Onan 1 5LK-51M Operator'S Manual And Parts Catalog Download Page 20 | Manualshive

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Summary of Contents for 1 5LK-51M

Page 1: ...O P E R A T O R S M A N U A L A N D P A R T S C A T A L O G FOR ELECTRIC GENERATING SETS LK SERIES 13 n 930 0301 5AK74 Printed In U S A...

Page 2: ...E FOR A NOMINAL CHARGE FROM YOUR ONAN DISTRIBUTOR WHEN ORDERING PARTS REMEMBER TO INCLUDE THE ONAN MODEL SPECIFICATION LETTER AND SERIAL NUMBER LOCATED ON THE NAMEPLATE OF YOUR ONAN UNIT THIS IS ESSEN...

Page 3: ...operated t h i s O n a n electric p l a n t will deliver the full power and the voltage and f r e q u e n c y r e g u l a t i o n promised by its n a m e p l a t e a n d published specifications T h...

Page 4: ...o interpret MODEL and SPEC NO 2 5 LK 3R 1 K U 4 5 1 Indicates kilowatt rating 2 Series identification 3 Voltage code of generator 3 indicates 120 240 volt R indicates remote electric starting 4 Factor...

Page 5: ...y pull rope recoil only Yes N o Starting by exciter cranking No Yes Battery charge rate amperes 8 Maximum Ventilation required cfm 1800 rpm Engine 300 300 Generator 60 60 Combustion 20 20 Output ratin...

Page 6: ...TRAP OF PIPE FITTINGS A T POINT OF RISE IA V O I D SHARP BENDS DRAIN CONDENSATION TRAP PERIODICALLY N U T LOCK WASHER F L A T WASHER MOUNTING R U B B E R S E T MOUNTING BASE SPACER l MOUNTING R U B B...

Page 7: ...sibili ty MOUNTING A permanent installation needs a sturdy level moun ting base of concrete heavy wood or structural steel at least 12 inches high to aid oil changing and operating Carefully assemble...

Page 8: ...or according to instructions and position it near the set to aid starting regulator line pressure must be within 2 to 8 ounces Always use flexible tubing between engine and the gas demand regulator Ga...

Page 9: ...NSFER SWITCH LOAD WIRE CONNECTIONS Set nameplate shows the electrical output rating of the set in watts volts and hertz The set wiring diagram shows the electrical circuits and connec tions necessary...

Page 10: ...mounted switchboard containing ammelers voltmeters circuit breakers is used these load wire connections apply Connect to the unused terminal of each ammeter one ungrounded hot generator lead Connect...

Page 11: ...AE 5W 30 STOPPING Push start stop switch to stop position Release switch when set stops If stop circuit fails close fuel valve Do not mix brands nor grades Refer to Maintenance Section for recommended...

Page 12: ...t off valve 3 Set the spark plug gap as given in the Specification Section 4 See that the choke is free and works easily Be sure to release choke lock on sets with electric choke 5 Start the engine in...

Page 13: ...e entire unit RETURNING UNIT TO SERVICE 1 Remove cover and all protective wrapping Remove plug from exhaust outlet 2 Check tag on oil base and verify that oil viscosity is still correct for existing a...

Page 14: ...U FLO COOLED MODELS HAVING FLYWHEEL WITH FOUR TIMING MARKS USE THIS MARK PAINTED WHITE ON LATER MODELS TC TIMING FLYWHEEL FIGURE 9 I G N I T I O N SYSTEM CHECK BREAKER POINTS Replace burnt or faulty p...

Page 15: ...fully in Before final adjustment allow engine to warm up Make idle adjustment with no load connected to the generator Use a tachometer or connect a frequency meter to generator output Slowly turn idle...

Page 16: ...ich secures the choke body Rotate choke body clockwise to increase choke and counterclockwise to decrease choke action leaner mixture At room temperature 70 F the choke valve should be almost wide ope...

