSM 60 22 0 5 6 Replacing the hub 1 Remove the brake rotor see the Replacing the brake rotor section 11 Hub 12 Retaining ring 13 Retaining ring 14 Motor ...

Страница 24: ...August 2022 Page 24 za o 2 8 41 us 1 1 5 7 Remove the cover and fan 1 Cover 2 Screw 3 Snap ring 4 Fan 1 Remove the screws 2 2 Pull off the cover 3 Remove the snap ring 3 4 Remove the fan 5 Installation takes place in reverse order Tighten the screws 2 to the prescribed tightening torque 5 Nm b_1862a 1 2 3 4 ...

Страница 25: ...Motor 4H42 4H71 4H72 Manual Supplement za o 2 8 41 us 1 1 June 2022 Page 25 za o 2 8 41 us 1 1 6 Special tools and auxiliary equipment The following special tools and auxiliary equipment are required for the assembly and maintenance 6 1 Feeler gauge Feeler gauge ...

Страница 26: ...tion on the motors please order the motor type test certificate for the respective motor 7 1 1 Frequency controlled hoist motors 4H LS 120 Hz 120 Hz Weight Power PN Duration factor for ED Nominal speed nN Nominal current IN Power factor 208 230 V 440 480 V kg kW rpm A Cos Φ 4H42 LS 27 5 8 50 3515 23 0 10 8 0 81 4H71 LS 41 11 4 50 3490 42 0 20 0 0 84 4H72 LS 68 18 50 3535 62 0 29 7 0 84 The motors ...

Страница 27: ...38 90 45 7 3 Cable cross sections and cable lengths The maximum permitted cable lengths between the frequency converter and the motor for the standard insulation of the motors 1500 V peak and 3500 V µs are 20 m for a nominal motor voltage of up to 480 V For higher nominal voltages and longer cable lengths install a dU dt filter or sine filter between the frequency converter and the motor and desig...

Страница 28: ...rescribed tightening torques with a torque wrench Deviating tightening torques are listed in the corresponding chapters and sections of these instructions Thread Tightening torque Property class 08 8 8 8 010 9 10 9 VERBUS RIPP 100 Nm Nm Nm Nm Nm M5 6 11 M51 1 M6 8 2 10 3 19 M8 20 25 28 35 42 M10 39 49 55 69 85 M12 69 86 98 122 130 M14 109 136 152 190 M16 170 210 240 300 330 M18 232 290 328 410 M20...

Страница 29: ...NING Danger to life injury or material damage due to incorrect or faulty spare parts Use only original spare parts from the manufacturer When ordering original spare parts please always quote the serial number of the hoist When ordering please provide the following information Serial number of the hoist Part no Quantity Description Specification ...

Страница 30: ...708271 1 Motor A frame SH30 20 M1 45 Z9 230V Heater C23708201 1 Motor B frame SH40 16 20 M1 45 Z9 460V C23708251 1 Motor B frame SH40 16 20 M1 45 Z9 460V Heater C23708211 1 Motor B frame SH40 16 20 M1 45 Z9 208V C23708261 1 Motor B frame SH40 16 20 M1 45 Z9 208V Heater C23708221 1 Motor B frame SH40 16 20 M1 45 Z9 230V C23708271 1 Motor B frame SH40 16 20 M1 45 Z9 230V Heater 1 A70070209 1 Brake c...

Страница 31: ... 7 10 1 10 1 Plug 11 1 Round sealing ring 140 1 5 NM910 12 2 Retaining ring 25 1 2 DIN 471 13 A70070162 1 Bearing kit 14 2 Bearing shim 42 51 0 5 15 1 Retaining ring 80 2 5 DIN 472 16 1 Rolling bearing 6307 2Z DIN 625 17 1 Retaining ring 35 1 5 DIN 471 18 1 Shaft seal AS30 52 7 DIN 3760 19 1 Round sealing ring 70 2 NB70 20 1 Rolling bearing 6205 2RS PRE DIN 625 21 A2327003650 1 Gear motor screws 2...

Страница 32: ...50 12 M2 1 Z13 208V C23708362 1 Motor C frame SH50 12 M2 1 Z13 208V Heater C23708321 1 Motor C frame SH50 20 M1 45 Z11 230V C23708371 1 Motor C frame SH50 20 M1 45 Z11 230V Heater C23708322 1 Motor C frame SH50 12 M2 1 Z13 230V C23708372 1 Motor C frame SH50 12 M2 1 Z13 230V Heater 1 A70070211 1 Brake compl 104 120 V 230 690 V 50 Hz 1 A70070212 1 Brake compl 180 207 V 400 440 V 50 Hz 1 A70070221 1...

Страница 33: ... DIN 471 13 A70070164 1 Bearing kit 14 2 Bearing shim 42 51 0 5 15 1 Retaining ring 100 3 DIN 472 16 1 Rolling bearing 6309 2Z DIN 625 17 1 Retaining ring 55 1 75 DIN 471 18 1 Shaft seal AS45 72 8 DIN 3760 19 1 Round sealing ring 95 2 NB70 20 1 Rolling bearing 6205 2RS PRE DIN 625 21 A2727003650 1 Gear motor screws 22 4 Screw M12 35 ISO 4762 23 4 Safety washer S12 24 C333805A4 1 Terminal box kit K...

Страница 34: ...r C23708422 1 Motor E frame SH60 10 M2 1 Z13 230V C23708472 1 Motor E frame SH60 10 M2 1 Z13 230V Heater 1 A70070213 1 Brake compl 104 120 V 230 690 V 50 Hz 1 A70070214 1 Brake compl 180 207 V 400 440 V 50 Hz 1 A70070223 1 Brake compl 104 120 V 230 690 V 50 Hz HRB 1 A70070224 1 Brake compl 180 207 V 400 440 V 50 Hz HRB 2 A70070235 1 Brake rotor spare part set 3 A5674850 1 Hub 4 C333805A1 1 Cover M...

Страница 35: ...g ring 110 4 DIN 472 16 1 Rolling bearing 6310 2Z DIN 625 17 1 Retaining ring 50 2 DIN 471 18 1 Shaft seal AS49 72 8 DIN 3760 19 1 Round sealing ring 95 2 NB70 20 1 Rolling bearing 6308 2RS PRE DIN 625 21 A2727003650 1 Gear motor screws 22 4 Screw M12 35 ISO 4762 23 4 Safety washer S12 24 C333805A5 1 Terminal box kit KT LS 5241451 MTR TRMNL BOX FOR 4H72 1 Please state operating voltage frequency a...

Страница 36: ...ights reserved Za o 2 8 41 us 1 1 LS Open Loop Vector Motor 4H42 4H71 4H72 Manual Supplement 205 Crosspoint Parkway Getzville NY 14068 USA Ph 800 888 0985 716 689 5400 Fax 716 689 5644 CANADA Ph 877 264 6478 Fax 877 264 6477 www columbusmckinnon com ...

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