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Generac Power Systems 004373-3, 004626-2 manual

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Table of contents for the manual

  • Page 1

    POWER SYSTEMS, INC. ® ® Owner’ s Man ual Liquid-cooled, Prepac kaged Standb y Generators Models: 004373-3 (40 kW/Single-phase w/ 200 Amp T ransfer Switch) 004626-2 (40 kW/Single-phase w/ 200 Amp T ransfer Switch Calif ornia Emissions) ONL Y QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD A TTEMPT INST ALLA TION!! D ANGER *This manual should remain[...]

  • Page 2

    Generac ® Pow er Systems, Inc. I NTRODUCTION Thank you for purchasing the Guardian product line by Generac P ower Systems. This model is a compact, high performance, liquid- cooled, engine - driven gen- erator designed to automatically supply electrical power to operate critical loads during a utility power failure. This unit is factory installed [...]

  • Page 3

    T able of Contents Guardian Liquid-cooled 40 kW Generator Generac ® Pow er Systems, Inc. 1 Introduction ......................Inside Front Cover Read This Manual Thoroughly ......................IFC Contents ........................................................IFC Operation and Maintenance ............................IFC How to Obtain Service .[...]

  • Page 4

    2 Generac ® Pow er Systems, Inc. Study these SAFETY RULES carefully before installing, operating or servicing this equipment. Become familiar with this Owner’s Manual and with the unit. The gen- erator can operate safely , efficiently and reliably only if it is properly installed, operated and maintained. Many accidents are caused by failing to [...]

  • Page 5

    Generac ® Pow er Systems, Inc. 3 • Inspect the generator regularly , and promptly repair or replace all worn, damaged or defective parts using only factory-approved parts. • Before performing any maintenance on the generator , disconnect its battery cables to prevent accidental start -up. Disconnect the cable from the battery post indicated by[...]

  • Page 6

    4 Generac ® Pow er Systems, Inc. 1.1 U N P A CKI NG/I NSP E CTION After unpacking, carefully inspect the contents for dam- age. • This standby generator set has been factory installed in an all-weather , metal enclosure that is intended exclusively for outdoor installation. If this generator is used to power electrical load circuits normally pow[...]

  • Page 7

    1.6 MAI N CI RCU IT B R EAKER The generator’s main circuit breaker is included with the unit as shipped from the factory . The breaker for each unit is described as follows: 1.7 ENGI N E P RO TE CTIVE DEVICES The engine has several safety switches that cause it to automatically shut down under the following condi- tions: low oil pressure, high co[...]

  • Page 8

    6 Generac ® Pow er Systems, Inc. 1.8.1 Generator and Load Compatibility The generator must be fully compatible with the rated voltage, number of phases and frequency of the con- nected electrical loads. The generator , connected elec- trical devices, or both, can be damaged if voltage, num- ber of phases and frequency are not compatible. NOTE: Thi[...]

  • Page 9

    1.1 0 ENGI N E OI L R E COMM EN D A TIONS The unit has been filled with 15W -40 engine oil at the factory . Use a high- quality detergent oil classified “F or Service CC, SD , SE or SF .” Detergent oils keep the engine cleaner and reduce carbon deposits. Use oil hav- ing the following SAE viscosity rating, based on the ambient temperature range[...]

  • Page 10

    8 Generac ® Pow er Systems, Inc. If an open bottom is used, the engine-generator is to be installed over non-combustible materials and should be located such that combustible materials are not capable of accumulating under the generator set. Only qualified, competent installation contractors or electricians thoroughly familiar with applicable code[...]

  • Page 11

    Generac ® Pow er Systems, Inc. 9 Figure 2.1 – Basic Standby Electric System 2.2 EM ERGENCY CI RCU IT IS OL A TION M E THOD This prevents overloading the generator by keeping elec- trical loads below the wattage/amperage capacity of the generator . If the generator is powering only critical loads, within its wattage/amperage capacity , during uti[...]

