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Standby Generator Sets

Table of Contents

SECTION PAGE
SAFETY RULES

 ................................................

1-1

INTRODUCTION .....................................................1-3

  Read this Manual Thoroughly ...................................1-3
  Operation and Maintenance ......................................1-3
  How to Obtain Service ..............................................1-3

IDENTIFICATION RECORD .....................................2-1

 Data 

Label 

................................................................2-1

EQUIPMENT DESCRIPTION ...................................3-1

Equipment Description ................................................3-1
Engine Oil Recommendations ......................................3-1
Coolant Recommendations...........................................3-1

ENGINE PROTECTIVE DEVICES ............................4-1

  High Coolant Temperature Switch ............................4-1
  Low Coolant Level Sensor .........................................4-1
  Low Oil Pressure Switch ...........................................4-1
 Overcrank 

Shutdown 

................................................4-1

 Overspeed 

Shutdown 

................................................4-1

  RPM Sensor Loss Shutdown .....................................4-1
 DC 

Fuse 

....................................................................4-1

FUEL SYSTEMS .....................................................5-1

 Fuel 

Requirements 

....................................................5-1

  Natural Gas Fuel System ..........................................5-1
  Propane Vapor Withdrawal Fuel System....................5-1
  LP Fuel System .........................................................5-1

SPECIFICATIONS ...................................................6-1

 Generator 

.................................................................6-1

 Engine.......................................................................6-1
 Cooling 

System 

.........................................................6-1

 Fuel 

System 

..............................................................6-1

 Electrical 

System 

......................................................6-1

  Cold Weather Kit .......................................................6-2
  Reconfiguring the Fuel System ..................................6-2

GENERAL INFORMATION .......................................7-1

Generator AC Lead Connections ..................................7-1
 Four-lead, 

Single-phase 

Stator 

..................................7-1

Alternator Power Winding Connections ........................7-1
 3-phase 

Alternators 

..................................................7-1

INSTALLATION .......................................................8-1

Installation ...................................................................8-1
Preparation Before Start-up .........................................8-1
 Transfer 

Switch 

........................................................8-1

 Fuel 

System 

..............................................................8-1

  Generator Set Lubrication ........................................8-1
  Prior to Initial Start-up .............................................8-1
 Engine 

Coolant 

.........................................................8-1

 Belt 

Tension 

..............................................................8-1

 Electrical 

System 

......................................................8-1

Initial Inspection for QT Genset Start-up .....................8-1
Start-up Checklist ........................................................8-2
  Preparation for Start-up............................................8-2
 Start-up 

Inspection 

...................................................8-2

OPERATION ...........................................................9-1

Generator Control and Operation ................................9-1
Operating Unit with Manual Transfer Switch ...............9-1
  Engine Start-up and Transfer ...................................9-1
  Retransfer and Shutdown .........................................9-1
Operating Unit with Automatic Transfer Switch ...........9-1

MAINTENANCE .....................................................10-1

Maintenance Performed by Authorized

   Service Facilities .....................................................10-1
  Every Three Months ...............................................10-1
  Once Every Six Months ...........................................10-1
 Once 

Annually 

.........................................................10-1

  First 100 Operating Hours ......................................10-1
  Every 500 Operating Hours ....................................10-1
  Every 800 Operating Hours ....................................10-1
Exhaust Manifold Procedure ......................................10-1
Intake Manifold Procedure .........................................10-1
Cylinder Head Procedure ...........................................10-1
Cooling System ..........................................................10-2
Overload Protection for Engine DC 

   Electrical System ....................................................10-2
Checking Fluid Levels ................................................10-2
  Check Engine Oil ....................................................10-2
 Battery 

Fluid 

...........................................................10-2

 Engine 

Coolant 

.......................................................10-2

Maintenance Owner/Operator Can Perform ................10-3
  Check Engine Oil Level ...........................................10-3
 Check 

Battery 

.........................................................10-3

 Exercise 

System 

......................................................10-3

  Inspect Cooling System ...........................................10-3
  Check Engine Coolant Level....................................10-3
  Perform Visual Inspection .......................................10-3
  Inspect Exhaust System ..........................................10-3
  Check Fan Belt ........................................................10-3
  Inspect Engine Governor ........................................10-3
  Changing Engine Oil ...............................................10-3
  Changing the Engine Air Cleaner ............................10-3
 Spark 

Plugs 

............................................................10-4

 Coolant 

Change 

.......................................................10-4

Miscellaneous Maintenance ........................................10-4
  Cleaning the Generator ...........................................10-4
 Battery 

....................................................................10-4

 Battery 

Maintenance 

...............................................10-4

 Battery 

Replacement 

...............................................10-5

SERVICE SCHEDULE ...........................................11-1
TROUBLESHOOTING ...........................................12-1

Troubleshooting Guide ...............................................12-1

NOTES
EXPLODED VIEWS & PARTS LISTS
WIRING DIAGRAMS & SCHEMATICS
WARRANTY

Content004  Rev.

