Generac Power Systems MAC1.2G Owner's Manual
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Generac Power Systems MAC1.2G Owner's Manual

Generac Power Systems MAC1.2G Owner's Manual

Indirect fired heater
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MAC1.2G
Indirect Fired Heater
Owner's Manual
MODEL NUMBER: _________________________
SERIAL NUMBER: _________________________
DATE PURCHASED:________________________
SAVE THIS MANUAL FOR FUTURE REFERENCE

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Summary of Contents for Generac Power Systems MAC1.2G

  • Page 1 MAC1.2G Indirect Fired Heater Owner’s Manual MODEL NUMBER: _________________________ SERIAL NUMBER: _________________________ DATE PURCHASED:________________________ SAVE THIS MANUAL FOR FUTURE REFERENCE...
  • Page 2 WARNING CANCER AND REPRODUCTIVE HARM www.P65Warnings.ca.gov. (000393a) WARNING Breathing diesel engine exhaust exposes you 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.

  • Page 3: Table Of Contents

    Table of Contents Section 1: Introduction and Safety Thermostat ..............15 Changing Temperature Units ........15 Introduction ..............1 Thermostat Control ............15 Read This Manual Thoroughly ........1 Intended Applications ..........1 Section 4: Maintenance Safety Rules ..............1 How to Obtain Service ..........2 Maintenance ...............17 General Hazards ............2 Maintenance Tasks ............17 Daily Walk Around Inspection ........17...
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  • Page 5: Section 1: Introduction And Safety

    • Employee locker areas and housing ity use when maintained properly. • Emergency thawing The MAC1.2G indirect fired heater is designed and built • Pre-warming of equipment and motors for sustained, reliable heat production in industrial oper- • Offshore drilling rigs ating conditions and environments.

  • Page 6: How To Obtain Service

    Introduction and Safety CAUTION WARNING CAUTION Equipment damage. Do not attempt to start or operate Indicates a hazardous situation which, if not avoided, a unit in need of repair or scheduled maintenance. could result in minor or moderate injury. Doing so could result in serious injury, death, or equipment failure or damage.

  • Page 7: Trailer Hazards

    Introduction and Safety DANGER WARNING Explosion and Fire. Fuel and vapors are extremely Rollover hazard. Unit must be placed on flat, level flammable and explosive. Store fuel in a well ground to prevent tipping or rollover. Failure to do so ventilated area.

  • Page 8: Service Safety

    Introduction and Safety Safe Towing Techniques Service Safety • Practice turning, stopping, and backing up in an area away from heavy traffic prior to transporting CAUTION the unit. Personal injury. Wear appropriate personal protective • Maximum recommended speed for highway towing equipment at all times while operating and servicing is 45 mph (72 km/h).

  • Page 9: Safety And Operating Decals

    Introduction and Safety Safety and Operating Decals Figure 1-1. This unit features numerous safety and tions. Replace any missing or hard-to-read decals and operating decals. These decals provide important operat- use care when washing and cleaning the unit. Decal part ing instructions and warn of dangers and hazards.
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  • Page 11: Section 2: General Information

    General Information Section 2: General Information Specifications Heater 1,200,000 BTU/hour (351.69 kW/hour) maximum Type Indirect fired Power ISUZU 3CE1 Tier 4 Final diesel, 23.4 HP (17.4 kW) Operating Speed 1,800 rpm Engine Controls/Display LOFA, keyed ignition switch Air Volume 6,500 CFM (11,044 m /hour) Battery Standard: 575 CCA (115 CCA Reserve)

  • Page 12: Engine Component Locations

    General Information Engine Component Locations 008977 Figure 2-1. Engine Components Battery (not shown) Engine oil drain value Coolant sub-tank (not shown) Engine oil drain hose Radiator fill cap Engine oil dipstick Engine air cleaner assembly Engine fuel filter Engine fan Water separator assembly Engine oil fill M Engine fuel pump...

  • Page 13: External Components

    General Information External Components 008975 Figure 2-2. External Components Burner exhaust Oil drain hose (not shown) Reflector Trailer support jack Rear support jack Trailer hitch D-ring Engine exhaust Reflector tape M Fuel fill Fork lift pockets Air inlet panel Power receptacle Air outlet Engine access panel Owner’s Manual for Indirect Fired Heater...

  • Page 14: Heater Components

    General Information Heater Components 008976 Figure 2-3. Heater Components Outlet temp thermostat Inspection window Burner temp thermostat Diesel fired burner Electrical control box Owner’s Manual for Indirect Fired Heater...

  • Page 15: Emissions

    General Information Emissions Fuel System The United States Environmental Protection Agency (US DANGER EPA) (and California Air Resources Board (CARB), for engines/equipment certified to California standards) Explosion and Fire. Fuel and vapors are requires that this engine/equipment complies with extremely flammable and explosive. Keep fire exhaust and evaporative emissions standards.

  • Page 16: Wheel Chock Guidelines

    General Information • Select wheel chock according to equipment type WARNING and size. • Always use in pairs and on firm surfaces. Personal injury. Do not operate unit during transport. • Chock in direction of grade. Doing so could result in death, serious injury, or property damage.