  • Page 12

    10 Generac ® Pow er Systems, Inc. NOTE: When using a GTS switch, it is necessary to connect a 240V AC supply to N1 and N2 terminals of the generator to provide for battery charging . W ires T1, T2, 23 and 194 should not be connected. 2.7 B A T TER Y I NST ALL A TION Standby generators installed with automatic trans- fer switches will crank and sta[...]

  • Page 13

    2.8.1 PR IOR T O I N ITIAL ST ART -U P Prior to initially starting the generator , it must be properly pr epared for use. Any attempt to crank or start the engine before it has been pr operly serviced with the recommended types and quanti- ties of engine fluids (oil, coolant, fuel, etc.) may result in an engine failur e. Before starting the generat[...]

  • Page 14

    12 Generac ® Pow er Systems, Inc. 3.1 C ONTROL CONS OLE COMPON ENTS The components of a liquid- cooled generator control console (Figure 3.1) are as follows: Figure 3.1 – Control Console 3.1.1 AC V OL TM ETER The voltmeter displays generator AC output voltage dur- ing operation. V oltage is regulated by a solid- state volt- age regulator and is [...]

  • Page 15

    3.2.2 “OF F” POSITION This switch position shuts down the engine. This posi- tion also prevents operation. 3.2.3 “MAN U AL ” POSITION Set the switch to Manual to crank and start the engine. Transfer to standby power will not automatically occur unless there is a utility failure. With the switch set to AUTO, the engine may crank and start at[...]

  • Page 16

    Figure 3.2 – Engine Block Heater Refer to applicable wiring diagram(s) and electrical schematic(s) at the back of this manual for wiring con- nections. 3.6 WEEKL Y EXERCISE CY CLE The generator will start and exercise once every seven days. During this weekly exercise, the unit runs for approximately 20 minutes and shuts down. Transfer of loads t[...]

  • Page 17

    Figure 4.1 – Oil Dipstick and Fill 4.2 CHANGI NG TH E ENGI N E OI L AN D FIL T E R 4.2.1 ENGI NE OI L R EC OM M EN D A TIONS Use oil of API Service Class SG, SH or SJ . The recommended oil grade for the engine is SAE 15W -40. NOTE: The unit is supplied with “break-in ” oil. See the “Service Schedule,” Section 4.12 (Page 19), for the first[...]

  • Page 18

    16 Generac ® Pow er Systems, Inc. Figure 4.3 – Engine Air Cleaner See the “Service Schedule,” Section 4.12, P age 19, for rec- ommended air cleaner maintenance. 4 . 4 S P ARK PL U G S Reset the spark plug gap or replace the spark plugs as necessary . See Section 4.12, Page 19. 1. Clean the area around the base of the spark plugs to keep dirt[...]

  • Page 19

    Generac ® Pow er Systems, Inc. 17 4.6 C OOLI NG SY STEM Air intake and outlet openings in the generator compart- ment must be open and unobstructed for continued prop- er operation. This includes such obstructions as high grass, weeds, brush, leaves and snow . W ithout sufficient cooling and ventilating air flow , the engine/generator quickly over[...]

  • Page 20

    18 Generac ® Pow er Systems, Inc. 2. Inside the generator set, the chance of rodent entry into the control panel is greatly reduced by the inclusion of adjustable wire connectors. Check that the wire connector screws are tight, thus closing off any gap between the access holes and the wires. 4.1 1 OUT OF SERVICE P ROCEDU R E 4.1 1.1 R EMO V AL F R[...]

  • Page 21

    Generac ® Pow er Systems, Inc. 19 Section 4 — Maintenance Guardian Liquid-cooled 40 kW Generator 4.1 2 SERVICE S CH EDU LE A TTENTION: It is r ecommended that all service work be performed by your nearest Generac/Guar dian Authorized Dealer . SYSTEM/COMPONENT PROCEDURE FREQUENCY X = Action Inspect Change Clean W = W eekly R = Replace/Adjust as N[...]

