Installation and Owner s Manual

R R Installation and Owner s Manual Air-cooled, Prepackaged Automatic Standby Generators Models: 04389-2 ( kw NG, 7 kw LP) 0445-2 (2 kw NG, 2 kw LP) 04390-2 (3 kw NG, 5 kw LP) GENERAC POWER SYSTEMS, INC. *This manual should remain with the unit. Not intended for use as Primary Power in place of utility or! in life-support applications.! DANGER DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY!!

Enclosure Drawing No. 0D-R PRE PACKAGED UNITS ONLY 80 82 44 85 77 84 7 82 48 4 40 8 7 9 79 80 8 87 8 72 5 44 72 73 52 47 9 2 4 49 30 7 75 55 28 29 74 4 8 3 50 0 44 2 49 9 35 57 27 49 4 88 54 35 25 2 35 49 2 43 4 43 49 37 24 3 23 49 8 20 5 52 4 35 25 49 48 50 9 3 92 90 9 7 5 5 58 2 38 59 93 3 7 9 39 42 8 93 3 Generac Power Systems, Inc.

Enclosure Drawing No. 0D-R 0C40 ASSEMBLY, ENCLOSURE BASE 0D90 ASSEMBLY, ENCLOSURE BASE (7KW) 2 0C735 2 SUPPORT, ROOF FOLDING 3 0C70 ENCLOSURE, FRONT 4 0C702 ENCLOSURE, EXHAUST SIDE 0C702A ENCLOSURE, EXHAUST SIDE (7KW) 5 0C703 ENCLOSURE, SIDE & BACK 0C703A ENCLOSURE, SIDE & BACK (7KW) 0C704 ENCLOSURE, ROOF 7 0C705 PANEL, ALTERNATOR DIVIDER 0C705A PANEL, ALTERNATOR DIVIDER (7KW) 8 0C8A PANEL, MUFFLER BOX SIDE 0C88 PANEL, MUFFLER BOX SIDE (7KW) 9 0C8B COVER, MUFFLER BOX 0C882 COVER, MUFFLER BOX (7KW) 0C8283 GASKET, DOOR SEAL 0C8284A FOAM, BACK ENCLOSURE 2 0C8284B FOAM, ROOF ENCLOSURE 3 0C8284C FOAM, FRONT ENCLOSURE 4 0C8285 BRACKET, BATTERY SUPPORT 5 0C8899A PAD, 24"X48" WITH MOUNTING HOLES 0D28 PANEL, ENGINE DIVIDER 0D28A PANEL, ENGINE DIVIDER (7KW) 7 0E4244 BAFFLE, INTAKE 0D05A BAFFLE, INTAKE (7KW) 8 0D0 HOUSING, FAN 0D524 BAFFLE, EXHAUST (7KW) 9 0D839 2 BRACKET, TOP SUPPORT 20 0D840 2 BRACKET, BOTTOM SUPPORT 2 0D2425 DUCT, BASE AIR 22 0D2588 GASKET, FRONT DIVIDER 0D2588A GASKET, FRONT DIVIDER (7KW) 23 0D27 COVER, FRONT EXHAUST ENCLOSURE 24 0D277 COVER, BACK EXHAUST ENCLOSURE 25 0D2979B 2 CLOTH, HARDWARE 2.7mm x 4mm 0D2979B 3 CLOTH, HARDWARE 2.7mm x 4mm (7KW) 2 0D2979C CLOTH, HARDWARE 543mm x 4mm 27 0D2979D CLOTH, HARDWARE 2.7mm x 387.4mm 0D2979E CLOTH, HARDWARE (7KW) 28 0E4245 FOAM, FRONT INTAKE BAFFLE 0D3058A FOAM, FRONT INTAKE BAFFLE (7KW) 29 0E4245A FOAM, TOP INTAKE BAFFLE 30 0E4245B FOAM, BACK INTAKE BAFFLE 0D3058C FOAM, BACK INTAKE BAFFLE (7KW) 3 0D3057D FOAM, BACK ENCL. STRIP 0D3059A FOAM, EXHAUST SIDE ENCLOSURE END 33 0D3059B FOAM, EXHAUST SIDE ENCLOSURE FRONT 0D3059C FOAM, EXHAUST FAN HOUSING 35 0D77 24 WASHER, SELF LOCKING 22 WASHER, SELF LOCKING (7KW) 3 0D3059D FOAM, FRONT EXHAUST ENCLOSURE COVER 37 0D3059E FOAM, BACK EXHAUST ENCLOSURE COVER 38 0C778 2 DOOR, PAWL 39 0D3037 LATCH, QUARTER TURN LOCKING 40 0D2537 HINGE, LIFT OFF, TYPE A PIN 4 0D2538 HINGE, LIFT OFF, TYPE B PIN 42 0D3037A LATCH, QUARTER TURN NON-LOCKING 43 0A25 4 WASHER NYLON.250" 44 022097 9 WASHER LOCK M-/4" 45 022473 4 WASHER FLAT ¼" ZINC 4 032 4 RIVET POP.25 X.29-.33/#30 47 0474 2 SCREW HHC M-.0 X G8.8 48 043 5 SCREW HHC M-.0 X 2 G8.8 043 SCREW HHC M-.0 X 2 G8.8 (7KW) 49 0D3700 8 NUT, LOCKING FLANGE M-.0 50 08352 SCREW TAPTITE M8-.25 X BP 5 090388 3 SCREW TAPTITE M-.0 X 2 BP 24 SCREW TAPTITE M-.0 X 2 BP (7KW) 52 09220 2 NUT LOCK TRIC M X.0 Y/ZNC 54 0D37 GASKET, BATTERY SUPPORT BRACKET 55 0A38 PLUG, PLASTIC 0.593 5 05544 LUG SLDLSS #2-#8X7/4 CU 57 092079 SCREW TAPTITE M-.0X25 BP 58 0A58 2 L/WASH SPECIAL ¼ 59 0C2937 BRACKET, BATTERY HOLD DOWN (7KW) 0 08729 CONTACTOR, STARTER (7KW) 0388040AJ0 CABLE, # RED BATTERY 38.5" 2 02227 2 NUT HEX /4-20 STEEL (7KW) 3 02229 4 WASHER LOCK 5/ 02229 5 WASHER LOCK 5/ (7KW) 4 074908 8 SCREW TAPTITE M5-0.8 X BP 5 0D2 HARNESS, ENGINE 0D25 HARNESS, ENGINE (7KW) 0284F BUSHING, SNAP SB-00-2 7 02242 SCREW HHC 5/-8 X 3/4 G5 (7KW) 8 0A783 2 RIVET,/8" X 0.2" - 0.375" LSH POP 9 0A8475 2 L/WASH SPECIAL # 70 09297009 ASSEMBLY, ROOF / DOOR GROUND WIRE 7 092970070 2 ASSEMBLY, ROOF / DOOR GROUND WIRE 72 055450 2 PLUG PLASTIC.375 73 0D2023.5 GASKET, CLIP-ON SELF GRIPPING 74 0D370 PLATE, "HOT" 75 0D72 GROMMET 2.75 X / 7 0C8742 EXTERNAL CONNECTION BOX 77 0C89 POWER BLOCK 78 0D8442 HARNESS GENERATOR TO EXTERNAL CONNECTION BOX 0D852 HARNESS GENERATOR TO EXTERNAL CONNECTION BOX (7KW) 79 03937 2 SCREW PPHM #- X 80 02252 5 WASHER LOCK # 8 0573 2 WASHER FLAT M5 82 02258 5 NUT HEX #- STEEL 83 0D303 FUEL LINE, 3/4"OUTDOOR (NOT SHOWN) 84 02850 WASHER SHAKPROOF EXT /4 STEEL 85 04983 NUT HEX M-.0 G8 YELLOW CHROME 8 0D2537A HINGE, LIFT OFF, TYPE A KNUCKLE 87 0D2538A HINGE, LIFT OFF, TYPE B KNUCKLE 88 0474 2 SCREW HHC M-.0 X G8.8 89 0A23 SCREW SWAGE /4-20 X 90 0437 4 SCREW HHC M8-.25 X 25 9 02245 8 WASHER FLAT 5/ 92 04577 4 NUT HEX M8-.25 93 0C390 2 SELF-ALIGN SCREW M HH 94 0E4 PANEL, EXHAUST ALIGNMENT Generac Power Systems, Inc. 33

