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Section 7 — Exploded Views and Parts Lists

GT-990 Engine – Drawing No. 0G2963-F (Part 2)

ITEM PART 

NO. QTY. DESCRIPTION

 66 

0D6592 

WINGNUT, AIRBOX

 67 

0D4511 

PRECLEANER, AIR

 68 

0D9723 

ELEMENT, AIR CLEANER

  69 

0E5302 

STUD M6-1.0 X 73

  70 

0D4183 

ADAPTOR, SPIT BACK

 71 

0D6327 

GASKET, SPITBACK

 72 

0D2774B 

BASE, AIRBOX

 73 

0D5125 

SPRING, WINTER/SUMMER VALVE

  74 

0D2930 

VALVE, SUMMER / WINTER

  75 

0D4612A 

SNORKEL, AIR INTAKE

  76 

0D6143 

TUBE, HEAT RISER 50.8 I.D.

 77 

0D2775 

COVER, AIRBOX

 78 

0D5014A 

KNOB, AIRBOX 17mm

 79 

0D5014B 

KNOB, AIRBOX 95MM

  80 

049721 

SCREW HHC M6-1.0 X 35

  81 

022097 

WASHER LOCK M6-1/4

  82 

022473 

WASHER FLAT 1/4

  83 

0E8388 

NUT, HEX FLANGE WHIZ M6-1.0

 84 

0D6021 

STUD, METRIC

 85 

0C9093A 

HOSE, BREATHER 

 86 

0D4522 

CONTROLLER ASSEMBLY

  87 

074908 

SCREW HHTT M5-0.8 X 10

  88 

082025 

NUT, HEX LOCK M5-0.8 ZINC

 89 

0E3398 

ASSEMBLY, WIRE

  90 

0G4612 

CARBURETOR, H990 W/BALL STUD

  91 

0D4026 

GASKET, CARB TO SPACER (GT-990)

  92 

048031C 

CLAMP HOSE BAND 1/4

  93 

0F9176C 

 HOSE ¼  ID SAE 30R7 SETIFLEX II 9” 
PRE-CUT

 94 

0G0510 

GASKET, MANIFOLD TO CARBURETOR

  95 

084409D 

SLEEVING, FLEXO HW ¾ 3”

 96 

0D6313 

FILTER, FUEL

  97 

045756 

SCREW, HHTT M6-1 x 10 LONG

  98 

082025 

NUT,  HEX LOCK M5-0.8 ZINC

  99 

0G3730A 

SCREW, SHC M8-1.25 x 30LG SEMS

 100 

0C9911 

MANIFOLD, INTAKE

 101 

051714 

NUT HEX M3-0.5

 102 

0D5411 

ROD, SUMMER / WINTER VALVE

 103 

0D5445 

BUSHING, MINI CONTROL PANEL

 104 

0D5416A 

KNOB, CONTROL SUMMER / WINTER

 105 

0D5398 

CHOKE ASSEMBLY

 106 

0E6043 

SCREW TAPTITE M5-0.8 X 8 ZP

 107 

0D3432 

PANEL, CONTROL FACE PLATE

 108 

090388 

18 

 SCREW TAPTITE M6-1.0X 12 CLEAR 
ZINC

 109 

0D4767 

SWITCH ROCKER

 110 

0D1142A 

WRAPPER, LOWER CYLINDER 2 

 111 

0D1143 

WRAPPER, UPPER CYLINDER 2

 112 

0F1177 

ASSEMBLY, GROUND WIRE

 113 

 

 