  • Page 22

    20 Generac ® Pow er Systems, Inc. Section 5 — T roubleshooting Guardian Liquid-cooled 40 kW Generator 5.1 TROU B LE SHOO TI NG GU I DE P ROB LEM CAUSE C OR R E CTION The engine will not crank. 1. F use blown 1. Replace fuse. 2. Loose, corroded or defective 2. Tighten, clean or replace battery cables as necessary . 3. Defective starter contactor [...]

  • Page 23

    Generac ® Pow er Systems, Inc. 21 LEFT S IDE VIE W T O P O R PLAN VIE W O IL DRAI N 1 / 2" N.P.T. FEMAL E NO TE 6 NO TE 2 110 [ 4.33" ] TYP . 570 [ 22.44" ] TYP . M OU NTIN G H O LE S Ø 13.5 [ Ø 0.53" ] N O TE 7 S T U B- U P AREA S EE N O TE 8 AND C HAR T 839 [ 33.0 1 TYP 49 [ 1.92" ] TYP 8 H O LE S O N B O TT OM R677 [ [...]

  • Page 24

    A B 86 86 L OS 85 85 WT S WL S 69 69 SOP S W T 68 6 8 56 56 CC 0 1 3A D C - A 1 3 1 3 1 3 ( + ) ( - ) 12V BATTERY RED BLA CK SC SM 1 3 1 3 SC 1 6 CC 0 0 0 T O CO NTR O L PANE L TERMINAL S TRI P T O AMMETE R 0 1 3 B C BLA CK GREEN BLA CK C U S T O ME R 120 V UTILITY CO NNE C TI ON BLA CK G REE N BLA CK EH BHT G REE N WHITE BLA CK BH BLA CK WHITE G R[...]

  • Page 25

    Generac ® Pow er Systems, Inc. 23 Section 6 — Electrical Data (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generator Schematic (4.3L) – Drawing No. 0A4592-B[...]

  • Page 26

    S 1 6 S 1 5 0 0 0 2 1 9 150 2 2 9 14 13 79 14 15 15 15 68 4 56 85 69 86 T S1 HZ - FRE Q UENCY METE R HZ TB1 - TERMINAL BL OC K S LE G EN D GCB GC B - GO VERN O R CO NTR O L B O AR D BL UE BL UE RED BLA CK P / N 986 4 7 24 Generac ® Pow er Systems, Inc. Section 6 — Electrical Data (Model No. 0043 73-3) Guardian Liquid-cooled 40 kW Generator Elect[...]

  • Page 27

    Generac ® Pow er Systems, Inc. 25 AC TUAT O R B R O WN O RAN G E Y ELL O W B LA C K N . C . TO GO VERN O R HM C P EH T S1 , TS2 - TERMINAL STRIPS L P C - L O WER PANEL CO NNE C TI O N TS 2 R 1 - RESISTOR , FIELD BOOST V M - METER , AC OUTPUT VOLTAGE A VR - A U T O MATI C V O LTA G E RE GU LAT O R S W2 - S WIT C H- S ET EXER C I S E S W1 - S WIT C [...]

  • Page 28

    A AM VM L1 15 12 3 5 6 2 4 1 B A 17 1 13 2 16 5 7 D 14 11 9 C AP E 3 4 TO L O WER PANEL ( CO NNE C T O R C P) U J B T S W V H X O G A N Q M E K F C D 4 5 10 12 3 TO EN G INE ( CO NNE C T O R EH) 6 11 12 11 7 + 2 19 15 3 18 16 14 - + - + - CO NTA C T S 2 - 3 2 - 7 1 2 - 3 12 - 7 15 - 14 15 - 1 8 19 - 14 6 7 P HA S E S ELE C T O R S WIT C H 0 6 4 65 [...]

  • Page 29

    Generac ® Pow er Systems, Inc. 27 S 1 5 N 00 P 1 7 8 K M S 1 23 N2 N1 T1 S R T2 X 19 4 G F B E 6 S 1 6 2 1 5 7 58 S3 N1 N2 T2 23 19 4 CUS T O MER CO NNE C TI O N CUS T O MER CO NNE C TI O N 1 2 0/ 24 0 V. 1-PHA S E E 1 T O E 3 24 0 V. E3 T O 00 E 1 T O 00 1 2 0 V. B R US H U NIT S 4 4 33 22 E1 C B2 E3 C T1 0 11 S 1 5 0 H S 1 6 G A N 5 7 58 C T2 O [...]