 0  09/05

Содержание Guardian 005336-0

Страница 1: ...d of reliability Serial Number 1 6L 20kW Models 005336 0 005337 0 CAUTION ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLATION DEADLY EXHAUST FUMES OUTDOOR INSTALLATION ONLY Not inte...

Страница 2: ...Start up Checklist 8 2 Preparation for Start up 8 2 Start up Inspection 8 2 OPERATION 9 1 Generator Control and Operation 9 1 Operating Unit with Manual Transfer Switch 9 1 Engine Start up and Transfe...

Страница 3: ...ator is installed operated and serviced in accordance with the manufacturer s instructions and recommendations Following installation do nothing that might render the unit unsafe or in noncompliance w...

Страница 4: ...will result in damage to the generator and may also result in injury or death to utility power workers due to backfeed of electrical energy Generators installed with an automatic transfer switch will...

Страница 5: ...ard This symbol points out potential electrical shock hazard The operator is responsible for proper and safe use of the equipment The manufacturer strongly recom mends that the operator read this Owne...

Страница 6: ...is manual or to the data label affixed to the unit Generator Model and Serial Number This number is the key to numerous engineering and manufacturing details pertaining to your unit Always supply this...

Страница 7: ...y result in an engine failure NOTE For temperatures below 32 F it is strongly recom mended to use the optional Cold Weather Start Kit part number listed in the Specification Section The oil grade for...

Страница 8: ...g cranking and operating Should oil pressure drop below the 8 psi range switch contacts close and the engine shuts down The unit should not be restarted until oil is added and the AUTO OFF MANUAL swit...

Страница 9: ...sure sufficient gas pressure is available to operate the primary regulator Gas pressure at the inlet to the fuel shutoff sole noid should not exceed approximately 14 inches water column 0 5 psi Optim...

Страница 10: ...Steady State Regulation 25 Adjustments Speed Selectable Engine Lubrication System Type of Oil Pump Gear Oil Filter Full Flow Cartridge Crankcase Oil Capacity 4 U S qts COOLING SYSTEM Type Closed Wate...

Страница 11: ...switch inside the control panel must be in the LP or NG position when switching to differ ent fuels Figure 6 2 Reconfigure the Fuel System NG FUEL SYSTEM LP FUEL SYSTEM Port 1 Port 2 FUEL HOSE BRASS H...

Страница 12: ...reaker ter minal is 240V The rated voltage between each circuit breaker terminal and the neutral point 00 is 120V Figure 7 1 Four lead Single phase Stator ALTERNATOR POWER WINDING CONNECTIONS 3 PHASE...

Страница 13: ...il level in the generator gearbox if so equipped prior to initial use and at the intervals indicated by the Service Schedule The recom mended oil is SAE 90 gear lubricant Also if the engine is equippe...

Страница 14: ...on The engine should now crank and start Check voltage at the generator terminals For 3 phase units check phase rotation at the transfer switch terminals The generator phase rotation must match the ut...

Страница 15: ...ansfer handle to its UTILITY NORMAL position with load circuits connected to the utility power supply Set the standby generator s main line circuit break er to its OFF or OPEN position Start the gener...

Страница 16: ...bstructed for contin ued proper operation This includes such obstruc tions as high grass weeds brush leaves and snow Without sufficient cooling and ventilating air flow the engine generator quickly ov...

Страница 17: ...damage deterioration leaks etc Correct any discrepancies found Check hose clamps for tightness CHECK ENGINE COOLANT LEVEL See Checking Fluid Levels PERFORM VISUAL INSPECTION Complete a thorough visua...

Страница 18: ...ngine and check for oil leaks CHANGING THE ENGINE AIR CLEANER To replace the engine air cleaner simply remove the air cleaner cover and replace the air filter making sure it is positioned properly bef...

Страница 19: ...e following procedure should be followed for inspection 1 Inspect the battery posts and cables for tightness and corrosion Tighten and clean as necessary 2 Check the battery fluid level of unsealed ba...

Страница 20: ...tery cable to prevent an over current condition from burning out sensitive control panel components and circuits Following all maintenance reverse these steps to insure the unit is returned to standby...

Страница 21: ...gas engine driven units Tighten connections as necessary 6 Check the air inlets and outlets for debris Clean as necessary 7 Check the battery electrolyte level if accessible Adjust as necessary 8 Chec...

Страница 22: ...d exercise the unit at full rated load use a load bank if the site load is not enough for at least 2 hours looking for leaks loose connections or components and abnormal operating conditions Correct a...

Страница 23: ...ded in SPECIFICATIONS Engine starts then shuts down 1 Engine oil level is low 1 Check oil and add oil as needed 2 Engine is overheated 2 Check cooling system for leaks 3 Defective Low Oil Pressure Swi...

Страница 24: ...Standby Generator Sets Notes...