Control Panel Drawing No. 0E7974-B 22 8,9 37 38 27 47 45 44 4 9 48 4 38 7 29 2 2 4 7 35 27 23 49 3 40 5 2 20 7 49 43 45 44 3 5 4 2 5 35 3 4 30 3 47 45 24 45 47 Generac Power Systems, Inc.

Control Panel Drawing No. 0E7974-B 0E788A CIRCUIT BREAKER 30A X 2P 240V (7KW) 0E788C CIRCUIT BREAKER 40A X 2P 240V (8.5KW) 0E788D CIRCUIT BREAKER 45A X 2P 240V (KW) 0E788E CIRCUIT BREAKER 50A X 2P 240V (2KW) 0E788F CIRCUIT BREAKER 0A X 2P 240V (3KW) 0E788G CIRCUIT BREAKER 70A X 2P 240V (5KW) 2 0A80 ASSEMBLY, BATTERY CHARGER ENGINE 3 083049 ASSEMBLY, POTTED REGULATOR 4 0C274 RELAY, 2V 25A SPST 5 0752A BLOCK POSITION 0D302 4 HEX STAND-OFF #- x 3/8" 7 0D85 ASSEMBLY, HOME STANDBY CON- TROLLER 0D85A ASSEMBLY, HOME STANDBY CONTROLLER (7KW) 8 0300 2 HOLDER, FUSE 9 0227 FUSE, 5AMP X AGC5 0E4494 SWITCH, ROCKER DPDT ON-OFF-ON 0E7890 CIRCUIT BREAKER MOUNTING BRACKET 2 0284E SNAP BUSHING 3 07547 4 SCREW PPHM M4-0.7 x mm 4 02224 8 WASHER LOCK #8-M4 5 0575 8 NUT HEX M4-0.7 04382 4 WASHER LOCK M3 04382 2 WASHER LOCK M3 (7KW) 7 0438 4 SCREW PHM M3-0.5 x mm 8 0D8443 DECAL, CONTROL PANEL (NOT SHOWN) 9 054502 CIRCUIT BREAKER 3 X ETA 4-500-P 05323 CIRCUIT BREAKER 2.5 X ETA 4-500-P (7KW) 20 0E7870 CONTROL, PANEL BOTTOM 0E787 CONTROL, PANEL BOTTOM (7KW) 2 075235 4 SCREW HHC M5-0.8 x 30mm 22 0D5240 SWITCH, SPST (ON)-ON N/O 23 0574 4 NUT HEX M3-0.5 0574 2 NUT HEX M3-0.5 (7KW) 24 0D8502 NEUTRAL CONNECTOR 2 0D844 HARNESS, CONTROL PANEL (NOT SHOWN) 0E020 HARNESS, CONTROL PANEL WIRE (NOT SHOWN) (7KW) 27 074908 4 SCREW TAPTITE, M5-0.8 x BP 28 04922 WASHER LOCK M5 29 057 NUT HEX M5-0.8 30 0C39 TRANSFORMER 3 022507 2 SCREW HHC /4"-20 x /2" 099727 FUSE 5A X AGC5 33 0489 BLOCK TERMINAL STRIP 20A 4 X X 0V 037 RELAY PANEL 2VDC DPDT A 240VAC 35 075475 4 SCREW PPHM M4-0.7 x mm 3 04380 2 WASHER FLAT M4 37 0D8439 COVER, CONTROL PANEL COMPONENT 0E09 COVER, CONTROL PANEL COMPONENT (7KW) 38 09203 8 SCREW PPHMS/LW #- x /4" 39 045770 2 SCREW HHC M5-0.8 xmm 40 0E78 COVER, CONTROL PANEL 0E787 COVER, CONTROL PANEL (7KW) 4 0D3700 NUT FLANGE M-.0 NYLOK 42 09297009 ASSEMBLY, ROOF/DOOR GROUND WIRE 43 0A23 SCREW SWAGE /4"-20 x " 44 0A58 2 WASHER LOCK SPECIAL /4" 45 022473 3 WASHER FLAT /4"-M 4 038750 SCREW HHC M-.0 x 30mm 47 022097 3 WASHER LOCK M-/4" 48 04983 NUT HEX M-.0 49 03879 4 WASHER FLAT #4 03879 2 WASHER FLAT #4 (7KW) 50 023897 2 WASHER FLAT # Generac Power Systems, Inc. 35