  • Page 30

    N . C . EH HM C P 85 56 B LA C K AVR 14 13 14 85 56 85 0 4 6 5 N2 N1 14 13 1 4 14 13 85 0 85 56 RED P F C 14 85 85 6 4 4 B LA C K TR1 B L U E B LA C K B L U E RED B L U E 239 T2 T1 2 25 A 0 1 5 C T2 T1 1 7 8 1 5 E 14 8 5 1 7 6 L1 - S 1 6 2 2 9 S 1 5 15 T2 15 E 2 2 5 A T1 B L U E 15 S W2 15 S 1 6 14 65 S 1 5 65 S 1 6 S 1 5 6 7 15C B LA C K TS 2 N2 4[...]

  • Page 31

    Generac ® Pow er Systems, Inc. 29 B J X W S T V U A O N M Q F K G H E C D 5 4 3 6 C AP L1 8 9 1 2 10 11 12 7 P SW - SWITCH , PHASE SELECTOR S W2 - SWITCH , SET EXERCISE S W1 - SWITCH , AUTO/OFF/MANUAL T R1 - TRANSFORMER , UTILITY SENSING 24VA R 1 - RESISTOR , FIELD BOOST V M - METER , AC OUTPUT VOLTAGE L 1 - LIGHT , FAULT INDICATOR C AP - C APA C [...]

  • Page 32

    30 Generac ® Pow er Systems, Inc. Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generators Base - Drawing No. 0C4399-D *28 *27 *26 *27 *26 *28 22 21 *26 *27 *28 *27 32 33 15 18 5 6 1 12 19 11 10 6 5 12 19 11 10 14 23 24 13 17 16 31 30 3 12 To Oil Drain On Oil Pan. *27 18 16 17 13[...]

  • Page 33

    Generac ® Pow er Systems, Inc. 31 ITEM P AR T NO . QTY . DESCRIPTION 1 0C3250 1 ASSEMBL Y BASE MOUNTING (DIRECT -COUPLED) 3 055414 1 LUG SLDLSS #2-#8 X 17/64 CU 4 0A4084 2 MOUNT ENGINE (R&L) 5 022129 2 W ASHER LOCK M8-5/16 6 045771 2 NUT HEX M8-1.25 G8 YEL CHR 7 022237 6 W ASHER LOCK 3/8 8 029745 6 SCREW HHC 3/8-16 X 1 G5 10 043107 2 SCREW HHC[...]

  • Page 34

    32 Generac ® Pow er Systems, Inc. 22 FRAME BA SE 3 2 9 11 3 36 2 5 30 31 1 4 24 29 2 3 2 6 1 8 5 1 5 39 34 33 32 12 12 11 9 2 8 18 19 6 1 0 5 17 2 9 5 11 1 3 11 1 0 21 42 1 6 7 Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generators Compartment - Drawing No. 0D8992[...]

  • Page 35

    Generac ® Pow er Systems, Inc. 33 ITEM P AR T NO . QTY . DESCRIPTION 1 0C3594 10 ASSEMBL Y M6 HINGE 3 0A3359 40 SCREW BHSC M6-1.0 X 16 SS 4 0A3360 40 SHAKEPROOF INT M6 SS 5 0C2522 (A) 5 DOOR SMALL STD . WELD 6 0C2527 (A) 1 CORNER POST LH REAR 7 0C2528 (A) 1 CORNER POST RH REAR 8 0C2535 (A) 1 CORNER POST LH FRONT 9 0C2536 (A) 1 CORNER POST RH FRONT[...]

