Generac 0H0923PMNL User's Manual
Contents
1. Engine Part Number Note Engine Assembly Build Date From 1 1 2009 to present is Generac P N 0H0923 Ford ENGINE PARTS MANUAL 6 8L Gas Engine Table of Contents QUICK REFERENCE GUIDE 2 2 ag riti nani rettet t dede edP taedio eer eme recu eee Du buc v da Da e 1 poer sedan eji DL PE 2 CYLINDER BLOCK du EE 4 E 6 TIMING 8 PISTON ROD AND CRANK sii A tbid Trees 10 TIMING GEARS a i 12 UE IT 14 BALANCE SHAFT m a 15 ROCKER COVE M a centu entree tina denn leute 16 OIL dti t Fc vore egit a dett ue 17 OIE PAN UEM ET 18 CRANKCASE VENTILATION ticis crc rares radere terea od der mae Dv conu ea Vere v ey Ro xv 19 OIC Jg TEE 20 WATER uU 22 TEIERMOSTAT teret ted a E a uL EATUR 23 DAMPER PULLE Y f 24 Tears soli 25 IGNITION SYSTEM itecto tt tfe Codes tu abo TRUE dea Hon sone D e Sevier 26 NOTE The information in this manual is known to be accurate as of the date of release shown on the cover However engineering changes can occur without notice To obtain the proper parts please be sure to use the serial number of the unit being serviced2. LOWR PLASTIC INT MNFLD 25 6 8L Gas Engine Ignition System Note The right and left banks of engine are determined by viewing the engine from the flywheel side 12029 HB1 12A402 12405 a Mg TOF 12A402 gt H o z 9 a tc o o fe Z lt W 12405 0034540186 PLUG SPARK PLATINUM COIL amp BOOT ASSY IGNITION 0034540252 BOLT COIL ON PLG M5X25 HEX HEAD 26 GENERAC EE Generac Power Systems Inc 45 W29290 Hwy 59 Waukesha WI 53189 Part No OhO923PMNL rev A Printed in USA 05 28 10 1 888 GENERAQ 1 889 436 3722 2010 Generac Power Systems Inc All rights reserved Specifications are subject to change without notice No reproduction allowed in any form without prior written consent from Generac Power Systems Inc generac com
3. PSTN NA m Faye WT e i 295 AFER c 0F73160198 SCREW WATER OUTLET M8X1 25X93 5 HEX HEAD Nj n i SS TD 4 N TN 1 BN m Y 14 j tS 4 J eo OAA 9 SX EA SIT XA i i i 4 i TAS MM XE di dj EET y i A vam S 2 de ZF A u WA AC Tp 9 VE LE amp T He N Li N 8592 2851 HOUSING THERMOSTAT ITEM PART NO DESCRIPTION 8255 0F 2843 GASKET HOUSING 48 5X3 63 O RING 23 6 8L Gas Engine Damper Pulley Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6378 6312 ITEM PART NO DESCRIPTION 6312 0H09230150 6378 amp HB1 0D34540228 BOLT amp WASHER DAMPER 8678 0F7316C178 IDLER PULLEY SMOOTH 24 6 8L Gas Engine Intake Manifold Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6026 ii PLUG 3 8 18 X 425 PIPE PLUG 1 s4248 10 MANIFOLD INTAKE LOWER ALUMINUM NOT RERO t forza 1 MANIFOLD INTAKE UPPER CAP TUBE 1 4 INT MANIFOLD HEATER INLET FRONT END 9439 10034540247 GASKET INTAKE MANIFOLD TO CYLINDER HEAD 2 GASKET A UPPER TO LOWER PLASTIC INT MNFLD 8 GASKET UPPER
