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Generac 00919-0 manual

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Table of contents for the manual

  • Page 1

    THIS SYMBOL POINTS OUT IMPORT ANT SAFETY INSTRUCTIONS, WHICH, IF NO T FOLLO WED, COULD END ANGER THE PERSONAL SAFETY AND/OR PROPER TY OF Y OURSELF AND OTHERS. READ AND FOLLO W ALL INSTR UCTIONS IN THE MANU AL BEFORE A TTEMPTING TO OPERA TE THIS UNIT . Model No. 00919-0 Series NP-50LPG GENER A C ® CORPOR A TION O WN ER’S MAN U AL Manual No . A559[...]

  • Page 2

    Study these SAFETY R ULES carefully before installing, operating or ser- vicing this equipment. Become f amiliar with the Owner’ s Manual and with the generator . The generator can operate saf ely , efficiently and reliably only if it is properly installed, operated and maintained. Many accidents are caused by f ailing to follo w simple and funda[...]

  • Page 3

    3 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator IDENTIFI- CA TION RECORD Please record the f ollowing information fr om the generator DA T A DECAL or information decal. 1. Model Number_______________________ 2. Serial Number_________________ 3. kW Rating___________________________ 4. Rated V oltage________________[...]

  • Page 4

    4 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator T ABLE OF CONTENTS SAFETY RULES................................................................2 IDENTIFICA TION RECORD ..............................................3 GENERAL FEA TURES ....................................................3 READ THIS MANU AL THOROUGHL[...]

  • Page 5

    5 Recreational V ehicle Generator R EAD THIS MAN UAL THOROUGHL Y If you don't understand an y por tion of this manual, contact Gen- erac f or a demonstration of actual star ting, operating and ser vicing procedures . Throughout this publication and on tags and decals affix ed to the generator , D ANGER and CA UTION blocks are used to alert you[...]

  • Page 6

    6 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator GEN ERA T OR AP P LICABI LIT Y These generators ha ve been designed and manuf actured f or supplying electrical power f or recreational vehicles . Y ou should not modify the generator or use it f or any application other than f or what it was designed. If there are a[...]

  • Page 7

    7 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator GEN ERA T OR CONTROL P AN EL Mounted on the generator control panel (Figure 2) are the f ol- lowing f eatures: Figure 2 — Generator Contr ol Panel FUE L PRIME R Bef ore star ting a cold engine (if it has not been star ted in more than two weeks), y ou must press th[...]

  • Page 8

    8 Recreational V ehicle Generator B EFORE ST ARTI NG TH E ENGIN E IMPOR T ANT: INSTR UCTIONS AND INFORMA TION IN THIS MANU AL ASSUME THE GENERA TOR HAS BEEN PR OP- ERL Y INST ALLED , CONNECTED , SER VICED , TESTED AND ADJUSTED BY A QU ALIFIED INST ALLA TION TECHNICIAN OR INST ALLA TION CONTRACT OR. I NS T ALL A TION Generator installation must ha v[...]

  • Page 9

    9 Recreational V ehicle Generator 3. Hold the engine Star t/Stop Switch at ST ART to cr ank engine. Release the s witch when the engine star ts. CA UTION: If the engine does not start after it has been cranking for 15 seconds, release the start/stop switch and try again. Holding the switch for longer than 15 seconds can damage the starter motor . 4[...]

  • Page 10

    10 Recreational V ehicle Generator Induction type motors (such as those that run the vehicle’ s fur nace f an, refrigerator , air conditioner , etc.) need about 2- 1/2 time more watts of po wer for starting than for running (f or a f e w seconds during motor star ting). Be sure to allow f or this when connecting electr ical loads to the gener ato[...]

  • Page 11

    11 Recreational V ehicle Generator The v oltage regulator also incor porates a “v oltage surge pro- tection circuit. ” This circuit prev ents troublesome surges in the generator A C output voltage . V oltage surge is a common cause of damage to electronic equipment. 2 5-HOU R B REAK I N P ERIOD The first 25 hours of operation is the break-in pe[...]