ITEM PART 

NO. QTY. DESCRIPTION

 114 

0G3110 

SCREW TAPTITE M6-1.0 X 20 ZINC

 115 

0G3224B 

ASSY, IGN COIL W/DIODE NO ADV

 116 

0F6263 

PUMP, IMPULSE

 117 

0G0290 

HOSE, 3/8” ID x 6-1/2” SAE J30R9

 118 

0G0926 

SCREW, HHFCS M6-1.0 X 16 G8.8

 119 

0G0832 

ELBOW, RUBBER 90 DEG. GASOLINE

 120 

0E7585A 

SPARKPLUG, CHAMPION RC14YC

 121 

0E9323 

STARTER MOTOR GEAR REDUCED 

 122 

022129 

WASHER LOCK M8-5/16

 123 

061906 

SCREW HHC M8-1.25 X 85 G8.8

 124 

022145 

WASHER, FLAT M8

 125 

0F5467 

NUT, HEX M8-1.25 YELLOW ZINC

 126 

0D1131 

GUARD,FAN

 127 

0F1169B 

HOUSING, BLOWER GAS COOLER

 128 

0C9763 

NUT, GROMMET 1/4 PLUG

 129 

0C3034 

NUT,HEX M24

 130 

0C3033 

WASHER, M24

 131 

0C3032 

PLATE, FAN 

 132 

0A5992 

WASHER SHAKEPROOF INT M8 SS

 133 

051754 

SCREW HHC M8-1.25 X 12 G8.8

 134 

0C3031 

FAN, NYLON

 135 

0E4997 

ASSY,GROUND WIRE CONNECTOR

 136 

045756 

 SCREW TAPTITE M6-1X10 YELLOW 
CHROME

 137 

0C3725A 

FLYWHEEL ASSEMBLY

 138 

0G4928A 

 PLATE, BACKING GT990 W/OIL COOL 
ZINC

 139 

082774 

KEY, WOODRFF 4 X 19D

 140 

0C3043 

GASKET, MANIFOLD / PORT 

 141 

0C9764 

PLASTITE,1/4-15 X 3/4

 142 

0C3026 

COOLER, OIL 

 143 

0G3662 

 CLAMP, HOSE OETIKER STEPLESS 
17mm

 144 

0G0286 

HOSE, 3/8" I.D. X 6" SAE J30R9

 145 

035461 

BARBED STR 1/4NPT X 3/8 

 146 

070185F 

OIL FILTER, 90mm w/LOGO

 147 

0D3083 

ASSEMBLY, OIL DRAIN HOSE

 149 

0C3025 

SWITCH, OIL PRESS 

 150 

0G2363 

BRACKET, AIRBOX SUPPORT

 151 

0C3018 

WRAPPER, UPPER CYLINDER 1 

 152 

0C3019 

WRAPPER, LOWER CYLINDER 1 

 153 

0F9176 

3” 

HOSE, ¼” SAE 30R7 SETIFLEX II

 154 

0E0409 

ASSY, ROD, GOV. STEPPER MOTOR

 155 

0C8563 

SCREW HHHC M6-1.0 X12 

 157 

0D9784 

NUT, LOCK HEX M3-0.5 (GT-990)

 160 

0D6147 

SCREW HHFC M6-1.0 X 10mm

 161 

0G3224A 

ASSY, IGN COIL W/DIODE NO ADV

 162 

048031G 

CLAMP, HOSE BAND GREEN

 163 

0D6342 

BALL STUD, 10mm

Summary of Contents for 005396-0

Page 1: ...nance Troubleshooting Electrical Data Parts Warranty FOR THE NEAREST AUTHORIZED SERVICE CENTER 1 800 333 1322 Owner s Manual MODELS 004987 2 15 000 Watt 005396 0 17 500 Watt www centuriongenerators com COMMERCIAL INDUSTRIAL RESIDENTIAL ...

Page 2: ...2 6 2 Adding Gasoline 10 2 7 To Start The Engine 11 2 8 Stopping The Engine 11 2 9 Automatic Idle Control 12 2 10 Cold Weather Operation De Icer 12 2 11 Low Oil Pressure Shutdown System 12 2 11 1 Initial Start up 12 2 11 2 Sensing Low Oil Pressure 12 2 11 3 Restarting 12 2 12 Charging a Battery 12 Section 3 Maintenance 13 3 1 Maintenance Schedule 13 3 2 Product Specifications 13 3 2 1 Generator Sp...

Page 3: ...y Always disconnect spark plug wires and place the wires where they cannot contact the spark plugs to prevent accidental starting when setting up transporting adjusting or making repairs to the generator The generator produces dangerously high voltage that can cause extremely hazardous electrical shock Avoid contact with bare wires terminals etc Never permit any unqualified person to operate or se...