  • Page 36

    34 Generac ® Pow er Systems, Inc. 6 5 36 52 58 54 55 56 57 35 59 4 1 21 42 54 41 61 12 60 4 3 2 3 2 9 2 6 8 60 2 8 27 1 8 4 9 50 3 4 5 4 6 47 3 39 12 14 1 5 1 8 16 2 0 1 9 1 8 4 9 50 37 51 52 13 51 52 53 58 53 58 22 31 2 32 30 33 34 55 56 57 5 6 1 8 50 4 9 4 8 2 5 2 4 62 63 3 0 1 PANEL FA CE S V Hz VD C A A VIEW A - A + + - O FF A U T O MATI C ALL[...]

  • Page 37

    Generac ® Pow er Systems, Inc. 35 ITEM P AR T NO . QTY . DESCRIPTION 1 0D1523 1 P ANEL BTM & BACK CONTROL P ANEL 2 0D1521A 1 CONTROL P ANEL, FRONT W/ SILK SCREEN 3 0D1522 2 P ANEL,SIDE COVER CONTR OL P ANEL 4 067680 1 ASSY V OL T AGE REGULA TOR 60HZ 5 0C8243 1 W ASHER LOCK HDPDEUTSCH 6 0C8244 1 NUT , HDP DEUTSCH 8 048467 1 CIRCT BRK 7 X 1 ET A[...]

  • Page 38

    36 Generac ® Pow er Systems, Inc. 36 7 11 53 54 55 56 35 53 54 55 56 4 1 8 4 8 4 9 4 3 2 3 2 9 2 6 2 8 27 2 5 24 44 4 5 4 6 47 1 8 4 8 4 9 22 30 31 32 2 42 1 41 59 8 59 58 9 58 12 53 54 55 56 6 5 37 50 51 52 57 3 39 50 51 52 57 4 9 4 8 1 8 1 9 2 0 63 62 A A 4 0 21 38 61 51 51 58 58 60 7 ( IF SO EQUIPPED ) BEHIND CO VE R GO VERN O R CO NTR OL AVR B[...]

  • Page 39

    Generac ® Pow er Systems, Inc. 37 ITEM P AR T NO . QTY . DESCRIPTION 1 0D7397 1 PNL BTM & BA CK CNTL PNL 04626 2 0D1521A 1 CONTROL P ANEL FRONT W/ SILK SCREEN 3 0D1522 1 P ANEL SIDE COVER CONTR OL P ANEL 4 067680 1 ASSY V OL T AGE REGULA TOR 60HZ 5 0C8243 1 W ASHER LOCK HDP DEUTSCH 6 0C8244 1 NUT , HDP DEUTSCH 7 0A6321 1 P ANEL LEFT SIDE E 8 0[...]

  • Page 40

    38 Generac ® Pow er Systems, Inc. 1 3 ( 200A ) 4 5 44 44 4 6 ALT. 45 4 8 47 S EN S IN G LEAD S & WIRE FD 3 P O L E ( 600V ) S IEMEN S 44 42 4 0 33 37 38 36 34 54 53 55 35 36 SENSING 59 57 56 58 52 60 0 9 ALT. LEAD S & WIRE 1 0 31 32 36 4 35 37 1 37 1 8 36 2 35 47 58 30 2 9 12 11 4 3 7 CONTROL PANEL E L REF. B O TT O M OF F O R C IR CU IT B[...]

  • Page 41

    Generac ® Pow er Systems, Inc. 39 Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generators Connection Box – Drawing No. 0D8848-A ITEM P AR T NO . QTY . DESCRIPTION 1 068115 1 LO WER P ANEL 15 2 0D5489 1 CO VER LOWER CONNECTION BO X 4 023484N 2 BUSHING SNAP SB-2.5-31 6 056739 1 [...]

  • Page 42

    40 Generac ® Pow er Systems, Inc. 18 3 2 21 1 29 28 5 27 25 6 2 S TAT O R L EAD S 3 4 33 19 TO EN G INE FLYWHEEL SC R O LL DETAIL 42 41 40 8 3 1 3 7 39 43 43 43 38 41 42 40 3 7 40 36 10 21 1 F lLYWHEEL AD JUS TMENT T HREAD IN SENSOR ( 6 ) UNTIL CONTACT I S MADE WITH RING GEAR , THEN BACK OFF 1/ 2 T O 3/ 4 T U RN AND TI G HTEN N U T. DO N O T R O T[...]

