Generac 0043736 User Manual

POWER SYSTEMS, INC.®®Owner’s ManualLiquid-cooled, Prepackaged Standby GeneratorsModels: 0043736(40 kW/Single-phase w/200 Amp TransferSwitch)0046265(40

8 Generac®Power Systems, Inc.If an open bottom is used, the engine-generator isto be installed over non-combustible materialsand should be located suc

Generac®Power Systems, Inc. 9Figure 2.1 – Basic Standby Electric System2.2 EMERGENCY CIRCUIT ISOLATIONMETHODThis method prevents overloading the gener

10 Generac®Power Systems, Inc.2.7 BATTERY INSTALLATIONStandby generators installed with automatic trans-fer switches will crank and start automaticall

2.8 PREPARATION BEFORE START-UPThe instructions in this section assume that the standbygenerator has been properly installed, serviced, tested,adjuste

12 Generac®Power Systems, Inc.3.1 CONTROL CONSOLE COMPONENTSThe components of a liquid-cooled generator controlconsole (Figure 3.1) are as follows:Fig

3.2.2 “OFF” POSITIONThis switch position shuts down the engine. This posi-tion also prevents operation.3.2.3 “MANUAL” POSITIONSet the switch to MANUAL

Figure 3.2 – Engine Block HeaterRefer to applicable wiring diagram(s) and electricalschematic(s) at the back of this manual for wiring con-nections.3.

4.2 CHANGING THE ENGINE OIL ANDFILTER4.2.1 ENGINE OIL RECOMMENDATIONSUse oil of API Service Class SG, SH or SJ. The recommended oil grade for the engi

16 Generac®Power Systems, Inc.4.4 SPARK PLUGSReset the spark plug gap or replace the spark plugs asnecessary. See Section 4.12.1. Clean the area aroun

Generac®Power Systems, Inc. 174.7 OVERLOAD PROTECTION FORENGINE DC ELECTRICAL SYSTEMEngine cranking, start-up and running are controlled bya solid-sta

Generac®Power Systems, Inc.INTRODUCTIONThank you for purchasing the Guardian product lineby Generac Power Systems. This model is a compact,high perfor

18 Generac®Power Systems, Inc.4.11 OUT OF SERVICE PROCEDURE4.11.1 REMOVAL FROM SERVICEIf the generator cannot exercise every seven days, and itis to b

Generac®Power Systems, Inc. 19Section 4 — MaintenanceGuardian Liquid-cooled 40 kW Generator4.12 SERVICE SCHEDULEATTENTION: It is recommended that all

20 Generac®Power Systems, Inc.Section 5 — TroubleshootingGuardian Liquid-cooled 40 kW Generator5.1 TROUBLESHOOTING GUIDEPROBLEM CAUSE CORRECTIONThe en

Generac®Power Systems, Inc. 21Section 6 — Installation DiagramGuardian Liquid-cooled 40 kW GeneratorDrawing No. 0E7015

S16S150002191502291413791415151568456856986TS1HZ - FREQUENCY METERHZTB1 - TERMINAL BLOCKSLEGENDGCBGCB - GOVERNOR CONTROL BOARDBLUEBLUEREDBLACKP/N 986

Generac®Power Systems, Inc. 23ACTUATORBROWNORANGEYELLOWBLACKN.C.TO GOVERNORHMCPEHTS1, TS2 - TERMINAL STRIPSLPC - LOWER PANEL CONNECTIONTS2R1 - RESIST

AAMVML11512356241BA1711321657D14119CAPE34TO LOWER PANEL (CONNECTOR CP)UJBTSWVHXOGANQMEKFCD4510123TO ENGINE (CONNECTOR EH)61112117+219153181614-+-+-CON

Generac®Power Systems, Inc. 25S15N00P178KMS123N2N1T1SRT2X194GFBE6S16215758S3N1N2T223194CUSTOMER CONNECTIONCUSTOMER CONNECTION120/240V. 1-PHASEE1 TO E

N.C.EHHMCP8556BLACKAVR1413148556850465N2N114131414138508556REDPFC148585644BLACKTR1BLUEBLACKBLUEREDBLUE239T2T1225A015CT2T117815E1485176L1-S16229S1515T2

Generac®Power Systems, Inc. 27BJXWSTVUAONMQFKGHECD5436CAPL189121011127PSW - SWITCH, PHASE SELECTORSW2 - SWITCH, SET EXERCISE SW1 - SWITCH, AUTO/OFF/MA

