Generac Power Systems MLG15 Owner'S Manual Download Page 2 | Manualshive

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Owner’s Manual for Mobile Generator

(000004)

WARNING

California Proposition 65. Engine exhaust and some
of its constituents are known to the state of California
to cause cancer, birth defects, and other reproductive
harm.

(000005)

WARNING

California Proposition 65. This product contains or
emits chemicals known to the state of California to
cause cancer, birth defects, and other reproductive
harm.

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Summary of Contents for MLG15

Page 1: ...our Generac product at WWW GENERAC COM 1 888 GENERAC 1 888 436 3722 MODEL NUMBER _________________________ SERIAL NUMBER _________________________ DATE PURCHASED ________________________ Owner s Manual For Diesel Generator MLG8 MLG15 MLG20 MLG20ICAN ...

Page 2: ...and some of its constituents are known to the state of California to cause cancer birth defects and other reproductive harm 000005 WARNING California Proposition 65 This product contains or emits chemicals known to the state of California to cause cancer birth defects and other reproductive harm ...

Page 3: ...itch 10 Automatic Shutdown 10 Voltage Regulator 11 Derating for Altitude 11 Wet Stacking 11 Receptacle Panel 11 Shutting Down the Unit 11 Towing the Unit 11 Lifting the Unit 12 Maintenance Emissions Information 13 Daily Walk Around Inspection 13 General Maintenance 13 Basic Maintenance Schedule 13 Jack Maintenance 16 Side Wind Models 16 Top Wind Models 16 Trailer Wheel Bearings 16 Lower Radiator H...

Page 4: ...iv Owner s Manual for Mobile Generator This page intentionally left blank ...

Page 5: ...The warnings in this manual and on tags and decals affixed to the unit are therefore not all inclusive If using a procedure work method or operating technique that the manufacturer does not specifically recommend verify that it is safe for others Also make sure the procedure work method or operating technique utilized does not render the equipment unsafe Throughout this publication and on tags and...

Page 6: ...8 CAUTION 000291 Equipment damage Do not attempt to start or operate a unit in need of repair or scheduled maintenance Doing so could result in serious injury death or equipment failure or damage WARNING WARNING Risk of injury Do not operate or service this machine if not fully alert Fatigue can impair the ability to service this equipment and could result in death or serious injury 000215 000182 ...

Page 7: ...conductor Apply first aid and get medical help Failure to do so will result in death or serious injury 000104 DANGER Electrocution Water contact with a power source if not avoided will result in death or serious injury 000144 DANGER Electrocution Contact with bare wires terminals and connections while generator is running will result in death or serious injury 000152 DANGER Electrocution Verify el...

Page 8: ...ous injury 000137a WARNING 000162 WARNING Explosion Do not dispose of batteries in a fire Batteries are explosive Electrolyte solution can cause burns and blindness If electrolyte contacts skin or eyes flush with water and seek immediate medical attention 000163a WARNING Risk of burn Do not open or mutilate batteries Batteries contain electrolyte solution which can cause burns and blindness If ele...

Page 9: ...ponent Locations Table 2 1 Generator Components A Fuel Filler Location under door E Receptacle Panel not available on MLG8 units B Radiator Access Panel F Ground Studs 2 C Control Panel Locations under door G Safety Chains D Emergency Stop Switch on MLG8 units switch is located on front panel H Tongue Jack C B A G H E D F ...

Page 10: ...igh quality detergent oil with an appropriate classification and viscosity for the engine type and ambient temperature conditions Consult your Generac Mobile Products Authorized Dealer or the applicable engine service manual for engine oil recommendations Coolant Recommendation Consult your Generac Mobile Products Authorized Dealer or the applicable engine service manual for engine coolant recomme...

Page 11: ... 120VAC 120VAC 120VAC 240VAC 240VAC TURN TURN MAIN MAIN BREAKER BREAKER OFF OFF 120VAC 120VAC BREAKER BREAKER 120VAC 120VAC BREAKER BREAKER 240VAC 240VAC MAIN CIRCUIT MAIN CIRCUIT BREAKER BREAKER 240VAC 240VAC BREAKER BREAKER GLOW PLUG GLOW PLUG INDICATOR INDICATOR OFF OFF RUN RUN START START GLOW GLOW PLUGS PLUGS NEUTRAL BONDED TO FRAME NEUTRAL BONDED TO FRAME I O I O ON ON 20 20 0 0 0 0 0 HOURS ...

