Terex T270 Operator, Service & Parts Manual

Terex T270 Operator, Service & Parts Manual Manual pdf 14 page image

14 T270 & T280 Super Quiet Generator Part No. 833018REV AOperator's Manual May 2007LOADING INSTRUCTIONSTo make the electrical hookup to the generatorset, observe the following set of procedures:SHUT DOWN THE GENERATOR SET BYPRESSING THE "OFF" BUTTON ON THE CAS-CADE CONTROL PANEL. SWITCH THE TOG-GLE TO THE “OFF” POSITION BEFORE MAK-ING ANY ELECTRICAL CONNECTIONS. THEMAIN GENERATOR BREAKER SHOULD BE INTHE “OFF” POSITION.• Shut down the generator set.• Connect the desired electrical apparatus to thegenerator set, while making sure no otherpower source is connected to the sameapparatus.• Restart the engine and monitor the gauges asoutlined in the "Operating Instructions" sectionunder "Starting the Engine/Generator Set".• Turn the required generator circuit breakers tothe “ON” position.• Monitor the AC Ammeter - If the needle deflectsseverely to the right and stays there,immediately turn the required generator circuitbreakers to the “OFF” position.SEVERE DEFLECTION OF THE AMMETERINDICATES A WIRING PROBLEM OR ANOVERLOAD PROBLEM. CONTINUED OPERA-TION UNDER THIS CONDITION WILL CAUSEDAMAGE TO THE GENERATOR AND/ORCONNECTED APPARATUS.The needle on the ammeter will deflect to the righttemporarily and then return to a normalreading if the unit is operating properly.OPERATING INSTRUCTIONS (Cont.)• AC Ammeter - The reading on this gaugeshould be zero since the main breaker is in the“OFF” position. Once a load is applied to thegenerator, the ammeter will produce anappropriate reading.VOLTAGE SELECTOR SWITCHOPERATIONThe TEREX Super Quiet generator sets rated areequipped with a VOLTAGE SELECTOR SWITCH.This switch can have three positions marked “480/277 - 3 Phase” and “240/139 - 3 Phase”, or “240/120 - 1 Phase”. Each position delivers a differentoutput voltage to the DISTRIBUTION LUGS. TheSELECTOR SWITCH and DISTRIBUTION LUGSare located on the DISTRIBUTION PANEL. Thefollowing instructions should be considered whenoperating the VOLTAGE SELECTOR SWITCH.• Always make sure the voltage selector switchhas been set to the desired range beforestarting the generator set.NEVER OPERATE THE VOLTAGE SELECTORSWITCH WHILE THE GENERATOR IS RUN-NING! THIS WILL RESULT IN IMMEDIATEDAMAGE TO THE SWITCH, THE GENERATOR,OR THE CONNECTED EQUIPMENT AND MAYRESULT IN SERIOUS INJURY TO THE OPER-ATING PERSONNEL.IMPROPER OPERATION OF THE GENERATORSET WILL VOID THE WARRANTY.THIS GENERATOR SET PRODUCES VOLTAG-ES THAT CAN CAUSE SEVERE SHOCK ORDEATH! ONLY QUALIFIED ELECTRICIANSSHOULD PERFORM ELECTRICAL WORK.