7 kw GTS Load Center Assembly Drawing No. 0E7975-A 2 3 7 9 5 2 3A 3 33 24 7 2 37 9 25 3 29 30 9 22 3 27 5 3B 20 22 2 23 8 4 8 4 35 3 Generac Power Systems, Inc.

7 kw GTS Load Center Assembly Drawing No. 0E7975-A 0D480 BOX GTS LOAD CENTER 2 0D4800 COVER, 8 POSITION GTS LOAD CENTER 3 0C2237 TRANSFER SWITCH HOME STANDBY 0A 2P 250V 3A 077220 COIL UTILITY 3B 077220A COIL STANDBY 3C 082574 INSULATOR-SIDEWALL (NOT SHOWN) 3D 08444 LIMIT SWITCH OPERATION (NOT SHOWN) 4 074908 8 SCREW TAPTITE M5-0.8 X BP 5 02492 SCREW TAPTITE /4-20 X 5/8 BP 0A58 LOCK WASHER, SPECIAL-/4" 7 037 RELAY PANEL 2VDC DPDT A@240VAC 8 0E7889A 8 CIRCUIT LOAD CENTER 25A/240V 9 0A495 4 SCREW HHTT M4-0.7 X 0A 2 RIVET POP 0.5" X 0.75" 022473 WASHER FLAT /4-M 2 0D3094 HARNESS,GTS TO MAIN PANEL 3 0D484A PLATE HARNESS ADAPTER 4 0E7900 SUBPLATE, LOAD CENTER 5 05.5" TRIM VINYL BLACK /8GP 02252 WASHER LOCK # 7 0452 2 SCREW HWHS #-25 X 3/8 8 0E55 ARM EXTENDER PIN 9 03378 4 HOLDER CABLE TIE 20 0A2 4 SCREW SWAGE /4-20 X /2 ZINC 2 07438 2 LUG QUICK DISCONNECT NI-S X45 DEG BRASS / TIN 22 03933 SCREW PPHM #- X 3/8" 23 077033 LUG SLDLSS /0-#4X9/ AL/CU 24 048850 BLOCK TERMINAL 20A 5 X X 0V 25 028739 4 TIE WRAP UL 3.9" X." NAT'L 2 0D4802 HARNESS, GTS TO EXTERNAL CONNECTION BOX 27 0D39 COVER, RELAY & TERM BLOCK 28 0D3088 WIRE HARNESS,GTS LOAD CENTER (NOT SHOWN FOR CLARITY) 29 07359 2 FUSE HOLDER 30 073590A 2 FUSE 5A X BUSS 3 04023B 4 PCB SUPPORT SNAP-IN -3/8" 0E7888C CIRCUIT BREAKER 20A X P 33 0A725 4 SCREW SW /4-20X5/8 WITH WASHER 0E7888B 5 CIRCUIT BREAKER 5A X P 35 0E7888A CIRCUIT BREAKER 30A X 2P 3 0D30 COVER - HARNESS ENTRY 37 0E93 BRACKET, ARM EXTENDER Generac Power Systems, Inc. 37

2 kw and 5 kw GTS Load Center Assembly Drawing No. 0E7973-B 2 37 3 7 9 5 2 3A 3 39 24 20 7 40 9 3 22 30 9 3 27 5 3B 2 22 2 23 8 38 4 8 33 38 38 Generac Power Systems, Inc.

