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Generac 190/220 manual

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Table of contents for the manual

  • Page 1

    Manual No . A8926 Re vision 0 (11/16/98) Printed in U .S.A. GENER A C ® ENGINES Over h ead V al ve Indus trial Owner ’s Man ual Model No . 190/220 (6.5/7.8 Horsepo wer) T T H H I I S S S S Y Y M M B B O O L L P P O O I I N N T T S S O O U U T T I I M M P P O O R R T T A A N N T T S S A A F F E E T T Y Y I I N N S S T T R R U U C C T T I I O O N [...]

  • Page 2

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 2 — If you don’t under stand any portion of this manual, contact Generac for a demonstration of actual starting, operating and servicing procedures. Throughout this pub lication and on tags and decals affixed to the generator , DANGER, W ARNING and C[...]

  • Page 3

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 3 — • Do not ov erfill the fuel tank. Alwa ys allow room f or fuel e xpansion. If the tank is ov erfilled, the fuel can ov erflow onto a hot engine and cause a FIRE or an EXPLOSION . • Allow at least two (2) f eet of clearance on all sides of the e[...]

  • Page 4

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 4 — When ordering engine components, you m ust provide the authorized ser vice dealer with the engine identification number , which is located on the engine identification decal. See the illustration below f or the location of the decal. This engine me[...]

  • Page 5

    — 5 — G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e OIL AND FUEL INFORMATION NO TE: BE SURE T O READ THESE INSTR UCTIONS CAREFULL Y BEFORE A TTEMPTING T O ST AR T OR OPERA TE THIS EQUIPMENT . Using old or improper oil or fuel can cause engine damage. CA UTION: A n y attempt to crank or star t the en[...]

  • Page 6

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 6 — OPERATION AND MAINTENANCE It is the owner’ s/operator's responsibility to perform all safety checks; to make sure that all maintenance f or saf e operation is perf or med promptly; and to hav e the engine checked b y an authorized dealer per[...]

  • Page 7

    A If the engine F AILS T O ST ART , go to Step 3. B. If the engine ST ARTS , go to Step 4. Figure 4 — Recoil Handle 3. Mov e the choke le ver to the HALF CHOKE POSITION , and pull the recoil handle (Figure 4) two (2) times. • If the engine STILL F AILS T O ST ART , repeat Steps 1-3. 4. Mov e the choke le ver to the R UN POSITION by sliding it t[...]

  • Page 8

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 8 — GENERAL MAINTENANCE RECOMMENDATIONS The owner/operator is responsib le for making sure that all periodic maintenance tasks are completed on a timely basis; that all discrepancies are corrected; and that the equipment is kept clean and properly stor[...]

  • Page 9

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 9 — CA UTION: Ne v er run this equipment without the complete air cleaner system installed on the engine. This could result in premature wear to the engine. Use the following instructions to clean or replace the air cleaner components. 1. Loosen the tw[...]

  • Page 10

    Generac GN-190/220 Engine — 10 — Figure 9 — Removing Heat Shield SERVICE AND ADJUSTMENTS ENGINE SPEED CA UTION: The engine speed was properly adjusted at the f actor y and should require no additional adjustment. Do not attempt to change engine speed. If you belie v e the engine is running too fast or too slo w , take your engine to an author[...]

  • Page 11

    3. Loosen the rock er ar m jam nut. Using an allen wrench to turn the piv ot ball stud, check the clear ance between the roc ker ar m and the valv e stem with a flat feeler gauge (Figure 11). Figure 11 — Adjusting V alve to Rocker Arm Clearance 4. When the v alve clear ance is correct, hold the pivot ball stud with the allen wrench and tighten th[...]

  • Page 12

    RETORQUING THE HEAD BOLTS After the first 50 hour s of operation , retorque the head bolts. NO TE: Only perform this adjustment after the first 50 hours of operation. The head bolts will need no fur ther adjustment. 1. Remov e the four (4) scre ws from the rocker co ver (see Figure 10). 2. Remov e the rocker co ver and roc ker co ver gasket. 3. T o[...]

  • Page 13

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 13 — STORAGE INSTRUCTIONS This engine should be star ted at least once a week and run for at least 30 minutes . If this cannot be done and the equipment must be stored f or more than 30 days, use the f ollowing guidelines to prepare it f or storage. W [...]