Page 17: ...arburetor throttle lever is 1 32 inch from stop pin This setting allows immediate control by the governor after starting and synchronizes travel of the governor arm and the throttle shaft Speed Adjust...

Page 18: ...14 inch water column One ounce per square inch equals 1 73 inch water column Likewise 1 inch water column equals 0 58 ounces per square inch 2 Remove T 8 inch pipe plug C and connect manometer 3 With...

Page 19: ...T COVER BAFFLE PLATE SPARK P L U G GAP 0 0 2 5 GASOLINE 0 0 1 8 GAS F U E L ALWAYS R E P L A C E C A P T I G H T L Y K E E P C R A N K C A S E O I L y A T THIS L E V E L N E V E R O P E R A T E E N G...

Page 20: ...of the crankcase oil the filters etc frequently until the proper service time periods can be established For any abnormalities in operation unusual noises from engine or accessories loss of power ove...

Page 21: ...age will overcharge and possibly damage the battery Adjust the governor only to correct the DC voltage output of the generator at operating temperature If a carburetor adjustment is made check the gov...

Page 22: ...d and connected adjust the governor sensitivity screw if necessary to attain a minimum drop in speed from no load to full load operating with no hun ting condition 3 Remove the AC load and stop the se...

Page 23: ...ng V a l v e Clearance a Broken Valve Spring Valve or Valve Seal Leaking Piston Rings Worn or Broken Wrong Bearing Clearance C O O L I N G S Y S T E M AIR C O O L E D 1 Poor Air Circulation Dirty or O...

Page 24: ...cannot be identified return the part prepaid to your dealer or nearest AUTHORIZED SERVICE STATION Print your name and address plainly on the package Write a letterto the same address stating the reas...

Page 25: ...0 2 2 5LK 2M MANUAL 2500 240 60 1800 2 1 5LK 52M MANUAL 1500 240 50 1500 2 1 7LK 52M MANUAL 1700 240 50 1500 2 2 0LK 3M MANUAL 2000 120 240 60 1800 3 2 5LK 3M MANUAL 2500 120 240 60 1800 3 1 5LK 53M M...

Page 26: ...24...

Page 27: ...115 1 Gasket Kit Bearing Plate 18 PLATE REAR BEARING Excludes Bearing 101 0259 1 Spec A through C 101 0398 1 Begin Spec D 19 101 0367 2 Bearing Camshaft Front and Rear Precision 20 509 0041 1 Seal Bea...

Page 28: ...CRANKSHAFT FLYWHEEL CAMSHAFT AND PISTON GROUP 26...

Page 29: ...PRESSURE C O O L E D SETS 10 150 0075 1 Pin Center Camshaft 160 0202 1 Key 1 2 3 Spec A Only 11 PISTON AND PIN Includes RetainerRings 160 0650 1 Key 1 2 3 Spec B Only 112 0071 1 Standard 160 0975 1 Ke...

Page 30: ...2 8...

Page 31: ...e Mounting Screw 3 8 16 x 2 1 2 Oil Base to Block Base Oil COVER MOUNTING 5 16 18 x 2 1 4 5 16 18 x 1 3 4 Gear Cover 5 16 Oil Base 3 8 REF NO PART NO QTY USED PART DESCRIPTION 18 505 0110 19 509 0040...

Page 32: ...FUEL SYSTEM GROUP 2 9 30...

Page 33: ...aner Begin Spec C Optional Spec A and B REF PART QTY PART NO NO USED DESCRIPTION 27 140 0587 1 Nut Air Cleaner Plastic Begin Spec C Optional Spec A and B 28 850 0030 1 Washer Lock 10 29 870 0053 2 Nut...

Page 34: ...Choke Gasoline Carburetor Electric Choke Gas Gasoline Carburetors VALVE CHOKE Gasoline Carburetors t 1 146 0132 1 146 0127 1 146 0123 1 1 146 0122 1 2 146 0119 1 3 146 0124 1 5 146 0118 1 6 146 0112 1...