2 kw and 5 kw GTS Load Center Assembly Drawing No. 0E7973-B 0D308 BOX GTS LOAD CENTER 2 0D3092 COVER, 2 POSITION GTS LOAD CENTER 3 0C2237 TRANSFER SWITCH HOME STANDBY 0A 2P 250V 3A 077220 COIL UTILITY 3B 077220A COIL STANDBY 3C 082574 INSULATOR-SIDEWALL (NOT SHOWN) 3D 08444 LIMIT SWITCH OPERATION (NOT SHOWN) 4 074908 SCREW HHTT M5-0.8 X 5 02492 SCREW HHTT /4-20 X 5/8 0A58 LOCK WASHER, SPECIAL-/4" 7 037 RELAY PANEL 2VDC DPDT A@240VAC 8 0E7889 2 CIRCUIT LOAD CENTER 25A/240V 9 0A495 4 SCREW HHTT M4-0.7 X 0A 2 RIVET POP.5" X.75" 022473 WASHER FLAT /4-M ZINC 2 055450 PLUG PLASTIC.375 3 0D484 HARNESS ADAPTER PLATE 4 0E7900 SUBPLATE, LOAD CENTER 5 05.5" TRIM VINYL BLACK /8"GP 02252 WASHER LOCK # 7 0452 2 SCREW HWHS #-25 X 3/8" 8 0E55 ARM EXTENDER PIN 9 03378 4 HOLDER CABLE TIE 20 0D3094 HARNESS,GTS TO MAIN PANEL 2 07438 2 LUG QUICK DISCONNECT NI-S X45 DEG BRASS / TIN 22 03933 SCREW PPHM #- X 3/8" 23 077033 LUG SLDLSS /0-#4X9/ AL/CU 24 048850 BLOCK TERMINAL 20A 5 X X 0V 25 028739 4 TIE WRAP 3.9" X." 2 0A2 4 SCREW SWAGE /4-20 X /2" ZINC 27 0D39 COVER, RELAY & TERMINAL BLOCK 28 0D3088 WIRE HARNESS,GTS LOAD CENTER (NOT SHOWN FOR CLARITY) 29 07359 2 FUSE HOLDER 30 073590A 2 FUSE 5A X BUSS 3 04023B 4 PCB SUPPORT SNAP-IN -3/8" 0E7888C 3 CIRCUIT BREAKER 20A P 33 0E7888 CIRCUIT BREAKER 20A 2P 0E7888B 5 CIRCUIT BREAKER 5A P 35 0E7888A CIRCUIT BREAKER 30A 2P 3 0D30 COVER - HARNESS ENTRY 37 0D3093 HARNESS, GTS TO EXT CONN BOX 0D8597 HARNESS, GTS TO EXT CONN BOX (8.5KW) 38 075475 2 SCREW PPHM M4-0.7 X 39 0A725 4 SCREW SW /4"-20 X 5/8" WITH WASHER 40 0E93 BRACKET, ARM EXTENDER Generac Power Systems, Inc. 39

GT-990 Engine Drawing No. 0E8774-B Part 38 40 42 44 45 37 43 4 40 27 3 2 47 48 49 50 55 5 52 3 35 33 24 23 53 25 30 5 54 58 57 B A 59 8 0 22 A 7 5 2 72 73 3 2, 5, 9, 20, 39, 40, 47, 4, 93, 40 3,, 33,, 35, 3, 40, 72 3 4 20 4 5 8 2 9 7 2 5 43 4 40 Generac Power Systems, Inc.

GT-990 Engine Drawing No. 0E8774-B Part 0C5729 ASSEMBLY, CRANKCASE HOUSING WITH SLEEVE 2 0C3008 SEAL, 38 I.D. CRANKSHAFT 3 090388 4 SCREW, TAPTITE M-.0 X 2 YC 4 0C5372 ASSEMBLY, BREATHER 5 0C3005 GASKET, BREATHER COVER 0E3372B 3 SEPARATOR, OIL BREATHER 7 0D807A ASSEMBLY, HEAD # G&S 8 07983 4 RETAINER, PISTON PIN 20 9 0C298C ROCKER, COVER NO OIL FILL 0457A 4 STUD M8-.25/MM X 30 G5 ZINC 0E2985 2 PISTON, HC 2 02533 2 SET, PISTON RING 90MM 3 0E4 2 PIN PISTON 4 0D404 ASSEMBLY, CAMSHAFT & GEAR 5 0C2983 SHAFT, GOVERNOR A 0C2985A 2 ROLLER BEARING, GOVERNOR PLATE B 0C2985B ROLLER BEARING, GOVERNOR 7 0D4042 ASSEMBLY,GOVERNOR GEAR 8 0A78 SPOOL, GOVERNOR MACHINED 9 0C2977 GASKET, CRANK CASE 20 0C5943 SEAL, OIL PASSAGE 2 0E4357E ASSEMBLY, CRANKSHAFT HORIZONTAL DIRECT DRIVE 22 0E23 2 ASSEMBLY, CONNECTING ROD 23 0D257 2 SCREW SHC M-.0 X 50 G8.8 24 0E098 SCREEN, OIL PICKUP 25 0D423A ASSEMBLY, OIL PUMP 2 07899E 2 SLEEVE, SEAMED DOWEL DIA. 27 0C30 2 COVER, OIL RELIEF 28 0C3009 2 SPRING, OIL RELIEF 29 0C30 2 BALL, /2D OIL RELIEF 30 093873 2 WASHER, LOCK RIB M 3 0C535 GEROTOR, OUTER 0C5998 CLAMP, OIL TUBE 33 0D7 ARM, GOVERNOR 0C299 2 E-RING, GOVERNOR ARM 35 0C2988 THRUST WASHER, GOVERNOR 3 0C2992 BUSHING, GOVERNOR LOWER 37 0C397C ASSEMBLY, DIPSTICK WITH HANDLE 38 0C5305 TUBE, DIPSTICK 39 0C3027 O-RING, OIL CLR 3/8 X /2 40 0C3007 SEAL, 42 I.D. CRANKSHAFT 4 0C573 ASSEMBLY, HOUSING COVER WITH SLEEVE 42 0C300 9 SCREW, HHFC M-.5 X 55 43 08038 8 SCREW HHFC M-.0 X 25 44 09304 ASSEMBLY, OIL FILL CAP 45 0C8808 2 HOOK, LIFTING 4 0D2723B ROCKER, COVER WITH OIL FILL 47 0C2979 2 GASKET, VALVE COVER 48 0855 8 KEEPER, VALVE SPRING 49 0D2274 4 RETAINER, VALVE SPRING 50 0D387 4 SPRING, VALVE 5 07872 2 SEAL, VALVE STEM D7 52 0C537 4 WASHER, VALVE SPRING 53 07294 4 STUD, ROCKER ARM PIVOT 54 0D3998 4 NUT HEX M8-.0 G8 YEL CHR 55 0C3027 2 O-RING, 3/8" X /2" 5 0D533 4 ROCKER ARM 57 0D024 2 PLATE, PUSH ROD GUIDE 58 0C297 2 SCREW HHFC M8-.25 X 5 59 085 2 VALVE, EXHAUST 0 0C2229 2 VALVE, INTAKE 083897 4 TAPPET, SOLID 2 0D807B ASSEMBLY, HEAD #2 G&S 3 0D9853D 4 PUSHROD, 47 4 0C2978 2 GASKET, HEAD 5 043790A BARBED ELBOW 90 3/8NPT X 3/8 L0CKTITE 0D40 KIT GASKET 7 0D40 KIT PISTON & RINGS 8 0D402 KIT BREATHER ASSEMBLY 9 0D403 KIT GOVERNOR ASSEMBLY 70 0D875A KIT HEAD ASSEMBLY CYLINDER 7 0D875B KIT HEAD ASSEMBLY CYLINDER 2 72 0D405 KIT OIL RELIEF 73 0D40 KIT GEAR COVER Generac Power Systems, Inc. 4

