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12 Cards in this Set
- Front
- Back
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WT1
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-High Coolant Temp Switch
-Common housing with WT2, left side engine, black device, by thermostatic housing. -217+-2 F -CB101 trip, unit shutdown Causes: -Engine overload -high ambient temp -high altitude -restricted air flow -fault water pump |
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S13 & S14
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-Low Coolant Level Switch
-Upper left side of unit behind lauvers -S13 is 13 cm below top of radiator -sets off alarm due to coolant leakage -S14 is 18 cm below top of radiator -CB101 trip, unit shutdown due to coolant leakage |
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OT2
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-High Lube Oil Temp Switch
-Left side, left device on lower square heater -242 to 248 F -Alarm and light Causes: -Low oil level -high coolant temp restricted lube oil cooler |
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OP1 & OP2
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-Low Lube Oil Pressure
-Left side, black device at back of engine, common housing OP2 -Alarm and Light -39+-2 PSI OP1 -Unit shutdown -30+-2 PSI Causes: -Low Oil Level -Broken oil pump |
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FL3
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Low Fuel Level Switch
-Under Control Room floor -Parameter: 30 gal. Usable fuel left in tank -Alarm and Light (A9DS5) -Timed shutdown relay (K23) -In 35 min, CB101 trip, unit shutdown Causes: -Fuel supply not replenished -Fuel transfer pump off -Solenoid not working |
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FL4
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High Fuel Level Switch
-Under Control Room floor -Parameter: 110 gal. Usable fuel left in tank, leaves 2" air gap -Alarm and Light (A9DS6) Causes: -Fuel level switch fails -Fuel transfer solenoid fails -Fuel transfer pump "Off" fails |
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SS1, SS2 & SS3
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Speed Switch
-Left side, above PT pump, common housing -driven off the tachometer drive of PT pump SS1: 600 RPM -deenergizes M7 crank timer relay SS2: 1200 RPM -Arms K14 Shutdown relay circuit SS3: 2200 RPM -Energizes Shutdown relays K19A and K19B |
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M7
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-Cabinet A
Parameters: 4 start attempts (15 sec crank, 15 sec rest) -Alarm and Light (A9DS13) shutdown and Lockout Causes: Engine fails to start |
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SS3
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Overspeed Switch
Parameters: 2200 RPM -Alarm and light (A9DS1) -CB101 trips, L2A & L2A Air shutoff trips, fuel cutoff Reset: -reset overspeed button -relatch to the open position the air control valves -reset the auuniciator panel (must be LAST) |
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S17
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Ether Lockout Switch
-right side, ? Parameters: 40 F opens it -Prevents ether injection when coolant temp is above 40 F -Not use in our applications |
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S7
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Red Push Button
-Control panel C rear or on Remote Control Panel If pressed while operating -CB101 trips -will stop the engine by cutting off air to the turbos (L2A & L2B) -deenergizing fuel solenoid valve (L1) by disconnecting battery positive from DC Control circuits Reset: -Restart unit by resetting air control valves -Reset Annunciator |
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Emergency Shut Down Handle
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Located on unit skid, left side
-pull to operate which will close fuel valve to engine Under freq, under volt relays will open CB101 as engine decelerates Restart: -reset Annunciator faults -push handle in |