Page 12: ...8 Owner s Manual for Mobile Generator General Information This page intentionally left blank ...

Page 13: ...bris Verify all covers are in place and secure Verify the emergency stop switch is pulled out Starting the Unit NOTE If the engine was run out of fuel or the fuel tank was drained it may be necessary to bleed the fuel lines See the engine operator s manual supplied with the unit 1 Verify the main circuit breaker and individual circuit breakers for each of the receptacles are OFF O NOTE When the re...

Page 14: ... closed and locked Figure 3 4 Emergency Stop Switch Activate the emergency stop switch by pushing the button in until it locks down This will trip the main circuit breaker which will open the contact disconnecting the load to the connection lugs This will also open the fuel circuit shutting down the engine The emergency stop fault will be displayed on the control panel The switch will remain close...

Page 15: ...uit breaker is switched to ON I Each receptacle has an individual circuit breaker located inside the cabinet under a flip up cover Each circuit breaker corresponds with the receptacle located below it on the receptacle panel Should the main breaker or any of the individual circuit breakers trip remove some of the load to the receptacles before turning them back on NOTE To ensure proper grounding a...

Page 16: ...t capacity For approximate weights see the applicable product spec sheet 2 Always remain aware of people and objects around the unit while moving 3 Use the forklift pockets with care Approach the unit as perpendicular as possible to avoid damaging the unit Verify any obstructions are clear of the forklift tines before lifting Figure 3 7 Standard Forklift Pockets Figure 3 8 Optional Lift Structure ...

Page 17: ...oroughly before starting Inspect condition of electrical cords Do not use the unit if insulation is cut or worn through Verify the condition of the air filter by viewing the level of the vacuum draw on the filter minder gauge Replace the air filter when the yellow center bar reaches the red section on the gauge 20 in H2O Check wheel lugs see Towing the Unit Check coolant level daily See the engine...

Page 18: ...Inspect Replace Air Filter Replace Engine Oil Check Radiator and Hose Clamps Replace Engine Oil Filter Replace Fuel Filter Clean Water Separator Replace Fan Belt Check Clean Battery Inspect Adjust Valve Clearance Replace Engine Coolant Replace Radiator Hose Clamps Table 4 2 Basic Maintenance Schedule MLG15 Item As Required First 50 Hours Every 250 Hours Every 500 Hours Every 24 Months Drain Water ...

Page 19: ...Basic Maintenance Schedule MLG20 Item As Required Every 250 Hours Every 500 Hours Every 1000 Hours Every 12 Months Drain Water Separator Check Coolant Level Inspect Belt Replace Engine Oil Replace Engine Oil Filter Replace Fuel Filters Adjust Replace Belt Replace Air Cleaner Check Clean Battery Check Adjust Valve Clearance Replace Radiator Hose Clamps Replace Engine Coolant ...

Page 20: ...ghtweight oil Top Wind Models Apply a lightweight oil to the screw stem Figure 4 1 Lubrication Points Trailer Wheel Bearings The trailer axles are equipped with a grease fitting to allow lubrication of the wheel bearings without the need to disassemble the axle hub To lubricate the axle bearings remove the small rubber plug on the grease cap attach a standard grease gun fitting to the grease fitti...

Page 21: ...g is usually sufficient for proper engine starting The unit must be level to maintain proper orientation of the heater while it is in operation Use only an undamaged outdoor rated three prong grounded 120VAC extension cord with a minimum amperage rating of 10A Connect the cord to a properly grounded 120VAC GFCI receptacle Before starting the engine unplug the extension cord from the power then unp...

Page 22: ...18 Owner s Manual for Mobile Generator Maintenance This page intentionally left blank ...