GT-990/70 Engine Drawing No. 0E8774-B Part 2 74 75 38 7 77 22 24 25 23 20 37 3 39 35 25 79 78 9 24 33 80 43 4 27 5 42 8 2 8 8 29 30 97 8 99 2 83 9 95 87 84 8 88 85 89 90 89 99 2 3 5 9 4 9 92 7 8 2 2 3 42 Generac Power Systems, Inc.

GT-990/70 Engine Drawing No. 0E8774-B Part 2 74 0C53A 2 KNOB, AIR CLEANER 75 0C3024 COVER, AIRBOX NG/LP 7 0C3040 PRE-CLEANER, 77 0C827 ELEMENT, AIR CLEANER 78 0D854A ASSEMBLY, MIXER/AIRBOX 990 0D854B ASSEMBLY, MIXER/AIRBOX 70 79 0D2595 4 SCREW SHOULDER (8MM) M-.0 X 8 80 0D447 4 WASHER,RUBBER /4" X /8" THICK 8 0C3025 SWITCH, OIL PRESS 82 0D3083 ASSEMBLY, OIL DRAIN HOSE 83 0C7292 NIPPLE, 3/4"- UNF 84 07085B OIL FILTER 85 07528 SWITCH, THERMAL 284F 8 0C85 2 SCREW PPHM M3-0.5 X 8 87 04382 2 WASHER LOCK M3 88 0354A 2 BARBED STR /4NPT X 3/8 WITH VIBRA SEAL 89 0C749 4 CLAMP HOSE.38-.87 90 0C980 2 HOSE, 3/8" I.D. X " LONG 9 0C302 COOLER, OIL 92 0C974 4 PLASTITE,/4-5 X 3/4 93 0C3043 2 GASKET, MANIFOLD / PORT 94 0C794 MANIFOLD CYLINDER 2 95 0C793 MANIFOLD CYLINDER 9 0C304A 2 SLEEVE, RUBBER 97 070008 4 WASHER FLAT M8 SS 98 07000 4 WASHER LOCK M8 SSTL 99 04097 4 SCREW SHC M8-.25 X 20 G2.9 0 0E4997 ASSY,GROUND WIRE CONNECTOR 0E4997 GROUND WIRE CONNECTOR 2 0C3725B FLYWHEEL ASSEMBLY 3 0C303 FAN, NYLON 4 0C30 PLATE, FAN 5 0A5992 2 WASHER SHAKEPROOF INT M8 SS 05754 2 SCREW HHC M8-.25 X 2 G8.8 7 0C3033 WASHER, 25mm I.D. 8 0C30 NUT,HEX M24 9 0C8549A SNORKEL, AIR INTAKE 0C3022A HOUSING, BLOWER NG COOLER 0D3 GUARD, FAN 2 04575 25 SCREW TAPTITE M-X YELLOW CHROME 3 0C973 4 NUT, GROMMET /4 PLUG 4 0C303A HOSE, BREATHER 5 02245 WASHER FLAT 5/-M8 ZINC 02229 WASHER LOCK M8-5/ 7 0C308 WRAPPER, UPPER CYLINDER 8 0C309 WRAPPER, LOWER CYLINDER 9 0D42A WRAPPER, LOWER CYLINDER 2 20 0D43 WRAPPER, UPPER CYLINDER 2 2 0E043 2 SCREW TAPTITE M5-0.8 X 8 ZP 22 0E7209 ASSEMBLY, GROUND WIRE 23 0C3052 2 ASSEMBLY, IGNITION COIL 24 022097 4 WASHER LOCK M-/4 25 092079 4 SCREW TAPTITE M-.0 X 25 BP 2 0E427 STARTER 27 0D4529 2 SPARKPLUG 28 02229 2 WASHER LOCK M8-5/ 29 090 2 SCREW HHC M8-.25 X 85 G8.8 30 082774 KEY, WOODRFF 4 X 9D 3 0E53 NUT HEX LOCK M-.50 0C848 SPRING, ANTI-LASH 33 0C3048 ROD, GOVERNOR CONTROL 0D3754 ASSEMBLY, GOVERNOR LEVER 35 0D3742 SPRING, GOVERNOR 3 0C8482 ASSEMBLY, GOVERNOR ADJUSTER 37 0E048 SCREW SHC M-.5 X 75 G.9 38 0D3743 SPRING, GOVERNOR IDLE 39 0D3705 ASSEMBLY, GOVERNOR ADJUSTER BRACKET 40 0C2993 SEAL, GOVERNOR SHAFT 4 0C853 4 SCREW HHFC M-.0 X 2 42 04577 NUT HEX M8-.25 G8 43 0D47 SCREW HHFC M-.0 X mm 44 0E852 O-RING 0.49" I.D. X 0.07" THICK Generac Power Systems, Inc. 43