Page 35: ...Plug Idle Passage EShaft Weight Choke Key 5 6 7 Modification note Customer must drill 3 16 diameter hole through weight at 9 32 from shaft center for choke lock pin for gas operation on Gas Gasoline m...

Page 36: ...PART DESCRIPTION Pump Fuel Complete Repair Kit Includes Parts Marked Body Not Sold Separately Screw Self Tapping 8 32 x 7 8 Screw Phillips Self Tapping 6 32 x 5 8 Retainer Valve and Cage Gasket Valve...

Page 37: ...1 Pin Spiral Brass 1 8 x 5 8 Locating 1 Nut Bushing to Cover Screw REF NO PART NO QTY USED 19 WASHER FLAT 526 0180 4 526 0169 1 526 0130 2 526 0158 4 20 192 0186 1 21 870 0110 2 PART DESCRIPTION Star...

Page 38: ...IGNITION AND ANTI FLICKER GROUP 36...

Page 39: ...278 1 1 REF NO PART NO QTY USED PART DESCRIPTION 19 167 0064 20 334 0028 21 CABLE SPARK PLUG 167 1296 1 167 1487 I 22 332 0529 23 312 0058 1 24 160 0500 1 25 167 0188 1 26 167 1486 1 27 160 1152 1 28...

Page 40: ...15 GOVERNOR AND HOUSING GROUP 38...

Page 41: ...eel Blower Vacu Flo Set Key 5 6 7 14 134 0564 1 Scroll Vacu Flo Set Key 5 6 7 15 134 0816 16 134 0815 17 134 0661 18 134 0660 19 134 0656 20 309 0085 21 134 0658 22 134 0655 23 518 0074 24 526 0102 25...

Page 42: ...GENERATOR GROUP 1 1 3 2 12 2 2 6 2 4 2 3 7 1 4 13 16 15 17 18 8 21 IO r 3 3 2 9 3 0 2 7 2 8 4 0...

Page 43: ...0 4 Screw 3 8 16 x 1 Adapter Mounting 24 850 0050 4 Washer Lock 3 8 25 212 1214 4 Clamp Brush Rig Assembly 26 304 0323 1 Bracket Anti Flicker Resistor Mounting Spec A and B 312 0058 312 0058 211 0099...

Page 44: ...CONTROL GROUP 2 2 m 4 2...

Page 45: ...04 0344 1 Resistor Fixed 1 Ohm 25 Watt Key 5 Except Utility Models 6 7 16 304 0175 1 Resistor Adjustable 10 Ohm R E F P A R T QTY PART NO NO U S E D D E S C R I P T I O N 17 312 0017 1 Condenser 0 5 M...

Page 46: ...ame Mounting Bolts and Grounding Strap Excludes Mounting Cushions Strap Grounding to Frame Dolly Complete 2 Wheel Base and Handle Dolly Left Hand Base and Handle Dolly Right Hand Cushion Rubber Grip R...

Page 47: ...0021 1 Bushing Reducer 1 x 3 4 Use with Ensign Regulator 505 0099 1 Nipple 1 4 x 7 8 Use with Garretson Regulator 505 0038 1 Elbow 1 4 Use with Garretson Regulator 505 0302 1 Nipple Half 1 4 x 1 1 2...

Page 48: ...T DESCRIPTION Valve Shut off Tank Outlet Plug 1 8 Pipe Tank Drain Connector Compression Type With Nut Sleeve For 5 16 O D Vent Line Top Tubing Copper Vent Line 12 ft of 5 16 O D Elbow Inverted Male Fo...

Page 49: ...a copy of which is supplied with each Onan Product These Onan Authorized Service Centers have trained service personnel parts stock and the necessary facilities and tools for the service and repair o...

Page 50: ...future Adequate evidence of this scheduled maintenance must be offered when applying for a warranty claim i INSTALLATION Installation is extremely important and all Onan Products should be installed i...

Page 51: ...mm 1400 73RD AVENUE N E MINNEAPOLIS MINNESOTA 55432 A DIVISION OF ONAN CORPORATION...

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