Nidec LSA 49.1 Installation And Maintenance Manual

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Nidec LSA 49.1 Installation And Maintenance Manual Manual pdf 19 page image

2017.12 / p19Electric Power GenerationInstallation and maintenanceLSA 49.1Low Voltage Alternators - 4 pole3007 en -5 - SPARE PARTS5.1 - First maintenance partsEmergency repair kits are available as anoption.They contain the following items :Emergency kit AREP ALT 491 KS 001AVR R 450 -Diode bridge assembly -Surge suppressor -Single-bearing kit ALT 491 KB 002Non drive end bearing -«O» ring -Preloading (wavy) washer -Double-bearing kit ALT 491 KB 001Non drive end bearing -Drive end bearing -«O» ring -Preloading (wavy) washer -Double-bearing kit L11 ALT 491 KB 003Non drive end bearing -Drive end bearing -«O» ring -Preloading (wavy) washer -5.3 - Accessories• Space heater when stoppedThe space heater must run as soon as thealternator stops. It is installed at the rear ofthe alternator. Its standard power is 250Wwith 220V or 250W with 110V on request.Caution : the power supply is presentwhen the alternator has stopped.• Temperature probes with thermistors(PTC)These are thermistor triplets with a positivetemperature coefficient installed in thestator winding (1 per phase). There can be amaximum of 2 triplets in the winding (at 2levels : warning and trip) and 1 or 2thermistors in the bearings.These sensors must be linked to adaptedsensing relays (supplied optionally).Cold resistance of cold thermistor sensors :100 to 250 Ω per probe.5.2 - Technical support serviceOur technical support service will bepleased to provide any additionalinformation you may require.For all spare parts orders or technicalsupport requests, send your request toservice.epg@leroy-somer.com or yourclosest contact, whom you will find atwww.lrsm.co/support indicating the comp-lete type of machine, its number and theinformation indicated on the nameplate.Part numbers should be identified from theexploded views and their description fromthe parts list.To ensure correct operation and the safetyof our machines, we recommend the use oforiginal manufacturer spare parts.In the event of failure to comply with thisadvice, the manufacturer cannot be heldresponsible for any damage.After operational testing, it is essential toreplace all access panels or covers.