7 kw Generator Drawing No. 0D3504-C 23 5 3 5 7 39 2 8 53 9 4 2 52 33 3 45 30 4 40 37 3 3 28 7 38 47 3 20 2 22 4 5 3 7 30 44 35 5 9 48 2 24 28 27 8 28 28 3 44 Generac Power Systems, Inc.

7 kw Generator Drawing No. 0D3504-C 0C9 ADAPTOR, ENGINE 2 0C9935H STATOR 3 0C99H ROTOR 4 0C043A CARRIER, REAR BEARING 5 0C809 FAN, 8" CURVED BLADE 0C9593 MUFFLER 7 0D20 TAIL PIPE, MUFFLER 8 0C880 PANEL, MUFFLER BASE 9 0397 BEARING #205-2RS-C3 0C38 3 5/ SPECIAL L/WASH 0547 BOLT ROTOR HHCS 5/"-24 X 3-/2" G5 2 0D847 4 BOLT STATOR HHCS M8-.25 x 305mm 3 0C7038C BRACKET, ALTERNATOR MOUNTING 4 0D47 DUCT, ALTERNATOR AIR 5 0D2558 GASKET, ALTERNATOR AIR DUCT 0C7038B BRACKET, ENGINE MOUNTING 7 0C7758 4 RUBBER MOUNT 8 0388050AE0 CABLE, # 40" BLACK BATTERY 9 0C247A EARTH STRAP 3/8X 3/8 20 0822C CLIP-J VINYL COAT.25 ID 2 038 ASSEMBLY BRUSH HOLDER 22 02945.8 FT TAPE ELEC UL FOAM /8 X /2 23 04945 WASHER FLAT.40ID X.2OD 24 022237 4 WASHER LOCK 3/8 25 0225 4 BOLT HHC 3/8- X -/4 G5 2 0223 4 WASHER FLAT 3/8 ZINC 27 039287 4 SCREW HHC M8-.25 X 45 G8.8 28 02245 4 WASHER FLAT 5/ ZINC 29 049820 4 NUT LOCK HEX M8-.25 NYL INSRT 30 090388 3 SCREW TAP M-.0X2 BP 3 02229 3 WASHER LOCK M8-5/ 022259 8 NUT HEX 5/-8 STEEL 33 05937 2 SCREW TAPTITE 3/8-X 3/4" BP 04803K 3 BAND, HOSE CLAMP 35.05 DIA. 35 0C9592 BELLOWS 3 057822 2 CLAMP HOSE #8.53 -.00 37 04097 2 SCREW SHC M8-.25 X 20 G2.9 38 0C2824 SCREW TAPR #- X 9/ 39 02545 U-BOLT 5/"-8 X.25" W/ SADDLE 40 090239 GASKET, EXHAUST 4 0C989 STINGER, ENGINE AIR IN 42 0D24 BASE, AIR CLEANER 43 0C827 ELEMENT, AIR CLEANER 44 0C3024 COVER, AIR CLEANER NG/LP 45 0D2273 TUBE,.25"O.D. x 20Ga. x 2.25" LONG 4 0559N CLAMP VINYL.3 X.28 Z 47 074994.25 FT HOSE \2ID PETROLEUM 48 0C53A 2 KNOB, AIR CLEANER 49 07490 4 SCREW TAPTITE M- X 20 BP 50 022473 4 WASHER FLAT /4 ZINC 5 0D42 SCREW HHTT M8-.2 X 20 BP 52 0C8290 GASKET, PANEL 53 0849 2 SCREW HHTT M5-0.8 X Generac Power Systems, Inc. 45

2 kw and 5 kw Generator Drawing No. 0D7-H 2 5 24 7 2 43 40 37 39 8 2 3 38 33 3 3 28 7 3 20 2 22 4 5 7 9 25 30 9 24 3 29 35 8 28 27 3 29 4 3 35 28 3 3 4 Generac Power Systems, Inc.