Page 4: ...he generator Parts of the generator are rotating and or hot during operation Exercise care near running generators GENERAL HAZARDS Never operate in an enclosed area or indoors For safety reasons the manufacturer recommends that the maintenance of this equipment is carried out by an Authorized Dealer The engine exhaust fumes contain carbon monoxide which can be DEADLY This dangerous gas if breathed...

Page 5: ...ions Adhere strictly to local state and national electrical and building codes Comply with regulations the Occupational Safety and Health Administration OSHA has established Also ensure that the generator is operated in accordance with the manufacturer s instructions and recommendations Do not alter the construction of the generator or change controls which might create an unsafe operating conditi...

Page 6: ...heel kit is not intended for over the road use Refer to Figure 2 and install the wheel kit as follows Place the generator on a hard flat surface Stand at the engine end of the unit and gently tilt the generator forward high enough to place wooden blocks beneath the cradle This will allow space to install the wheel assemblies Attach an axle bracket assembly with attached sleeve to either side of th...

Page 7: ...tery cables to the stator Connect the RED battery cable to the battery Positive terminal After making sure that the connection is tight slip the rubber boot over the terminal connection Connect the BLACK battery cable to the battery Negative terminal Make sure the connection is tight Double check all connections to ensure they are in the correct location and secure See Figure 3 Figure 3 Battery Co...

Page 8: ...30 Amp single phase 60 Hz electrical lighting appliance tool and motor loads 6 120 240 Volt AC 50 Amp Receptacle Located on underside of control panel Supplies electrical power for the operation of 120 240 Volt AC 50 Amp single phase 60 Hz welder or motor loads 7 Air Cleaner Filters intake air as it is drawn into the engine 8 Choke Knob Used when starting a cold engine 9 Winter Summer Valve See Co...

Page 9: ...efective appliance can cause a ground fault A GFCI receptacle does NOT protect against circuit overloads short circuits or shocks For example electric shock can still occur if a person touches charged electrical wires while standing on a non conducting surface such as a wood floor Figure 8 120 VAC 20 Amp GFCI Receptacle Testing the GFCI Test the GFCI outlet every month as follows Plug a test lamp ...

Page 10: ...ore attempting to recharge a battery Figure 11 12 Volt DC 10 Amp Receptacle 2 2 6 120 240 VAC 50 AMP RECEPTACLE Use a NEMA 14 50 plug with this receptacle Connect a 4 wire cord set rated for 250 Volts AC at 50 Amps to the plug Figure 12 Figure 12 120 240 VAC 50 Amp Receptacle 50 A Use this receptacle to operate 120 240 Volt AC 60 Hz electrical loads requiring up to 12 000 watts 12 0 kW of power Th...

Page 11: ...han for running This surge of power lasts only a few seconds when starting such motors Make sure to allow for high starting wattage when selecting electrical devices to connect to the generator 1 Figure the watts needed to start the largest motor 2 Add to that figure the running watts of all other connected loads The Wattage Reference Guide is provided to assist in determining how many items the g...

Page 12: ... fuel tank Always leave room for fuel expansion To reduce lead and carbon deposits use high quality UNLEADED gasoline with the generator engine Leaded REGULAR grade gasoline is an acceptable substitute Do not use premium gasoline Do not mix oil with gasoline Clean area around fuel fill cap remove cap Slowly add unleaded regular gasoline to fuel tank Be careful not to overfill Allow about 1 2 of ta...

Page 13: ...hen fully in to the Run position If engine falters move choke knob back out to 1 2 Choke position until the engine runs smoothly and then to Run position NOTE If engine fires but does not continue to run move choke lever to Full Choke and repeat starting instructions IMPORTANT Do not overload the generator Also do not overload individual panel receptacles These outlets are protected against overlo...