  • Page 43

    Generac ® Pow er Systems, Inc. 41 Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generators Generator – Drawing No. 0D9490 ITEM P AR T NO . QTY . DESCRIPTION 1 051768 7 SCREW HHC M12-1.75 X 25 G8.8 2 051769 7 W ASHER LOCK M12 3 0A8240 2 FLEX PLA TE SAE10 4 039253 6 SCREW HHC M8-[...]

  • Page 44

    42 Generac ® Pow er Systems, Inc. Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generators Engine – Drawing No. 0D6980-A[...]

  • Page 45

    Generac ® Pow er Systems, Inc. 43 ITEM P AR T NO . QTY . DESCRIPTION 1 0A9046 1 ENGINE 4.3L GM 2 0A9118A 1 FL YWHL 4.3L GM SAE 3 070022 1 W ASHER ST AR M12 EXT 4 0A6021 6 SCREW HHC 7/16-20 X 1 G8 6 059056A 1 ST AR TER 5.7L/7.4L GM 8 0A9050 2 BOL T ST ARTER 4.3L 9 022237 17 W ASHER LOCK 3/8 10 045772 1 NUT HEX M10-1.5 G8 YEL CHR 11 049226 1 W ASHER[...]

  • Page 46

    44 Generac ® Pow er Systems, Inc. 12 40 24 6 31 32 37 34 4 20 2 3 4 5 4 3 40 22 7 8 36 1 3 5 1 0 11 33 1 9 31 4 35 3 34 14 30 2 8 44 27 9 1 21 4 3 2 5 46 4 0 41 2 6 17 1 6 38 1 5 47 2 Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generators Engine – Drawing No. 0A4304-L[...]

  • Page 47

    Generac ® Pow er Systems, Inc. 45 ITEM P AR T NO . QTY . DESCRIPTION 1 0A9046 1 ENGINE 4.3L GM 2 0A4084 2 MOUNT , ENGINE (R & L) 3 0A4239 1 PULLEY CRANKSHAFT 4 0A4240 1 PULLEY W A TER PUMP 5 0A5640 1 SP ACER F AN 50MM 4.3L (35KW UNITS ONL Y) 0A5640A 1 SP ACER F AN 62MM (45KW UNITS ONL Y) 6 0A5639 1 F AN 17" REVRS RO T (35KW UNITS ONL Y) 0[...]

  • Page 48

    ITEM P AR T NO . QTY . DESCRIPTION 1 034339 1 BARBED ELBO W 90 3/8 NPT X 5/8 2 ** 055934D 1 CLAMP VINYL 1.06 X .406 Z (MOUNTED TO AL TERNA T OR T O HOLD # 5 IN PLACE) 3 057822 4 CLAMP HOSE #8 .53 - 1.00 4 084918C 1 HEA TER ENGINE 1800W 120V * 084918D 1 HEA TER ENGINE 2000W 240V 5 050967 1 HOSE 5/8 ID RIA 250F (36") 6 050967 1 HOSE 5/8 ID RIA 2[...]

  • Page 49

    Generac ® Pow er Systems, Inc. 47 Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian Liquid-cooled 40 kW Generators Battery – Drawing No. 0A6 7 08-G ITEM P AR T NO . QTY . DESCRIPTION 2 058665 1 BA TTERY 12VDC 90-AH 27F (OPTIONAL) 3 061902 1 HOLD DO WN BA TTER Y 4 059473 1 HOLD DO WN BA TTER Y 5 038805[...]

