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4

 

INSTALLATION AND MAINTENANCE

 

X20 – 30 – 36  – AC GEARLESS

 

LEROY-SOMER

 

3141 en - 02.1999/ a

 

4.5 - Brake adjustment

 

Before carrying out the adjustments, disconnect
the brake supply.

 

4.5.1 - Spring adjustment

 

Adjust the 

 

 

l

 

 dimension of the springs (see figure 3) to obtain

the braking torque complying with the elevator code in use.
Maximum values for 

 

 

l

 

 are in technical catalogue.

- Unlock the counter nuts 

 

45

 

 and 

 

151

 

.

- Adjust the spring length to 

 

 

l

 

 with counter nuts 

 

45

 

.

- Lock the counter nuts 

 

45

 

 and 

 

151

 

 

4.5.2 - Plunger stroke adjustment

 

Dimension x must be adjusted around 11 mm to obtain
0.1mm minimum air gap between the brake shoe and drum
(see figure 4 and drawing page 6 and 7):
- Dismantle the brake covers 

 

83

 

.

- Unlock the counter nuts 

 

55

 

.

- Use screws 

 

41

 

 to enable a wedge of x mm thickness to slide

under the plunger head. Adjust both side of the brake at the
same time.
- Lock the counter nuts 

 

55

 

.

- Reassemble the brake covers.

Once the adjustment is done, connect the brake supply.

 

Release the mechanical system which immobilized the
car before the adjustments.

 

4.6 - Filter

 

Motors are fitted with filter 

 

F

 

 to protect the gearless machine

from dust. Remove the filter 

 

F

 

  after cleanning the machine

room and the hoist way when the building is beginning to be
inhabited.

 

5 - SERVICING

 

5.1 - First operation

 

Check that electrical machinery is properly grounded
before carrying out the first operation to protect the

staff from electric shock.

 

Run the machine and check the following points:
- abnormal noise,
- vibrations,
- action of switch contacts,
- all fixings and electrical connections are fully tightened,
- the state of the bearings,
- abnormal running,
- that the blower motor is rotating in the correct direction.
- Check also the currrent and the voltage on the machine
when it is running with rated load.

 

Important: never run the machine without the blower
switched on.

 

5.2 - Maintenance

 

During service visits, for an optimized life expectancy of the
machine, proceed with the following operations.

Содержание X20 AC GEARLESS

Страница 1: ...This manual is to be given to the end user X20 30 36 AC GEARLESS Installation and maintenance 3141 en 02 1999 a...

Страница 2: ...han 95 temperature between 16 and 40 C More stringent specifications can be accommodated by derating if the particular requirements are stated at the time of ordering 4 COMMISSIONING 4 1 Insulation in...

Страница 3: ...e above 4 2 2 Mechanical installation The gearless machine must be installed on a bed plate not subject to vibrations and must be secured by four M30 bolts nuts and washers The bolts must be secured o...

Страница 4: ...Reassemble the brake covers Once the adjustment is done connect the brake supply Release the mechanical system which immobilized the car before the adjustments 4 6 Filter Motors are fitted with filter...

Страница 5: ...of the operation 5 2 4 Every five years Divertor sheave bearing maintenance Unscrew the two plugs G4 Replace one of them by a grease nipple Grease with 70 to 75 g of the original grease Put the two pl...

Страница 6: ...er motor 41 2 Airgap adjustment screw 176 2 Plunger 42 2 Torque adjustment spring 177 2 Rubber 45 2 Adjustment nut 272 2 Microswitch 52 2 Brake lever 301 1 Rotor 55 2 Airgap adjustment counter nut 363...

Страница 7: ...7 INSTALLATION AND MAINTENANCE X20 30 36 AC GEARLESS LEROY SOMER 3141 en 02 1999 a DRAWINGS Fig 5...

Страница 8: ...8 INSTALLATION AND MAINTENANCE X20 30 36 AC GEARLESS LEROY SOMER 3141 en 02 1999 a Fig 6...

Страница 9: ...9 INSTALLATION AND MAINTENANCE X20 30 36 AC GEARLESS LEROY SOMER 3141 en 02 1999 a...

Страница 10: ...10 INSTALLATION AND MAINTENANCE X20 30 36 AC GEARLESS LEROY SOMER 3141 en 02 1999 a...

Страница 11: ......

Страница 12: ...LEROY SOMER 16015 ANGOUL ME CEDEX FRANCE RCS ANGOUL ME N B 671 820 223 S A au capital de 62 779 000 www leroy somer com...

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