4. ITEM PART NO 6A666 0H09230134 19 6 8L Gas Engine Oil Filter Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6L626 6731 6 8L Gas Engine Oil Filter DESCRIPTION FILTER OIL GASKET OIL FILTER ADAPTER ADAPTER OIL FILTER INSERT OIL FILTER 0F73160178 BOLT ADAPTER TO ENGINE M8X1 25X41 HEX HEAD 0D34540158 NUT ADAPTOR TO ENGINE REAR 0F19600237 STUD ADAPTOR TO ENGINE REAR 6A642 0H09230185 OIL COOLER 6L626 OF1960A112 INSERT OIL FILTER COOLER USED WITH OIL COOLER lt Note The right and left banks of engine are determined by viewing the engine from the flywheel side 21 6 8L Gas Engine Water Pump Note The right and left banks of engine are determined by viewing the engine from the flywheel side o Qi AO v eu y 27 FN 2 N aTe PEN 2 8507 LT WATER PUMP M8X1 25X38 DESCRIPTION GASKET WATER PUMP oc lt gt 22 A BO 8501 0D34540234 ITEM PART NO 8501 0D34540232 8507 0D34540233 22 6 8L Gas Engine Thermostat Note The right and left banks of engine are determined by viewing the engine from the flywheel side Nes mu zw r fi UNA eee es y x y AL sA 7726 CR MET
5. 6A008 8555 N 6397 o 1 A 4 T HS1 HM2 e i we 6026B i 6026A w f SM m 6C070 7 i AS em T gt 5 Meer Seir 6 8L Gas Engine Cylinder Block ITEM PART NO DESCRIPTION 6A008 DOWEL HEAD TO BLOCK 6010 BARE BLOCK 6026 PLUG 1 7555 CUP 4 LEFT 4 RIGHT 2REAR 6026 PLUG 13 84MM CUP FRONT 6026 PLUG 3 8 18X 425 SOCKET HEAD 6026 PLUG 38 3MM CUP SS 1 FRONT 1 REAR 6345 BOLT MAIN CAP M10X1 5X94 5 HEX HEAD 6345 STUD BOLT M8X1 25XM10X1 5X126 6345 BOLT MAIN CAP M9X1 25X53 HEX HEAD 6A346 0D34540145 DOWEL MAIN CAP 8555 0H09230166 TUBE WATER FOR HEATER 18663 0H09230137 TUBE WATER 6397 PIN DOWEL TO TIMING CVR 8 0X45 5 HM2 NOT SHOWN NUT M12 NOT SHOWN BOLT MOUNT TO BLOCK M10X1 5X28 5 NOT SHOWN BOLT MOUNT TO BLOCK M10X1 5X70 1 PIN DOWEL TO TIMING CHAIN GUIDES 1 SCREW KNOCK SENSOR M8X30MM E o lt L DO NOT RE USE MAIN BEARING CAP BOLTS Note The right and left banks of engine are determined by viewing the engine from the flywheel side 5 6 8L Gas Engine Cylinder Head Note The right and left banks of engine are determined by viewing the engine from the flywheel side SN AES e 6505 PAWN 6 8L Gas Engine Cylinder Head ITEM DESCRIPTION HEAD CYLINDER RH BARE HEAD CYLINDER LH BARE HEAD CYLNDR RH W VALVES amp C
6. when ordering from this manual All other parts not shown in this manual can be found in the Owner s Manual for the unit being serviced Owner s Manuals can be found at WWW generac com Legend A R AS REQUIRED STD STANDARD SIZE O S OVERSIZE U S UNDERSIZE NA NOT AVAILABLE 6 8L Gas Engine Quick Reference Guide eue ne ewe eeem mm QUICK REFERENCE ENGINE PARTS Decet ewm LONE LT CCTRNENNNNNL NN Spark Plug 0D34540186 Spark plug gap see owner s manual ENGINE IDENTIFICATION Note The right and left banks of engine are determined by viewing the engine from the flywheel side SECONDARY ENGINE PART NUMBER xcu 6P 680 cen BASZ ENGINE CODE ENGINE GENERAC POWER SYSTEMS INC SERIAL NUMBER WAUKESHA E172A 270809 2390372 6806CAZ 561068 BUILD DATE Left Side Valve Cover ENGINE ASSEMBLY BUILD DATE ENGINE SERIAL NUMBER 6 8L Gas Engine Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6 8L Gas Engine ITEM PART NO DESCRIPTION 6006 0H09230158 LONG BLOCK 6009 0H09230114 SHORT BLOCK Note The right and left banks of engine are determined by viewing the engine from the flywheel side 3 6 8L Gas Engine Cylinder Block Note The right and left banks of engine are determined by viewing the engine from the flywheel side