2 kw and 5 kw Generator Drawing No. 0D7-H 0C9 ADAPTOR, ENGINE 2 0C7930 STATOR 2KW 0D2359 STATOR 3KW / 5KW 3 0C7944 ROTOR 2KW 0D235 ROTOR 3KW / 5KW 4 0C043 CARRIER, REAR BEARING 5 0D233 FAN, 2" CURVED BLADE 0D MUFFLER 7 0D20 TAIL PIPE, MUFFLER 8 0C8 PANEL, MUFFLER BASE 9 05482 BEARING.8-2.8 0C38 3 5/ SPECIAL LOCK WASHER 0D838 BOLT, HHCS 3/8"-24 x 5.50" 2 0D84 4 BOLT, HHCS M8-.25 x 5mm 3 0C7038 BRACKET, ALTERNATOR MOUNTING 4 0D09 DUCT, ALTERNATOR AIR 5 0D2559 GASKET, ALTERNATOR AIR DUCT 0C7038A BRACKET, ENGINE MOUNTING 7 0C7758 4 RUBBER MOUNT 8 0388050AD0 CABLE, # 48" BLACK BATTERY 9 0C247A EARTH STRAP 3/8X 3/8 20 0822C CLIP-J, VYNL COAT 0.25" ID 2 038 ASSEMBLY BRUSH HOLDER 22 02945 2. FT TAPE ELEC UL FOAM /8 X /2 23 04945 WASHER FLAT.40ID X.2OD 24 022237 5 WASHER LOCK 3/8 25 0225 4 SCREW HHC 3/8- X -/4 G5 2 0223 4 WASHER FLAT 3/8 ZINC 27 039288 4 SCREW HHC M8-.25 x 55 G8.8 28 02245 4 WASHER FLAT 5/ ZINC 29 049820 4 NUT LOCK HEX M8-.25 NYL INSERT 30 04575 2 SCREW TAPTITE M-.0X BP 3 02229 WASHER LOCK M8-5/ 022259 8 NUT HEX 5/-8 STEEL 33 05937 2 SCREW TAPTITE 3/8- X 3/4 BP 0D42 4 SCREW 5/-8X3/4" HH THD ROLL 35 074994 3 FT HOSE RES /2 LP GAS 3 057822 4 CLAMP HOSE #8.53 -.00 37 0F042 4 NUT HEX W/TOOTH WSHR M8-.25 38 0C2824 SCREW TAP-R #- x 9/ 39 02545 U-BOLT 5/"-8 X.25" WITH SADDLE 40 0C438 2 GASKET, EXHAUST PORT 4 04803C 2 CLAMP HOSE BAND ¼" 42 0300.33 FT HOSE /4 ID SAE 30R7 43 0849 2 SCREW HHTT M5-0.8 X Generac Power Systems, Inc. 47

GN4 Engine Drawing No. 0E980-A Part 20 9 8 43 33 4 44 35 3 23 22 24 37 48 2 47 38 27 28 40 29 5 2 25 30 3 4 25 3 50 7 49 54 52 2 3 4 5 7 8 42 9 48 Generac Power Systems, Inc. 45

GN4 Engine Drawing No. 0E980-A Part 0E2 ASSEMBLY, CONNECTING ROD 2 0E4 PIN, PISTON D20 3 02533 SET, PISTON RING 90MM 4 0E2985 PISTON, HC 5 07983 2 RETAINER, PISTON PIN 20 0E8440 ASSEMBLY, CRANKSHAFT GH4 SMALL TAPER 7 0A728 ARM, GOVERNOR RC45 8 07858 PIN, "R" GOVERNOR ARM 9 07859 2 WASHER, GOVERNOR ARM THRUST 0882E CRANKCASE, SUBASSEMBLY WITH PLUGS GH4 0E382 2 SEAL, 35 I.D. CRANKSHAFT 2 0E59 ASSEMBLY, GOVERNOR GEAR 3 07845 C-RING, GOVERNOR GEAR RETAINER 4 0A78 SPOOL, GOVERNOR- MACHINE 5 0A9877 ASSEMBLY, CAMSHAFT & GEAR 0770 GASKET, CRANKCASE 7 0273B GASKET, HEAD 4 8 0789 COVER, OIL PRESSURE RELIEF 9 0A577 SPRING, OIL RELIEF 30 20 0A577 BALL, DIA / PRESSURE RELIEF 2 073 WASHER, THRUST GOVERNOR GEAR 22 0A8898D ASSEMBLY, COVER, GEAR TOP CHECK / FILL 23 0D2274 2 RETAINER, VALVE SPRING 24 0C439 2 VALVE SPRING LF 25 08025 SET,GEROTOR 2 THK 2 0E3 BALANCER 27 0274 ASSEMBLY,CYLINDER HEAD SEATS & GUIDES 28 085 VALVE, EXHAUST 29 0857 VALVE, INTAKE 30 0D9853B 2 PUSH ROD 74.9 3 083897 2 TAPPET 07758 ASSEMBLY, SCREEN OIL PICK-UP 33 0C350 GASKET, ROCKER COVER 4 07294 2 STUD, D20 PIVOT BALL 35 083907 2 ROCKER ARM 3 0729 2 NUT, JAM (ROCKER ARM) 37 07894 PLATE, PUSH ROD GUIDE 38 02742 4 SCREW, HHFL M-.5 X 5 39 0D094 ASSEMBLY, ROCKER COVER BREATHER 40 079 PLUG, OIL FILL PLASTIC 4 0E0057 O-RING 7.8 I.D. x 2.4 42 0D4788 PLUG, STANDARD PIPE 3/8 STEEL SQUARE HEAD 43 074908 SCREW, TAPTITE M5-0.8 X BP 44 0855 4 KEEPER, VALVE SPRING 45 0780 4 SCREW & LOCKWASHER M- X 2 4 0A442 8 SCREW, HHFC M8-.25 X 42 47 07872 SEAL, VALVE STEM D7 48 08973 2 WASHER, VALVE SPRING 49 0B24 WASHER, LARGE SPRING 50 07899C 2 DOWEL, SEAMED SLEEVE 5 0A727 SHAFT, GOVERNOR RC55 52 043790A BARBED ELBOW 90 3/8NPT X 3/8 LOCKTITE 53 088590 DOWEL DIA 2 X 8L 54 07899B DOWEL, SLEEVE SEAMED 2 DIA. Generac Power Systems, Inc. 49

GN4 Engine Drawing No. 0E980-A Part 2 7 9 20 4 42 45 39 3 40 2 5 28 4 5 7 3 8 8 29 3 24 30 9 27 25 8 8 33 2 3 37 4 50 Generac Power Systems, Inc. 2