  • Page 12

    12 Recreational V ehicle Generator FUE L RE Q UIREME N T S The “NP” series generator is equipped with a liquefied petro- leum (LP) gas fuel system. LP gas is usually supplied as a liquid in pressure tanks. “NP” series generators require a “vapor withdr aw al” type fuel system. This type of gaseous fuel system uses the v apors f orming a[...]

  • Page 13

    13 Recreational V ehicle Generator This section includes inf or mation about simple maintenance which includes the f ollowing tasks. • Chec king engine oil lev el • Changing engine oil • Changing oil filter • Clean or change the air cleaner • Cleaning the air intak e screen • Cleaning spark plug CH E CKI NG ENGI NE OI L LEVEL Check engi[...]

  • Page 14

    14 Recreational V ehicle Generator ENGI NE AI R CLEAN ER Clean and re-oil the f oam pre-cleaner ev er y three months or e very 25 operating hours, whiche ver comes first. Service more frequently if operating under e xtremely dusty or dir ty con- ditions (Figure 10): • Remo ve both scre ws to loosen cover . • Remo ve the CO VER, FO AM PRE-CLEANE[...]

  • Page 15

    15 Recreational V ehicle Generator S P A RK A RRE S T OR MUFFL ER If the generator is not equipped with a spark arrestor exhaust muffler and is to be used on any f orest cov ered, brush cov- ered or grass co vered unimpro ved land, you ma y ha ve to install a spark arrestor . The spar k arrestor m ust be maintained in eff ective working order by th[...]

  • Page 16

    16 Recreational V ehicle Generator MA JOR SERVICE MANUAL T o obtain a ser vice manual f or your gener ator , order it from your dealer/distributor or contact the f actor y . Be sure to iden- tify your MODEL NUMBER and SERIAL NUMBER. DR IVE BEL T The engine drives the generator rotor b y means of a pulley and drive belt arrangement. The driv e belt [...]

  • Page 17

    17 TROUBLESHOOTING POINTS P ROBLEM CAUSE C OR R E CTION Engine won’t crank. 1. 15 amp fuse blo wn. 1. Replace fuse. 2. Loose, corroded or def ective 2. Tighten, clean or replace batter y cab les as necessar y . 3. Batter y is discharged or def ective . 3. Recharge or replace batter y . 4. Defectiv e star ter contactor . 4. Replace if def ective. [...]

  • Page 18

    ELECTRICAL DA T A Drawing No. 94210 18 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator GENERAC ® CORPOR A TION[...]

  • Page 19

    19 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator ELECTRICAL DA T A Drawing No. 94210 GENERAC ® CORPOR A TION[...]

  • Page 20

    20 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator EXPLODED VIEW — BASE AND PULLEYS Drawing No. 95865 GENERAC ® CORPOR A TION[...]

  • Page 21

    ITEM DESCRIPTION P ART NO. QTY . ITEM DESCRIPTION P ART NO. QTY . 21 Recreational V ehicle Generator 1 BASE, MOUNTING 92603 1 2 GROUND CABLE 90141 1 3 MOUNT , (RUBBER) 46911 4 4 CAPSCREW , .-3/8"-16 x 1/2" 25017 8 5 LOCKWASHER-M10 46526 10 6 LOCKWASHER-M8 22129 4 7 SKID, RUBBER MOUNT 72391 2 8 SAFETY BOL T 5/16"-18 x 3 1/2" 7760[...]

  • Page 22

    22 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator EXPLODED VIEW — AL TERNA TOR AND P ANEL Drawing No. 94106 GENERAC ® CORPOR A TION[...]