7. AMSHAFT HEAD CYLNDR LH W VALVES amp CAMSHAFT GASKET CYLINDER HEAD RH GASKET CYLINDER HEAD LH INSERT INTAKE VALVE SEAT INSERT EXHAUST VALVE SEAT HEAD BOLT LONG M11X1 5X213 5 HH FLANGE BOLT CAM CAPS M6X1 0X42 5 BOLT BALANCE SHAFT CAPS M6X1 0X84 5 PIN DOWEL HEAD TO BLOCK PLUG CYLNDR HEAD PRESS RELIEF 11 4MM CUP PLUG 38 3MM CUP STAINLESS STEEL PLUG OIL GALLERY 3 8 16 PIPE or is it 3 8 18 pipe PLUG PIPE 1 8 27 SOCKET HEX VALVE EXHAUST VALVE INTAKE BUSHING VALVE GUIDE INTAKE amp EXHAUST SEAL VALVE STEM SPRING VALVE RETAINER VALVE SPRING LOCK VALVE SPRING ADJUSTER VALVE LASH ARM ROCKER N NIN 9 MINJ INIA w wm 2 2 2 2 lo lt Note The right and left banks of engine are determined by viewing the engine from the flywheel side f 6 8L Gas Engine Timing Cover Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6020 C 2 EN I HS1 8 A V AA 6315 y PRA ew SY SE 6020 L ic HS1 HB2 6 8L Gas EngineTiming Cover DESCRIPTION COVER amp GASKETS FRONT GASKET FRONT COVER LH GASKET FRONT COVER CENTER GASKET FRONT COVER RH SENSOR CAM SENSOR CRANK TIMING COVER CRANKSHAFT SEAL 0F19600134 SCREW WASHER FRONT CVR M10X1 5X103 1 0F73160125 BOLT FRONT COVER 1 25 53 HS1 HT1 N
8. IT MAIN STANDARD GRADE 2 6D309 BEARING KIT MAIN STANDARD GRADE 3 6D309 BEARING KIT MAIN 010 0R 25MM U S GRADE 1 6D309 BEARING KIT MAIN 010 0R 25MM U S GRADE 2 6D309 BEARING KIT MAIN 010 OR 25MM U S GRADE 3 6D309 BEARING KIT MAIN 020 OR 50MM UNDERSIZE 6D309 BEARING KIT MAIN 030 OR 75MM UNDERSIZE 6701 SEAL CRANKSHAFT REAR OIL 6K301 RETAINER REAR OIL SEAL NOT SHOWN PIN DOWEL REAR CRANKSHAFT SEAL RETAINER NOT SHOWN BOLT REAR CRANKSHAFT SEAL RETAINER M8X1 0X27 5 6306 GEAR CRANKSHAFT TIMING 6B316 KEY WOODRUFF CRANKSHAFT 3 16 X1 40 6310 SLINGER REAR CRANKSHAFT OIL Note The right and left banks of engine are determined by viewing the engine from the flywheel side 11 6 8L Gas Engine Timing Gears Note The right and left banks of engine are determined by viewing the engine from the flywheel side Y Wek X 5 p 5 VM 5 lt 2 ir Pd X3 f amp NN 224 SS ES N SNO V 2 2 L 25 df SN A SAY L Ca 2 T 6L 266 R 6M274 Ps 6L266 L HB1 b b 6306 HB4 c 2 6278 py 6256 12 6 8L Gas Engine Timing Gears DESCRIPTION ARM TIMING CHAIN TENSIONER RH GUIDE TIMING CHAIN RH TENSIONER TIMING CHAIN LH TENSIONER TIMING CHAIN RH GEAR CAM RH GEAR CAM LH CHAIN TIMING ARM TIMING CHAIN TENSIONER LH GUIDE TIMING CHAIN LH WASHER CAMSHAFT 13 5X48 5X5 3 BOLT CA