  • Page 50

    KIT PART N O . 0 D7 9 4 8 30 32 31 33 34 35 KIT PART N O . 0 D7 9 47 37 38 36 39 KIT PART N O . 0 D 8 121 2 9 1 8 19 2 0 9 7 1 6 1 1 0 6 5 4 1 5 22 24 21 1 0 7 " A" T O "A " 1 0 4 0 22 27 27 11 14 1 6 48 Generac ® Pow er Systems, Inc. Section 7 — Exploded Views and P ar ts Lists (Model Nos. 0043 73-3 & 00462 6-2) Guardian[...]

  • Page 51

    Generac ® Pow er Systems, Inc. 49 ITEM P AR T NO . QTY . DESCRIPTION 1 0D7825 1 RADIA TOR COPPER BRASS 2 0D8251 1 F AN GUARD BO TT OM 3 0D8252 1 F AN GUARD T OP 4 024655 4 SCREW HHTT 1/4-20 X 1 CZ 5 022097 4 W ASHER LOCK M6-1/4 6 022473 4 W ASHER FLA T 1/4 ZINC 7 0D7174 1 VENTURI 4.3L 22" F AN 0D7174A 1 VENTURI 4.3L 17" F AN 9 0D7870 1 R[...]

  • Page 52

    ITEM P AR T NO . QTY . DESCRIPTION 1 059902A 1 CAP RAIN 2.50 / 2.69 2 0C9641 1 TUBE STRAIGHT 'A' GROUP 3 0C9650 1 MUFFLER 2-1/2" INLET/OUTLET 4 0C4114A 2 CLAMP BAND MUFFLER 6.5" 5 0C4126 2 BRA CKET MUFFLER MOUNTING 6 0D5787 1 TUBE ELBO W 90 DEG 2.5" 7 0A5215B 2 PIPE FLEX 2.5" 8 0E0699 1 TUBE, CR OSS O VER 9 0E0698 1 TU[...]

  • Page 53

    Generac ® Pow er Systems, Inc. 51 ITEM P AR T NO . QTY . DESCRIPTION 1 037561 1 NUT WING 1/4-20 NYLK 2 0A4632A 1 PLA TE AIR CLEANER T OP 3 0A4637 1 FIL TER AIR 11.5" CA326 4 0A4632B 1 PLA TE,AIR CLEANR BOT 5 062522 1 STUD TH 1/4-20 X 3 G2 ZNC FULL 6 022127 1 NUT HEX 1/4-20 STEEL 7 057796 1 GROMMET 8 057795 1 CONNECT OR C/C VENT 2 3 4 7 8 1 5 [...]

  • Page 54

    Section 7 — Exploded Views and P ar ts Lists (Model No. 0043 73-3) Guardian Liquid-cooled 40 kW Generators 4.3L Nat. Gas Fuel Syst em – Drawing No. 0E0 71 4 21 20 1 5 3 2 2 4 10 8 6 7 12 16 15 1 1 13 18 9 11 6 2 12 13 17 18 19 24 24 24 27 23 T O INTAK E M ANIF O LD 30 3 3 1 3 36 35 34 28 29 MO T O R TO VALVE CO VER TO S TEPPER 38 39 40 3 7 25 1[...]

  • Page 55

    Generac ® Pow er Systems, Inc. 53 ITEM P AR T NO . QTY . DESCRIPTION 1 065907 1 SUPPOR T SOLENOID NA T GAS 2 026812 4 ELBO W 90D 3/4NPT 3 076691 1 NIPPLE PIPE 3/4 NPT X 4.5 BLK IRN 4 0C7598 1 ASSY NA TURAL GAS SOLENOID 5 026490 1 NIPPLE PIPE 3/4 NPT X 2 6 026577 2 BUSHING REDUCER 1 TO 3/4 7 055944 1 REGULA TOR NA T GAS LPG V APOR 8 067018 1 SUPPOR[...]

  • Page 56

    54 Generac ® Pow er Systems, Inc. 21 20 1 5 3 2 2 4 8 6 7 12 1 6 1 5 11 1 3 1 8 9 11 2 12 13 17 1 8 1 9 24 24 24 27 2 3 36 T O VALVE CO VE R 38 37 2 5 17 2 24 14 MANIF O L D T O INTAKE 34 22 39 35 12 33 4 0 2 9 2 8 4 41 ATTA C H T O FAN SC R O L L 4 3 30 31 44 32 A SS EMBL Y P / N 0 D 3509 1 0 4 5 12 1 46 Section 7 — Exploded Views and P ar ts L[...]