Table of ContentsGuardian Liquid-cooled 40 kW GeneratorGenerac®Power Systems, Inc. 1Introduction ...Inside Front CoverRead This M

(-)(+)(+)12312EC1OS**FSWHITEEHGREENBLACKLEGEND:ONLY USED ON EMISSIONS MODELS12131110895762431BAT13ALT13BLACKGND013*SM16REDRED16BAT:EC1:CC:EH:FS:GND:IC

Generac®Power Systems, Inc. 29TCALTID(+)(-)14ACT*012V BATTERY0HCT85WLS0160161CCMP185*LOSFS1611605679/CLEAR0/BARE0/BLACK08508501479131412386457EC110912

30 Generac®Power Systems, Inc.Section 8 — Exploded Views and Parts ListsGuardian Liquid-cooled 40 kW GeneratorsMounting Base - Drawing No. 0E697626243

Generac®Power Systems, Inc. 31ITEM PART NO. QTY. DESCRIPTION1 0E6900 1 MTG BASE 4.3L D/D PRE-PACK2 038804T 1 CABLE BATT RED #1 X 31.003 055414 1 LUG S

32 Generac®Power Systems, Inc.22FRAMEBASE32911336253031142429232618515393433321212119281819610517295111311102142167Section 8 — Exploded Views and Part

Generac®Power Systems, Inc. 33ITEM PART NO. QTY. DESCRIPTION1 0C3594 10 ASSEMBLY M6 HINGE3 0A3359 40 SCREW BHSC M6-1.0 X 16 SS4 0A3360 40 SHAKEPROOF I

34 Generac®Power Systems, Inc.531214VIEW A-A1718162019515239318151352535935565455565741184950216436263760AA9515253602343294261612428254127504945463INS

Generac®Power Systems, Inc. 35ITEM PART NO. QTY. DESCRIPTION1 0D5488 1 PANEL BTM & BACK CONTROLPANEL2 0D1521A 1 CONTROL PANEL, FRONT W/ SILKSCREEN

36 Generac®Power Systems, Inc.Section 8 — Exploded Views and Parts Lists(Model No. 0046262, 0046263 & 0046264) Guardian Liquid-cooled 40 kW Genera

Generac®Power Systems, Inc. 37ITEM PART NO. QTY. DESCRIPTION1 0D7397 1 PNL BTM & BACK CNTL PNL 046262 0D1521A 1 CONTROL PANEL FRONT W/ SILKSCREEN3

2 Generac®Power Systems, Inc.Study these SAFETY RULES carefully before installing,operating or servicing this equipment. Become familiarwith this Owne

38 Generac®Power Systems, Inc.Section 8 — Exploded Views and Parts ListsGuardian Liquid-cooled 40 kW GeneratorsConnection Box – Drawing No. 0E6892-A

Generac®Power Systems, Inc. 39Section 8 — Exploded Views and Parts ListsGuardian Liquid-cooled 40 kW GeneratorsConnection Box – Drawing No. 0E6892-AIT

40 Generac®Power Systems, Inc.1521SCROLL DETAILTHREAD IN SENSOR (6) UNTIL CONTACTIS MADE WITH RING GEAR, THEN BACK OFF1/2 TO 3/4 TURN AND TIGHTEN NUT.

Generac®Power Systems, Inc. 41Section 8 — Exploded Views and Parts ListsGuardian Liquid-cooled 40 kW GeneratorsGenerator – Drawing No. 0E6891ITEM PART

42 Generac®Power Systems, Inc.Section 8 — Exploded Views and Parts ListsGuardian Liquid-cooled 40 kW GeneratorsEngine – Drawing No. 0D6980-B

Generac®Power Systems, Inc. 43ITEM PART NO. QTY. DESCRIPTION1 0A9046 1 ENGINE 4.3L GM2 0A9118A 1 FLYWHL 4.3L GM SAE3 070022 1 WASHER STAR M12 EXT4 0A6

44 Generac®Power Systems, Inc.1240246313237344202345434022783613510113319314353341430284427912143254640412617163815472Section 8 — Exploded Views and P

Generac®Power Systems, Inc. 45ITEM PART NO. QTY. DESCRIPTION1 0A9046 1 ENGINE 4.3L GM2 0A4084 2 MOUNT, ENGINE (R & L)3 0A4239 1 PULLEY CRANKSHAFT4