9. M SPROCKET M10X1 5X47 5 HEX HEAD SPROCKET CRANK RING IGNITION PULSE CRANK PULSE SENSOR 0E96180124 BOLT TIMING CHAIN GUIDES 1LH 2RH M6X1 0X22 5 0D34540220 BOLT TIMING CHAIN GUIDES LH M6X1 0X67 5 B1 0H09230203 BOLT TENSIONER M8X1 25X53 0D34540221 BOLT M8 X 1 25 X 53MM 6P250 CONTACT PARTS 7 lt Note The right and left banks of engine are determined by viewing the engine from the flywheel side 13 6 8L Gas Engine Camshaft Note The right and left banks of engine are determined by viewing the engine from the flywheel side 14 6 8L Gas Engine Balance Shaft Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6A311 NS 6A304 ZUM nn a e 7 N ae N SA SN X NE mA E a ea Why NON NA VIS lt Vale d LS rr S NY LAL t33 SEN M Ge oe aa SANN DEY T NN Nx N A Life CN NAA X ya NECA PL N amp N 7 v HAS IN eu Mf Loop A d ud ff d NY PA NI 4 e As ae 3 25 i 55 TX p gt w an 3 sa 2 7 A ar A M P ie Pas 7A Mer Va cp m PP Mw M7 P BPO eae NL fa VN CN N A 6A303 ITEM PART NO DESCRIPTION 6A303 0D34540194 GEAR BALANCE SHAFT ON CAMSHAFT 6A304 0D34540195 GEAR BALANCE
10. OT SHOWN 0F19600135 STUD FRONT CVR M10X1 5X1 5X103 1 HS1 0 73160111 BOLT CAM AND CRANK SENSORS TO TIMING CVR M6X1 0X27 5 HT1 0 19600236 STUD WASHER FRNT CVR M10X1 5 M8X1 25X106 7 2 DESCRIPTION CY COVER amp GASKETS FRONT tt GASKET FRONT GASKET FRONTCOVER CENTER st GASKET FRONT COVER RH 1 SENSOR CAM SENSOR CRANK TIMING COVER CRANKSHAFT SEAL SCREW WASHER FRONT CVR MIOXi 5X108 1 fe BOLT FRONT COVER MeX120X58 JAR STUD FRONT CVR 10 1 5 1 5 1031 O BOLT CAM AND CRANK SENSORS TO TIMING CVR M6x1 0x27 5 2 STUD WASHER FRNT CVR 10 1 5 8 1 25 1067 5 Note The right and left banks of engine are determined by viewing the engine from the flywheel side 9 6 8L Gas Engine Piston Rod and Crank Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6D309 10 6 8L Gas Engine Piston Rod and Crank ITEM DESCRIPTION 6108 PISTON STANDARD 6108 PISTON 010 25 0 5 6108 PISTON 020 50 O S 6135 PIN PISTON 6140 RETAINER PISTON PIN 6148 RINGSET STANDARD SET IS FOR 2 PISTONS 6148 RINGSET 010 25MM O S 6148 RINGSET 020 50MM O S 6200 ROD ASSY CONNECTING 6214 BOLT CONNECTING ROD 6207 BUSHING PIN 6211 BEARING ROD STANDARD 6211 BEARING ROD 020 50MM UNDERSIZE 6303 CRANKSHAFT 6D309 BEARING KIT MAIN STANDARD GRADE 1 6D309 BEARING K
11. SHAFT ON BALANCE SHAFT 6A311 0D34540196 BALANCE SHAFT amp GEAR 15 6 8L Gas Engine Rocker Cover Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6766 6C519B 6A892 L 6582 6763 6582 DESCRIPTION COVER ROCKER amp GASKET RIGHT CVR RKR amp GSKT LEFT AFTER 05 04 A STUD amp GROMMET RKR CVR TO HEAD B BOLT amp GROMMET RKR CVR TO HEAD GROMMET PCV VALVE TUBE EXTENSION OIL 2007 CAP OIL FILLER 16 6 8L Gas Engine Oil Pump Note The right and left banks of engine are determined by viewing the engine from the flywheel side rer B R ri d TEXT Sil d EN EA bmo io i E i 4C LL f PD b AP S u 6 c it 4723 i uu rdi EN uM 1 2 i e om 28 1 T 7 2 4 i d Se 22 Lar F Fa LT ORT 17 6 8L Gas Engine Oil Pan Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6710 6675 ITEM PART NO DESCRIPTION 6675 0D34540150 OIL 6710 0034540151 GASKET OIL PAN 0F19600170 BOLT OIL PAN M8X30 HEX FLANGE HEAD 18 6 8L Gas Engine Crankcase Ventilation Note The right and left banks of engine are determined by viewing the engine from the flywheel side 6A666 tc LL gt DESCRIPTION PC VALVE
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