  • Page 14

    — 14 — Generac GN-190/220 Engine E E X X P P L L O O D D E E D D V V I I E E W W — — S S H H O O R R T T B B L L O O C C K K[...]

  • Page 15

    — 15 — G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e S S H H O O R R T T B B L L O O C C K K ITEM DESCRIPTION P AR T NO . QTY . N/A Long Block Assemb ly 21942E 1 (190cc used with Item 8A) Long Block Assemb ly 21943E 1 (190cc used with Item 8B) Long Block Assemb ly 21944E 1 (220cc used with Item 8A) [...]

  • Page 16

    — 16 — G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e E E X X P P L L O O D D E E D D V V I I E E W W — — A A I I R R C C L L E E A A N N E E R R A A N N D D C C A A R R B B U U R R E E T T O O R R I TEM DESCRIPTION P ART NO . QTY . 31 Breather Hose 90947 1 32 Manifold Head Gasket 90051 1 33 M6 x[...]

  • Page 17

    — 17 — G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e A A I I R R C C L L E E A A N N E E R R A A N N D D C C A A R R B B U U R R E E T T O O R R ITEM DESCRIPTION P ART NO . QTY . 31 Breather Hose 90947 1 32 Manifold Head 90051 1 Gasket 35 M6 x 30mm Screw 80316 2 36B Intake Manifold 90948 1 39B Carbu[...]

  • Page 18

    — 18 — G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e E E X X P P L L O O D D E E D D V V I I E E W W — — G G A A S S T T A A N N K K ITEM P ART # QTY . DESCRIPTION 55 83512 2 M6 X 15 T aptite 57 95213 1 T ank Bracket 58 77395 2 M6 Flange Nut 59 95214 1 T ank Cradle 60 30340 12” 1/4” ID Hose [...]

  • Page 19

    — 19 — G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e E E X X P P L L O O D D E E D D V V I I E E W W — — O O I I L L F F I I L L T T E E R R A A N N D D O O P P T T I I O O N N A A L L O O I I L L F F I I L L L L T T U U B B E E ITEM P ART # QTY . DESCRIPTION 1 94820 1 Expansion Plug 2 91848 1 O[...]

  • Page 20

    — 20 — G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e E E X X P P L L O O D D E E D D V V I I E E W W — — L L O O W W O O I I L L S S H H U U T T D D O O W W N N A A N N D D G G O O V V E E R R N N O O R R ITEM P ART # QTY . DESCRIPTION 7 78653 1 Run/Stop Switch 8 85272 1 LED Assembly 8A 86753 1 [...]

  • Page 21

    ITEM P ART # QTY . DESCRIPTION 85 78608A 1 Air Box Cover 86 90695A 1 Blower Housing 87 89739 1 Lower Wrapper 88 66476 9 M6 X 12 HHCS 89 A2799 1 Recoil Assembly 90 A2842 1 Recoil Cup 91 78651C 1 Backplate 92 59636 1 #4 X 3.37 Long 93 86296 1 Governor Rod 94 88905 1 Extension Spring 95 89477 1 Spring Clip 96 89478 1 Snap Button 97 40976 1 SHCS M8—1[...]

  • Page 22

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e CALIFORNIA EMISSION CONTROL W ARRANTY ST A TEMENT YOUR WARRANTY RIGHTS AND OBLIGA TIONS The California Air Resources Board ("CARB") and Generac Corporation are pleased to explain the Emission Control System Warranty on your new utility or lawn and [...]

  • Page 23

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e — 23 — EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty ("ECS W arranty") for 1995 and Later Model Y ear Utility and Lawn and Garden Equipment Engines: A. Applicability: This warranty shall apply to 1995 and later model year ut[...]

  • Page 24

    G G e e n n e e r r a a c c G G N N - - 1 1 9 9 0 0 / / 2 2 2 2 0 0 E E n n g g i i n n e e GENERA C PO WER SYSTEMS, INC. TWO YEAR LIMITED W ARRANTY FOR “GN” ENGINES Generac Power Systems, Inc. warrants to the original purchaser that the engine will be trouble free from defects in material or workmanship for the items and period set forth below[...]