17KIT PART NO. 0D7947201819KIT PART NO. 0D7948303133353432379101114163938362740291101627"A"221537242223TO "A"KIT PART NO. 0D812110

Generac®Power Systems, Inc. 47ITEM PART NO. QTY. DESCRIPTION1 0D7825 1 RADIATOR COPPER BRASS2 0D8251 1 FAN GUARD BOTTOM3 0D8252 1 FAN GUARD TOP4 02465

Generac®Power Systems, Inc. 3• Inspect the generator regularly, and promptly repairor replace all worn, damaged or defective parts usingonly factory-a

ITEM PART NO. QTY. DESCRIPTION1 059902A 1 CAP RAIN 2.50 / 2.692 0C9641 1 TUBE STRAIGHT 'A' GROUP3 0C9650 1 MUFFLER 2-1/2" INLET/OUTLET4

Generac®Power Systems, Inc. 49ITEM PART NO. QTY. DESCRIPTION1 037561 1 NUT WING 1/4-20 NYLK2 0A4632A 1 PLATE AIR CLEANER TOP3 0A4637 1 FILTER AIR 11.5

Section 8 — Exploded Views and Parts Lists(Model No. 0043733, 0043734 & 0043735) Guardian Liquid-cooled 40 kW Generators4.3L Nat. Gas Fuel System

Generac®Power Systems, Inc. 51ITEM PART NO. QTY. DESCRIPTION1 065907 1 SUPPORT SOLENOID NAT GAS2 026812 3 ELBOW 90D 3/4 NPT3 028238 2 BOLT U 5/16-18 X

52 Generac®Power Systems, Inc.2436MANIFOLDTO INTAKE3822394333123031441344035292837COVERTOVALVEATTACH TOFAN SCROLLASSEMBLYP/N 0D35092133122442517202241

Generac®Power Systems, Inc. 53ITEM PART NO. QTY. DESCRIPTION1 065907 1 SUPPORT SOLENOID NAT GAS2 026812 3 ELBOW 90D 3/4NPT3 022259 4 NUT HEX 5/16-18 S

54 Generac®Power Systems, Inc.Section 8 — Exploded Views and Parts Lists(Model No. 0046262, 0046263 & 0046264) Guardian Liquid-cooled 40 kW Genera

Generac®Power Systems, Inc. 55ITEM PART NO. QTY. DESCRIPTION1 059902A 1 CAP RAIN 2.50 / 2.692 0C9641 1 TUBE STRAIGHT 'A' GROUP3 0D4208 1 MUF

56 Generac®Power Systems, Inc.Section 8 — Exploded Views and Parts Lists(Model No. 0043733, 0043734 & 0043735) Guardian Liquid-cooled 40 kW Genera

Generac®Power Systems, Inc. 57ITEM PART NO. QTY. DESCRIPTION1 0C4905 1 BARBED EL 45 FITTING2 057822 2 CLAMP HOSE #8 .53-1.003 077043E 1 CONDUIT FLEX 1

4 Generac®Power Systems, Inc.1.1 UNPACKING/INSPECTIONAfter unpacking, carefully inspect the contents for dam-age. • This standby generator set has bee

58 Generac®Power Systems, Inc.Section 9 – NotesGuardian Liquid-cooled 40 kW Generators

Generac®Power Systems, Inc. 59Section 9 – NotesGuardian Liquid-cooled 40 kW Generators

60 Generac®Power Systems, Inc.Section 10 – WarrantyGuardian Liquid-cooled 40 kW GeneratorsCALIFORNIA EMISSION CONTROL WARRANTY STATEMENTYOUR WARRANTY

Generac®Power Systems, Inc. 61Section 10 – WarrantyGuardian Liquid-cooled 40 kW GeneratorsEMISSION CONTROL SYSTEM WARRANTYEmission Control System Warr

Part No. 0E7018 Revision A (10/08/03) Printed in U.S.A.Section 10 – WarrantyGuardian Liquid-cooled 40 kW GeneratorsGENERAC POWER SYSTEMS STANDARD &quo

1.6 MAIN CIRCUIT BREAKERThe generator’s main circuit breaker is included with theunit as shipped from the factory. The breaker for eachunit is describ

6 Generac®Power Systems, Inc.1.8.2 GENERATOR AND LOAD COMPATIBILITYThe generator must be fully compatible with the ratedvoltage, number of phases and

1.10 ENGINE OIL RECOMMENDATIONSThe unit has been filled with 15W-40 engine oil at thefactory. Use a high-quality detergent oil classified “ForService