Страница 25: ...Standby Generator Sets Notes...

Страница 26: ...Standby Generator Sets Notes...

Страница 27: ...Standby Generator Sets Notes...

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Страница 29: ...T HEX 3 8 16 STEEL 20 022237 1 WASHER LOCK 3 8 21 057329 1 LUG SLDLSS 350 6 X 13 32 AL CU 22 057073 1 JUNCTION BLOCK 3 8 16 23 023484J 1 BUSHING SNAP SB 2000 26 24 0E3257 15 SCREW HWHTF M6 1 0 X 16 25...

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Страница 31: ...4B 4 BOLT STATOR X 16 LG 14 0A9375 4 SCREW RHM 10 24 X 2 15 022152 4 WASHER LOCK 10 16 0G0430 1 FLYWHEEL RING GEAR ASSY 1 6L 17 042558 1 KEY SQ 3 8 X 1 STEEL 18 0G1452 1 PLATE SPACER 1 6L 19 0G0965 1...

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Страница 33: ...KR DPST 125V SPD 24 0E4494 1 SWITCH RKR DPDT ON OFF ON 25 0F3215 1 DECAL CONTROL HSB 26 0F6305 2 SEAL COVER 3 18 X 12 7 X 382 27 0F6305A 1 SEAL COVER 3 18 X 12 7 X 283 28 0F5886 3 SCREW HHPM M5 0 8 X...

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Страница 35: ...6 1 0 X 20 G8 8 20 0G0932 1 GUARD FAN LH C1 21 0G0933 1 GUARD FAN RH C1 22 0C7649 1 CLAMP HOSE 38 87 23 0F7320 1 BLOCK OFF UPPER 24 0F1433 1 BRACKET 2 5L FORD WATER BOTTLE 25 076749 1 TANK COOLANT REC...

Страница 36: ......

Страница 37: ...F BATTERY 12VDC 75 AH 26 7 050331A 1 BATT POST COVER RED 8 050331 1 BATT POST COVER BLK 9 038805J 1 CABLE BATTERY BLK 1 X 30 00 10 038804N 1 CABLE BATT RED 1 X15 00 11 045771 REF NUT HEX M8 1 25 G8 YE...

Страница 38: ......

Страница 39: ...5 16 ZINC 7 022129 12 WASHER LOCK M8 5 16 8 045771 4 NUT HEX M8 1 25 G8 YEL CHR 9 071956 4 WASHER FLAT M8 10 051730 4 SCREW HHC M8 1 25 X 60 G8 8 11 021991 1 EARTH STRAP 13 026850 1 WASHER SHAKEPROOF...

Страница 40: ......

Страница 41: ...M8 1 25 27 061652 1 SCREW HHC M10 1 5 X 85 G8 8 28 057644 4 SCREW HHC M10 1 5 X 100 G8 8 29 0A7387 4 SCREW HHC M10 1 5 X 40 G10 9 30 039414 1 SCREW HHC M8 1 25 X 35 G8 8 31 022129 4 WASHER LOCK M8 5...

Страница 42: ......

Страница 43: ...0 X 10 G8 8 7 022097 5 WASHER LOCK M6 1 4 8 084543A 1 SCREW PHM M3 0 5 X 12MM 9 098783 1 LEVER STEPPER MOTOR 10 037398 2 NUT LOCK HEX 10 32 NYL INS 11 0E1326 1 ASSY CARBURETOR LINKAGE ROD 12 0A7106 1...

Страница 44: ......

Страница 45: ...1 SCREW THROTTLE PIN STOP 1 35 0E1108 1 THROTTLE ARM REWORK 1 36 033138 1 SCREW HHM 10 32 X 5 8 1 37 022152 1 WASHER LOCK 10 1 38 0E0645 1 LEVER THROTTLE STOP 1 39 034339 1 BARBED EL 90 3 8 NPT X 5 8...

Страница 46: ......

Страница 47: ...JS 19 078115 20 WASHER SELF LOCKING DOME 20 0F3890B 2 RETAINER INSULATION 820 21 0F3890 4 RETAINER INSULATION 450 22 0F7365 2 INSULATION SIDE DOOR C1 23 0F7365B 1 INSULATION REAR DOOR C1 CPL 24 0F736...

Страница 48: ......

Страница 49: ...RAP 7 0C6119 1 BOLT U 5 16 18 X 2 1 4 8 036434 3 BOLT U 5 16 18 X 2 09 9 036449 3 SADDLE 2 INCH 10 022129 8 WASHER LOCK M8 5 16 11 022259 6 NUT HEX 5 16 18 STEEL 12 038750 1 SCREW HHC M6 1 0 X 30 G8 8...

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Страница 64: ...aminated fuels oils coolants antifreeze or lack of proper fuels oils or coolants antifreeze 4 Units sold rated or used for Prime Power Trailer Mounted or Rental Unit applications as Generac Power Syst...

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