  • Page 57

    Generac ® Pow er Systems, Inc. 55 ITEM P AR T NO . QTY . DESCRIPTION 1 065907 1 SUPPOR T SOLENOID NA T GAS 2 026812 4 ELBO W 90D 3/4NPT 3 076691 1 NIPPLE PIPE 3/4 NPT X 4.5 BLK IRN 4 0C7598 1 ASSY NA TURAL GAS SOLENOID 5 026490 1 NIPPLE PIPE 3/4 NPT X 2 6 026577 2 BUSHING REDUCER 1 TO 3/4 7 0D2758 1 REGULA TOR, N/G (R600S) 8 0E0521 1 SUPPOR T REGU[...]

  • Page 58

    56 Generac ® Pow er Systems, Inc. Section 7 — Exploded Views and P ar ts Lists (Model No. 004626-2) Guardian Liquid-cooled 40 kW Generators Exhaust – Drawing No. 0E1 34 7[...]

  • Page 59

    Generac ® Pow er Systems, Inc. 57 ITEM P AR T NO . QTY . DESCRIPTION 1 059902A 1 CAP RAIN 2.50 / 2.69 2 0C9641 1 TUBE STRAIGHT 'A' GROUP 3 0D4208 1 MUFFLER CA T AL YST 4.3L 4 0D5061 4 MOUNTING BAND A-GRP CA T AL YST 5 0C4126 2 BRA CKET MUFFLER MOUNTING 6 0D5787 1 TUBE ELBO W 90 DEG 2.5" 7 0A5215B 2 PIPE FLEX 2.5" 8 0E0699 1 TUB[...]

  • Page 60

    58 Generac ® Pow er Systems, Inc. Section 7 — Exploded Views and P ar ts Lists (Model No. 0043 73-3) Guardian Liquid-cooled 40 kW Generators Electronic Governor – Drawing No. 0A26 1 5-F ITEM P AR T NO . QTY . DESCRIPTION 1 098290 1 ASSEMBL Y MO T OR STEPPER 2 0A3439 1 BRA CKET GO VERNOR MOUNTING 3 098958A 1 CONNECT OR INTERF ACE ASSEMBL Y 4 02[...]

  • Page 61

    Generac ® Pow er Systems, Inc. 59 Section 8 – Notes Guardian Liquid-cooled 40 kW Generators[...]

  • Page 62

    60 Generac ® Pow er Systems, Inc. Section 9 – W arranty Guardian Liquid-cooled 40 kW Generators CALI FOR N IA EM ISSION C ONTROL W AR R ANT Y ST A TEM ENT Y OU R W AR R ANT Y R IGHT S AN D OBLIGA TIONS The California Air Resources Board (CARB) and Generac P ower Systems, Inc. (Generac) are pleased to explain the Emission Control System W arranty[...]

  • Page 63

    Generac ® Pow er Systems, Inc. 61 Section 9 – W arranty Guardian Liquid-cooled 40 kW Generators EM IS SION CONTROL S YS TEM W AR R ANT Y Emission Control System W arranty (ECS W arranty) for 1995 and later model year engines: (a) Applicability: This warranty shall apply to 1995 and later model year engines. The ECS W arranty P eriod shall begin [...]

  • Page 64

    Part No. 0E1780 Revision 0 (08/06/02) Printed in U.S.A. Section 9 – W arranty Guardian Liquid-cooled 40 kW Generators GEN ERAC PO WER SY STEMS S T AN D AR D "TWO YEAR" LIM ITED W AR R ANTY FOR GU AR DIAN ® "P R EP ACKAGED EMERGENCY AUT OMA TIC S T ANDBY GENER A T ORS" F or a period of two years Generac P ower Systems, Inc. (G[...]