Page 14: ...s while recharging An explosive mixture will remain around the battery for a long time after it has been charged The slightest spark can ignite the hydrogen and cause an explosion Such an explosion can shatter the battery and cause blindness or other serious injury DANGER Do not permit smoking open flame sparks or any other source of heat around a battery Wear protective goggles rubber apron and r...

Page 15: ... inch or 1 01 mm Gasoline Capacity 16 U S gallons Oil Type Summer SAE 30 Winter 5W 30 Synthetic or 10W 30 Oil Capacity w Filter Change 1 7 Qts w o Filter Change 1 4 Qts Run Time Fuel Consumption 1 2 Load 10 Hours 1 6 gallons per hour 3 3 GENERAL RECOMMENDATIONS The warranty of the generator does not cover items that have been subjected to operator abuse or negligence To receive full value from the...

Page 16: ...ore often NOTE Whenever possible run engine for approximately 5 minutes to get the engine oil hot This will aid in draining the oil Use the following instructions to change the oil while the engine is still warm Clean area around oil drain hose and plug Remove oil drain plug from end of hose and oil fill plug to drain oil completely into a suitable container When oil has completely drained install...

Page 17: ...igure 20 Spark Arrestor 3 6 ADJUSTING VALVE CLEARANCE After the first 50 hours of operation check the valve clearance in the engine and adjust if necessary Important If feeling uncomfortable about doing this procedure or the proper tools are not available please take the generator to the nearest service center to have the valve clearance adjusted This is a very important step to insure longest lif...

Page 18: ... of an engine while in storage To avoid engine problems the fuel system should be emptied before storage of 30 days or longer as follows Remove all gasoline from the fuel tank DANGER Drain fuel into approved container outdoors away from open flame Be sure engine is cool Do not smoke Start and run engine until engine stops from lack of fuel While engine is still warm drain oil from crankcase Refill...

Page 19: ...Overchoking 8 Low oil level 9 Excessive rich fuel mixture 10 Intake valve stuck open or closed 11 Engine has lost compression 1 Clean or replace air cleaner 2 Fill fuel tank 3 Drain fuel tank and fill with fresh fuel 4 Connect wire to spark plug 5 Replace spark plug 6 Drain fuel tank fill with fresh fuel 7 Put choke knob to No Choke position 8 Fill crankcase to proper level 9 Contact Authorized Se...

Page 20: ...18 Section 5 Notes ...

Page 21: ...19 Section 6 Electrical Data Schematic Drawing No 0G2894 A ...

Page 22: ...20 20 Section 6 Electrical Data Wiring Diagram Drawing No 0G2892 A ...

Page 23: ...21 21 Section 6 Electrical Data Wiring Diagram Drawing No 0G2892 A ...

Page 24: ...22 Section 7 Exploded Views and Parts Lists GT 990 Engine Drawing No 0G2963 G Part 1 ...

Page 25: ...L RELIEF 27 0C3010 2 BALL 1 2D OIL RELIEF 28 093873 2 WASHER LOCK RIB M6 29 0F5458 1 SCREW PLASTITE HI LOW 10 30 0C5998 1 CLAMP OIL TUBE 32 0F2664E 1 ASSEMBLY DIPSTICK GTH 990 PORTABLE ITEM PART NO QTY DESCRIPTION 33 0D3745 1 TUBE DIPSTICK 34 0C3027 1 O RING 3 8 X 35 0E9842A 1 SEAL 42 I D CRANKSHAFT GREEN 36 0F8054 1 GEARCOVER ADAPTOR GTH990 760 37 0C3006 10 SCREW HHFC M10 1 5 X 55 38 080318 8 SCR...

Page 26: ...24 Section 7 Exploded Views and Parts Lists GT 990 Engine Drawing No 0G2963 G Part 2 ...

Page 27: ... 1 WRAPPER LOWER CYLINDER 2 111 0D1143 1 WRAPPER UPPER CYLINDER 2 112 0F1177 1 ASSEMBLY GROUND WIRE 113 ITEM PART NO QTY DESCRIPTION 114 0G3110 4 SCREW TAPTITE M6 1 0 X 20 ZINC 115 0G3224B 1 ASSY IGN COIL W DIODE NO ADV 116 0F6263 1 PUMP IMPULSE 117 0G0290 1 HOSE 3 8 ID x 6 1 2 SAE J30R9 118 0G0926 2 SCREW HHFCS M6 1 0 X 16 G8 8 119 0G0832 1 ELBOW RUBBER 90 DEG GASOLINE 120 0E7585A 2 SPARKPLUG CHA...