  • Page 17: Section 3: Operation

    Operation Section 3: Operation Before Starting Engine 3. After 10 seconds, remove the oil dipstick and look at the oil level on both sides. The lower of the two readings will be the correct oil level measurement. Pre-start Checklist 4. Add oil (if necessary) to adjust the level. After add- ing or changing the oil, run the engine for one min- WARNING ute before checking the oil level.

  • Page 18: Engine And Heater Startup

    Operation • Avoid sharp bends or 90° turns in the ducting. 1. Turn ignition key to RUN and wait for the light to expire. • Use only the necessary length of ducting required; do not exceed maximum length. 2. Turn ignition key to START. •...

  • Page 19: Engine And Heater Shutdown

    Operation Engine and Heater Shutdown Thermostat Control 1. Press and hold the MENU button until the display CAUTION changes to flashing SP. 2. Press the up or down buttons to reach desired Equipment damage. Shut down the heater before function. turning off the generator.
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  • Page 21: Section 4: Maintenance

    Maintenance Section 4: Maintenance Maintenance Draining and Refilling the Oil Regular maintenance will improve performance and WARNING extend engine/equipment life. Generac Mobile Products, LLC recommends that all maintenance work be per- Risk of burns. Allow engine to cool before formed by a Generac Mobile Products Authorized Ser- draining oil or coolant.

  • Page 22: Maintenance Schedule

    Maintenance WARNING Risk of burns. Contents under pressure. Do not remove the radiator pressure cap while engine is hot. Doing so could result in death or serious injury. (000322a) WARNING Risk of burns. Do not open coolant system until engine has completely cooled. Doing so could result in serious injury.

  • Page 23: Engine Maintenance Schedule

    Maintenance Engine Maintenance Schedule • Check engine oil level. • Check fuel level. • Check engine coolant level. • Drain water from fuel filters. Daily • Inspect air cleaner, dust unloader valve, and indicator. • Perform visual walk around inspection. •...

  • Page 24: Battery Inspection

    Maintenance Battery Inspection NOTE: Remove the 5 amp controller fuse from control panel. An authorized operator should inspect the engine battery DANGER monthly. At this time, the battery fluid level should be Electrocution. Do not wear jewelry while checked using a load tester and distilled water added if working on this equipment.

  • Page 25: Other Maintenance Checks

    Maintenance Return to Service 1. Connect battery cable from starter contactor to positive (POS or +) battery post. Follow the guidelines below for engines and machines 2. Connect black battery cable to negative (NEG or -) that have not been operated for three to six months: battery post.
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  • Page 27: Section 5: Troubleshooting

    Troubleshooting Section 5: Troubleshooting General Troubleshooting Guide Problem Cause Solution Low battery output voltage or discharged Charge or replace batteries. See Bat- battery. tery Inspection. Loose or corroded connections. Clean and tighten connections. Faulty start circuit relay. Contact a GMP ASD. Engine will not crank Blown fuse.
  • Page 28 Troubleshooting Problem Cause Solution Poor fuel quality; incorrect fuel/dirty fuel. Test fuel, drain water from fuel bowl. Restricted fuel filter. Replace fuel filter element. Water, dirt, or air in fuel system. Drain, flush, fill, and purge fuel system. Engine misfiring or runs Low coolant temperature.
  • Page 29 Troubleshooting Problem Cause Solution Restricted fuel return line. Check and fix fuel return lines. Fuel in oil Engine load too light. Increase engine load. Leaking fuel injectors. Contact a GMP ASD. Restricted fuel filter. Replace fuel filter. Restricted fuel line. Locate restriction, repair as required.
  • Page 30 Troubleshooting Problem Cause Solution Replace air cleaner element as Restricted or dirty air cleaner. required. Drain fuel and replace with proper Incorrect type of fuel. grade, type, and quality of fuel for oper- ating condition. Engine emits black, gray, or Engine burning oil.
  • Page 31 Troubleshooting Problem Cause Solution Drain crankcase and refill with correct Insufficient crankcase oil viscosity. viscosity oil. See Draining and Refill- ing the Oil. Drain oil until oil level is correct. See Excessive crankcase oil. Draining and Refilling the Oil. Determine source of oil leak(s) and External oil leak(s).
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  • Page 33: Section 6: Service Log

    Service Log Section 6: Service Log OIL GRADE: _____________________________________ BRAND: __________________________________ COOLANT MIXTURE: _____________________________ BRAND: __________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Hours to Coolant Hours to Coolant Date Oil Level Date Oil Level Service Level Service Level Owner’s Manual for Indirect Fired Heater...
  • Page 34 Service Log This page intentionally left blank. Owner’s Manual for Indirect Fired Heater...
  • Page 36 Part No. 10000041484 Rev. A 08/27/18 ©2018 Generac Mobile Products, LLC All rights reserved. Specifications are subject to change without notice. Generac Mobile Products, LLC No reproduction allowed in any form without prior written 215 Power Drive, Berlin, WI 54923 consent from Generac Mobile Products, LLC.

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