Nidec LEROY-SOMER FFB Series, Руководство по обслуживанию

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OPTIONS
FFB Brake Motors Maintenance Guide
5287 en - 2019.07 / d
6.7 - Forced ventilation kit
- Exploded view
0007
0027
1405
0013
- Parts list
Item Description Qty
7 Forced ventilation 1
13 Forced ventilation cover 1
27 Cover fixing screw (item 13) 3 or 4
1405 Yoke borehole plug 1
• Disassembly, Replacement:
- Unscrew the screws 27 from the cover, remove the cover 13
fitted with forced ventilation.
When replacing the standard auto-ventilation with forced
ventilation, remove the fan 7 by removing the axial holding
circlips
9
(see §2.1), remove the extension
1401
and stop with
plug 1405 .
• Reassembly:
- Reverse the removal procedure.
6.8 - IP65 10 pin 16A connector kit
The LSES 71 to 132 4-pole motors can be fitted with a
connector compliant with UL and CSA standards as per the
following two versions:
- WMS or male version, closed with lead cover
- WMFS or full version, with female extension cover on the
side, docking brass PE ISO 25 for cable entry (not supplied)
between 12.5 and 18 mm.
See connection diagram § 8.
6.9 - Particular conditions of use
- Thermal protections (§8)
- Heating resistors (§8)
- Surface temperatures:
As standard, the maximum temperature of our brake motors
is +125°C with a maximum ambient temperature ≤ +40°C.
Without derating the brake motor, the maximum surface
temperature shall be:
• +135°C if 40°C ≤ 50°C
• +145°C if 50°C ≤ 60°C
Caution: The motor's surface temperature
during operation requires wearing PPEs when
handling parts and during maintenance
operations.
- Maintenance of main bearings:
When detecting the following on the brake motor:
• abnormal noise or vibrations,
• abnormal heating on the bearing, check their condition.
Change damaged bearings as soon as possible to prevent
additional damage to the brake motor and driven devices.
When one bearing requires to be changed, also change the
other bearing. The floating bearing shall ensure expansion of
the rotor shaft (check its identification upon disassembly).
Always change the sealing gaskets when changing the
bearings.
- Sealing
After removing the bleeding plugs, refit them to ensure
the brake motor achieves the IP55 protection rating.
Non-ventilated brake (IC410) : using the brake exclusively
as a parking brake. Service braking is forbidden.
Dust must be removed regularly to prevent it from building up.
For motors with voltages other than the catalogue standard,
with low voltage starting or running under variable voltage
or frequency: separate brake supply is required. (Also in the
case of a 20V DC coil).