Page 28: ...26 Section 7 Exploded Views and Parts Lists Generator Drawing No 0G2964 ...

Page 29: ...1 BATTERY CABLE BLACK 19 0C2417A 1 EARTH STRAP 3 8X 3 8 20 082121C 1 CLIP J VINYL COAT 625 ID 21 066386 1 ASSEMBLY BRUSH HOLDER 22 0C2824 1 SCREW TAP R 10 32 X 9 16 23 0A2038 1 WASHER FLAT 3 8 ZINC 24 022237 1 WASHER LOCK 3 8 25 0D6214 1 SHIELD RUBBER MOUNT 26 045764 1 SCREW HHTT M4 0 7 X 8 27 051731 4 SCREW HHC M8 1 25 X 50 G8 8 28 022145 21 WASHER FLAT 5 16 ZINC 29 049820 4 NUT LOCK HEX M8 1 25 ...

Page 30: ...28 Section 7 Exploded Views and Parts Lists Control Panel Drawing No 0G2965 B ...

Page 31: ...METAL 17 5 KW 26 075207A 4 CIRCUIT BREAKER 30A 27 075207 2 CIRCUIT BREAKER 20A 28 068868 2 OUTLET 30A 120V RECEPT 29 0D4969 1 OUTLET 50A 125 250V ITEM PART NO QTY DESCRIPTION 30 043437 1 OUTLET 30A 125 250V 31 0D4968 1 OUTLET 20A 120V DPLX 32 0D4966 1 OUTLET 20A 120V GFCI 33 051715 14 NUT HEX M4 0 7 15 KW 005396 10 NUT HEX M4 0 7 17 5 KW 34 038150 14 WASHER FLAT 8 15 KW 005396 35 022264 14 WASHER ...

Page 32: ...30 Section 7 Exploded Views and Parts Lists Frame Handle Wheel Kit Drawing No 0E0695 B ...

Page 33: ... 1 0 X 12 26 064101 6 NUT LOCK FL 3 8 16 27 039214 6 BOLT CARR 3 8 16 X 1 28 0D9165 1 AXLE 3 4 DIA X 30 15 kW 0D2496 1 AXLE 3 4 DIA X 27 25 12 5 kW 29 045900 2 WASHER FLAT 3 4 15 kW 045900 4 WASHER FLAT 3 4 12 5 kW 30 0D7668 2 12 3 PNEUM WHEEL 3 4 AXLE 15 kW 0D2495 2 10 PNEUM WHEEL 3 4 AXLE 12 5 kW 31 0D4999 2 PIN COTTER 1 8 X 1 1 4 32 0D4044 2 BRACKET WHEEL SPACER 33 0D3700 4 NUT FLANGE M6 1 0 NY...

Page 34: ...owever be aware that Generac may deny any and or all warranty coverage or responsibility if your engine or a part component thereof has failed due to abuse neglect improper maintenance or unapproved modifications or the use of counterfeit and or grey market parts not made supplied or approved by Generac You are responsible for contacting a Generac Authorized Warranty Dealer as soon as a problem oc...

Page 35: ... by Generac according to Subsection 4 below Any such emissions related part repaired or replaced under the ECS warranty shall be warranted for the remainder of the ECS Warranty Period prior to the first scheduled replacement point for such emissions related part 4 Repair or replacement of any warranted emissions related part under this ECS Warranty shall be performed at no charge to the owner at a...

Page 36: ...ck of proper oil levels Failures due but not limited to normal wear and tear accident misuse abuse negligence or improper use As with all mechanical devices the Generac engines need periodic part s service and replacement to perform well This warranty will not cover repair when normal use has exhausted the life of a part s or engine Failures caused by any external cause or act of God such as colli...

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