Page 23: ... RECEPTACLE TWIST LOCK 30 AMP RECEPTACLE TWIST LOCK 50 AMP RECEPTACLE TWIST LOCK 50 AMP WHT WHT WHT WHT GRN GRN GRN GRN GRN GRN WHT RED RED WHT BLK BLK BREAKER CIRCUIT 30 AMP 30 AMP CIRCUIT BREAKER 50 AMP CIRCUIT BREAKER 50 AMP CIRCUIT BREAKER BLK RED BLK RED BLK RED BLK RED BLK RED BLK RED BLK RED BLK RED BREAKER CIRCUIT 100 AMP MAIN GROUND BONDED TO WHT WHT GRN YEL RED BLK RED BLK RED BLK N1 L1 ...

Page 24: ...EPTACLE 240 VOLT 30 AMP TWIST LOCK RECEPTACLE 90318_ORG_07 06 11 240 VOLT 30 AMP TWIST LOCK RECEPTACLE 20 AMP CIRCUIT BREAKER 20 AMP CIRCUIT BREAKER 20 AMP G F I OUTLET 20 AMP G F I OUTLET 30 AMP CIRCUIT BREAKER 30 AMP CIRCUIT BREAKER 30 AMP CIRCUIT BREAKER 50 AMP CIRCUIT BREAKER TO GROUND TO NEUTRAL TO MAIN BREAKER BLK BLK RED WHT WHT GRN GRN GRN WHT RED BLK RED RED RED RED RED RED RED RED BLK BL...

Page 25: ...7 25 16 20 AMP CIRUIT BREAKER CB GRN 20 AMP G F I OUTLET 240 VOLT 30 AMP TWIST LOCK RECEPTACLE 240 VOLT 30 AMP CIRCUIT BREAKER 20 AMP CIRUIT BREAKER GRN CB 20 AMP G F I OUTLET GRN YEL WHT WHT WHT RED RED RED BLK BLK RED TERMINAL BLOCK 1 10 9 8 7 6 5 4 3 2 1 GRN GEN L1 L2 MAIN CIRCUIT BREAKER 40 AMP 2 POLE ...

Page 26: ...2_A_07 25 16 20 AMP CIRUIT BREAKER CB GRN 20 AMP G F I OUTLET 240 VOLT 30 AMP TWIST LOCK RECEPTACLE 240 VOLT 30 AMP CIRCUIT BREAKER 20 AMP CIRUIT BREAKER GRN CB 20 AMP G F I OUTLET GRN YEL WHT WHT WHT RED RED RED BLK BLK RED TERMINAL BLOCK 1 10 9 8 7 6 5 4 3 2 1 GRN GEN L1 L2 MAIN CIRCUIT BREAKER 40 AMP 2 POLE ...

Page 27: ...ENOID RED HOLD WHT PULL BLK COM ORN BRN BLK CONTROL RESISTANCE BLU BLU DOME LIGHT R1 R2 B BR ACC C STARTER SWITCH GRN BLU RED GRN RED BLK B B S STARTER RED BATTERY 12V EMERGENCY STOP SWITCH 1 4 3 2 N C N C VIO WHT VIO RED TIME DELAY RELAY 1 2 3 5 6 OVERHEAT WARNING SWITCH NORMAL OPEN TYPE PUR PNK OIL PRESSURE WARNING SWITCH NORMAL CLOSED TYPE FUSE SWITCH RED 10 AMP CIRCUIT BREAKER BLK HOUR FUEL PU...

Page 28: ... AMBER TRAILER PLUG RIGHT TAIL TURN LAMP LAMP PLATE LICENSE MARKER LAMP RED BK BK BK BK RD WT BK SPLICE SPLICE SPADE SPADE LAMP TAIL TURN LEFT RD WT BK SPADE YL BN WT SPADE SPADE WT BK BN WT SPLICE GN RING MARKER LAMP AMBER MARKER LAMP RED BK BK BK BK SPLICE SPLICE SPADE SPADE BN WT WT WT BN BN 90341_B_12 20 13 ...

Page 29: ..._______________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ _______________________________________________________________________________...

Page 30: ...26 Owner s Manual for Mobile Generator Wiring Diagrams and Service Log This page intentionally left blank ...

Page 31: ......

Page 32: ...hts reserved Specifications are subject to change without notice No reproduction allowed in any form without prior written consent from Generac Mobile Products LLC Generac Mobile Products 215 Power Drive Berlin WI 54923 GeneracMobileProducts com 800 926 9768 920 361 4442 ...

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