Generac Power Systems MAC1.2G, Owner'S Manual

Page 1: ...AVE THIS MANUAL FOR FUTURE REFERENCE MAC1 2G Indirect Fired Heater Owner s Manual MODEL NUMBER _________________________ SERIAL NUMBER _________________________ DATE PURCHASED ________________________...

Page 2: ...u to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm Always start and operate the engine in a well ventilated area If in an enclosed area vent t...

Page 3: ...endation 11 Fuel System 11 Trailer Towing Guidelines 11 Wheel Chock Guidelines 12 Control Panel 12 Section 3 Operation Before Starting Engine 13 Pre start Checklist 13 Engine Oil Level Check 13 Engine...

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Page 5: ...owed during placement operation and maintenance of the unit and its components Always sup ply this manual to any individual that will use this unit Intended Applications The machine is designed for in...

Page 6: ...Do not operate unit during transport Doing so could result in death serious injury or property damage 000231a WARNING 000111 WARNING Moving Parts Keep clothing hair and appendages away from moving par...

Page 7: ...r move causing death or serious injury WARNING Property or Equipment Damage Tighten wheel lug nuts after first 50 miles to factory specifications Failure to do so could result in death serious injury...

Page 8: ...ed Running Lights Verify directional and brake lights on trailer are connected and working properly Safe Towing Techniques Practice turning stopping and backing up in an area away from heavy traffic p...

Page 9: ...nd cleaning the unit Decal part numbers can be found in the unit parts manual at www generacmobileproducts com Figure 1 1 Safety and Operating Decal Locations Item No Label Description Item No Label D...

Page 10: ...6 Owner s Manual for Indirect Fired Heater Introduction and Safety This page intentionally left blank...

Page 11: ...Pressure 3 in H2O Air Outlet 1 x 20 in 50 8 cm Electrical 12V Engine Fuel Diesel Engine Fuel Capacity USA 270 gal 1022 L Engine Oil Capacity 7 1 qt 6 7 L Engine Coolant Capacity 2 1 qt 2 L Engine Fue...

Page 12: ...y not shown H Engine oil drain value B Coolant sub tank not shown I Engine oil drain hose C Radiator fill cap J Engine oil dipstick D Engine air cleaner assembly K Engine fuel filter E Engine fan L Wa...

Page 13: ...onents A Burner exhaust I Oil drain hose not shown B Reflector J Trailer support jack C Rear support jack K Trailer hitch D D ring L Engine exhaust E Reflector tape M Fuel fill F Fork lift pockets N A...

Page 14: ...Indirect Fired Heater General Information Heater Components Figure 2 3 Heater Components A Outlet temp thermostat D Inspection window B Burner temp thermostat E Diesel fired burner C Electrical contro...

Page 15: ...hichever comes first For more information see the engine manual Fuel System The heater is designed to operate with diesel fuel IMPORTANT NOTE Comply with all laws regulating the storage handling and t...

Page 16: ...the brakes while descending grades this can cause overheating and potential brake fail ure Do not apply the tow vehicle brakes to correct ex treme trailer swaying Continued pulling of the trailer and...

Page 17: ...ine for one min ute before checking the oil level Wait 10 minutes to allow the engine to cool and oil to fully drain into the oil pan Typical causes of inaccurate oil level readings Reading the high l...

Page 18: ...n burner to ON 7 See Ducting Guidelines Place heating ducts as appropriate for the application IMPORTANT NOTE A twisted or bent air duct will cause loss of air pressure and temperature NOTE Do not use...

Page 19: ...the up or down buttons until desired value is reached 5 Press the MENU button to save The display will return to the sensor temperature NOTE If the MENU button is not pressed after changing the setpo...

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Page 21: ...or cracking fraying and stretching Verify the belt is properly seated in the pulley grooves See Maintenance Schedule Check fluid levels Inspect electrical connectors battery and ground points Look for...

Page 22: ...ons such as very high or very low ambient conditions or extremely dirty or dusty environments Use the unit hour meter or calendar time whichever occurs first from the previous maintenance interval to...

Page 23: ...ystem Check and adjust engine speeds Inspect engine mounts Inspect engine ground connection Every 1000 Hours Inspect generator ball bearings Every 2000 Hours Check the DC no load excitation voltage Se...

Page 24: ...Replacement When required the battery must be replaced with one of equivalent size voltage and CCA cold crank amp capacity Contact a GMP ASD for correct battery size A new battery must be filled with...

Page 25: ...cal connections for any bare wires or other damage Rectify any issues before using the trailer Short Term Storage When the machine will not be in use for three or more months follow the guidelines bel...

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Page 27: ...e or corroded connections Clean and tighten connections Hard to start or will not start Engine starting under load Disengage PTO Incorrect starting procedure Review starting procedure See Pre start Ch...

Page 28: ...Adjust valve clearance or contact a GMP ASD Dirty or faulty fuel injectors Contact a GMP ASD Air leak in engine intake or exhaust mani fold Check intake and exhaust manifold gaskets and manifolds rep...

Page 29: ...n camshaft lobes Worn rocker arm shaft s Worn valve guides Damaged valve retainers Loose or worn rocker arms Bent pushrods Broken valve springs Bent connecting rods Worn flywheel Loose flywheel Excess...

Page 30: ...ing Flush coolant system Engine overloaded Reduce engine load Loose or faulty fan belt Check automatic belt tensioner and belts Replace as required Faulty or wrong type of thermostat s Test thermostat...

Page 31: ...Batteries will not charge Loose or corroded connections Clean and tighten connections Sulfated or worn out batteries Replace batteries See Battery Instal lation and Replacement Stretched belt or fault...

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Page 36: ...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 LLC 215 Powe...