  • Page 23

    ITEM DESCRIPTION P ART NO. QTY . ITEM DESCRIPTION P ART NO. QTY . 23 Recreational V ehicle Generator 1 Lower Bearing Carrier 75995 1 2 50 Rotor Assembly 92605G 1 3 50 Stator Assembly 92604G 1 4 Ball Bearing 73159 1 5 Ball Bearing 31971 1 6 Upper Bearing Carrier 72379 1 7 Stator Stud 77006 4 8 M8-1.25 Flange Lock Nut 52858 8 9 Brush Holder 66386 1 1[...]

  • Page 24

    24 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator EXPLODED VIEW — ENGINE ENCLOSURE Drawing No. 94108 GENERAC ® CORPOR A TION[...]

  • Page 25

    ITEM P ART NO. QTY . DESCRIPTION ITEM P ART NO. QTY . DESCRIPTION 25 Recreational V ehicle Generator 1 90953 1 SCROLL, FL YWHEEL 2 45756 8 SCREW , T APTITE M6-1.0 x 10 LG 3 90388 1 SCREW , T APTITE M6-1.0 x 12 LG 4 91222-A 1 FL YWHEEL (20 DEG.) 5 67198-N 1 W ASHER, BELL VILLE M20 6 67890 1 NUT , M20 x 1.5 7 A4456 1 3/8” SPECIAL LOCK W ASHER 8 568[...]

  • Page 26

    26 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator EXPLODED VIEW — GN-410 ENGINE Drawing No. B2195 GENERAC ® CORPOR A TION[...]

  • Page 27

    27 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator ITEM P AR T NO. QTY . DESCRIPTION ITEM P ART NO. QTY . DESCRIPTION 1 71977 1 PISTON RING SET 2 71979 2 CONNECTING ROD BOL T 3 72637 1 CONNECTING ROD WITH CAP AND BOL T 4 71980 1 PISTON PIN 5 71983 2 PISTON PIN RET AINER 6 73142 1 CYLINDER HEAD GASKET 7 73144 8 FLANG[...]

  • Page 28

    28 Recreational V ehicle Generator Generac NP-50LPG Recreational V ehicle Generator EXPLODED VIEW — ENGINE ACCESSORIES Drawing No. 95866 GENERAC ® CORPOR A TION[...]

  • Page 29

    ITEM P ART NO. QTY . DESCRIPTION ITEM P AR T NO. QTY . DESCRIPTION 29 Recreational V ehicle Generator 1 90896 1 MANIFOLD, INT AKE 2 91039 1 GASKET , MANIFOLD/HEAD 3 68527 2 BOL T , HEX HD. CAPSCR. & LOCK WASHER-M6-1.0 x 20 4 72347 1 SP ARK PLUG, CHAMPION #RC12YC 5 89228 1 GASKET , CARB./MANIFOLD 6 A2775A 1 L/P CARBURETOR 7 90970 1 GASKET , CARB[...]

  • Page 30

    CALIFORNIA EMISSION CONTR OL W ARRANTY ST A TEMENT Y OUR W ARRANTY RIGHTS AND OBLIGA TIONS The California Air Resources Board ("CARB") and Generac Corporation are pleased to explain the Emission Control System War- ranty on your new recreational vehicle generator engine. In California, new recreational vehicle generator must be designed, [...]

  • Page 31

    EMISSION CONTROL SYSTEM W ARRANTY Emission Control System Warranty ("ECS W arranty") for 1995 and Later Model Y ear recreational vehicle generator: A. Applicability: This warranty shall apply to 1995 and later model year recreational vehicle generator . The ECS Warranty Period ("ECS Warranty Period") shall begin on the date the [...]

  • Page 32

    GENERAC ® CORPOR A TION Generac’ s Three-Y ear Limited Warranty For Recreational V ehicle NP Generators GENERA C warrants to the original purchaser that its generators will be free from def ects in mater ials or workmanship f or the period set for th belo w from the date of or iginal purchase. During said warr anty per iod, Generac will, at its [...]