GN4 Engine Drawing No. 0E980-A Part 2 0C9 5 SCREW, TAPTITE M-.0X8 YELLOW CHROME 2 0D2922 HOUSING, BLOWER 3 0C8435 TUBE, DIPSTICK 4 0C9997 GUARD, FAN 5 0884 WRAPPER, BOTTOM 04575 SCREW, TAPTITE M-X YELLOW CHROME 7 0C47A WRAPPER, TOP 8 0D9004A ASSY, STARTER 9 059985 2 SCREW, SHC M8-.25 X 45 G2.9 02229 2 WASHER, LOCK M8-5/ 0C2458A BACKPLATE, L/F D/F 2 08352 SCREW, TAPTITE M8-.25 X BP 3 0D40A BREATHER TUBE 4 0939 GASKET, INTAKE ADAPTER 5 0C99 ASSEMBLY, PLASTIC CARB 0498 2 WASHER, FLAT M 7 022097 4 WASHER, LOCK M-/4 8 040945 2 SCREW, SHC M-.0 X 20 G2.9 9 08999 GASKET,OIL FILTR ADAPTER 20 0D57A ADAPTER, OIL FILTER 2 04982 2 SCREW, SHC M8-.25 X 30 G2.9 22 09923 SWITCH, OIL 8.0 PSI 23 07085B OIL FILTER 24 082774 KEY, WOODRFF 4 X 9D 25 09222E FLYWHEEL WITH RING GEAR DEG. 2 0798N WASHER,BELV-20 X 2.2 27 07890 NUT, HEX - FLYWHEEL 28 0E7585 SPARKPLUG 29 0727 ASSEMBLY,GOVERNOR LEVER 2 HP 30 072735 ROD,GOVERNOR CONTROL. 3 0C3978 SPRING, ANTI-LASH 0C040 ASSEMBLY, WIRE 33 0D970 ASSEMBLY, IGNITION COIL 092079 2 SCREW, TAPTITE M-.0 X 25 BP 35 0730 SPRING GOVERNOR 3 083502 BOLT, GOVERNOR ADJUST M5 37 082025 NUT HEX LOCK M5-0.8 NYINS ZINC 38 0D3083 ASSEMBLY, OIL DRAIN HOSE 39 0E7887C ASSEMBLY, CAP & DIPSTICK 40 090072 O-RING 9/ X 3/4 X 3/ 4 07528 SWITCH, THERMAL 42 04382 2 WASHER LOCK M3 43 0C4739 2 SCREW PPHM M3-0.5 X 44 0C4373 SPACER, ENDFRAME 45 02277B GROMMET Generac Power Systems, Inc. 5

Gas Regulator Drawing No. 0D8720-B 8 2 7 33 2 20 25 24 23 22 9 5 4 3 37 35 FOR GT 70 ENGINE ONLY 3 37 2 28 9 7 2 28 2 5 4 27 3 3 29 8 7 2 5 4 3 9 22 29 8 23 24 25 20 2 0D594 CASTING, TWIN REGULATOR HOUSING 2 0C575 SOLENOID, TWIN REGULATOR 3 0C447 GASKET, SOLENOID 4 0C480 PLUNGER, LP REGULATOR ASSEMBLY 5 0C070 SPRING-SOLENOID, PLUNGER 022985 4 WASHER, FLAT # 7 02224 4 WASHER, LOCK M4 8 075475 4 SCREW PPHM M4-0.7 X 9 0C570A JET, GN 4 ENGINE LP (7KW) 0C0 2* BARBED STRAIGHT /2NPT x /2 0979 2* O-RING, CHECK VALVE 2 0C445 2* ADJUSTER SCREW, TWIN REGULATOR 3 0C57 2* LEVER, REGULATOR 4 0C598 2* SUPPORT, INLET SEAL 5 0C0 2* SEAL, INLET 0C5759 2* PIN, PIVOT ARM 7 0C574 2 SPRING, REGULATOR 0C574A SPRING, REGULATOR (7KW) 8 070728 4 SCREW, PFHMS M3-0.5 x 5 070728 2 SCREW, PFHMS M3-0.5 x 5 (7KW) 9 0C09 2* GASKET, DIAPHRAGM 20 0C572 2* COVER, TWIN REGULATOR 2 04574 SCREW, TAPTITE M4X8 BP 04574 8 SCREW, TAPTITE M4X8 BP (7KW) 22 0C73 2* RIVET, POP.8 X.25 23 0C07 2* SUPPORT, DIAPHRAGM 24 0C470 2* DIAPHRAGM, TWIN REGULATOR 25 0C08 2* CAP, DIAPHRAGM SUPPORT 2 0C443A 2* INLET, TWIN REGULATOR. DIA. 27 02073 PLUG, STANDARD PIPE /8 STEEL SQUARE HEAD 28 0A40 2* PIN, LIMITED ADJUSTMENT 29 0D3308 4 WASHER, FLAT M3 X mm O.D. 0D3308 2 WASHER, FLAT M3 X mm O.D. (7KW) 30 0C443 INLET, TWIN REGULATOR NO HOLE - NOT SHOWN (7KW) 3 02844A BARBED STRAIGHT /8"NPT X /4" 0D598A JET IDLE PRIMER PHILLIPS HD 33 0C570B JET, GT70 CYL NAT GAS 0C570C JET, GT70 CYL 2 NAT GAS 35 0C570D JET, GT 70 LP CYL 3 0C570E JET, GT70 LP CYL 2 37 0D3973 2 PLUG, EXPANSION mm * A QUANTITY OF IS TO BE USED ON 7KW HOME STANDBY 52 Generac Power Systems, Inc.