Generac Power Systems MAC 750F Owner'S Manual Download Page 1

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MAC 750F

Flameless Air Heater

Owner’s Manual

MODEL NUMBER: _________________________

SERIAL NUMBER: _________________________

DATE PURCHASED:________________________

WWW.GENERACMOBILE.COM

800-926-9768

Summary of Contents for MAC 750F

Page 1: ...MAC 750F Flameless Air Heater Owner s Manual MODEL NUMBER _________________________ SERIAL NUMBER _________________________ DATE PURCHASED ________________________ Register your Generac Mobile Product...

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Page 3: ...list 9 Engine Oil Check 9 Hydraulic Oil Check 9 Engine Coolant Check 9 Battery Check 9 Engine and Heater Startup 10 Adjusting Heater Output 11 AUTO Mode 11 MANUAL Mode 11 Heater and Engine Shutdown 11...

Page 4: ...iv Owner s Manual for Flameless Air Heater This page intentionally left blank...

Page 5: ...IGHT TO MODIFY THIS MANUAL AT ANY TIME Safety Rules The manufacturer cannot anticipate every possible circumstance that might involve a hazard The warnings in this manual and on tags and decals affixe...

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Page 8: ...4 Owner s Manual for Flameless Air Heater Introduction and Safety This page intentionally left blank...

Page 9: ...or H Controller B Breakaway battery for trailer brakes I Manual compartment C Diesel engine J Diesel engine turbo charger D Hydraulic fluid filters K Diesel engine oil dipstick E Hydraulic fluid fill...

Page 10: ...E Comply with all laws regulating the storage and handling of fuels Follow these guidelines Use only ultra low sulfur diesel fuel When temperatures are at or below freezing use No 1D diesel fuel When...

Page 11: ...l Chock Guidelines Select wheel chock according to equipment type and size Always use in pairs and on firm surfaces Chock in direction of grade Chock both sides of wheel if direction of grade is unkno...

Page 12: ...s occur outside of predetermined manufacturing parameters the controller will automatically stop the machine and display fault information The controller can also display a variety of critical alerts...

Page 13: ...Coolant Check 1 Remove radiator fill cap 2 Check coolant level and degrees of fouling Coolant level should be approximately 10 mm below the radiator core top 3 Install radiator cap securely Battery C...

Page 14: ...ure 3 3 Engine Warming 5 When the coolant temperature reaches 140 F 60 C engine warming is complete and the heater automatically begins warming up The screen displays Heater is warming up Please wait...

Page 15: ...or minimum fan press MIN FAN Figure 3 7 item A For maximum fan press MAX FAN Figure 3 7 item B Figure 3 7 MANUAL mode Heater and Engine Shutdown 1 Press OFF to stop the heater Figure 3 7 item C The sc...

Page 16: ...12 Owner s Manual for Flameless Air Heater Operation This page intentionally left blank...

Page 17: ...ted Verify there are no cracks or corrosion Check Engine Oil Level NOTE If engine was running wait at least ten minutes before proceeding 1 Remove dipstick and wipe it dry with a clean lint free cloth...

Page 18: ...ty environments Use the heater hour meter or calendar time whichever occurs first from the previous maintenance interval to determine the next required maintenance interval Note that some checks are b...

Page 19: ...condition Every 250 Hours Replace fuel filter element Every 500 Hours Replace engine oil and oil filter element Replace fuel filter element Replace engine air filter Check alternator drive belt tensio...

Page 20: ...l parts on top of battery Disconnect charging source prior to connecting or disconnecting battery terminals NOTE Spilled electrolyte is to be washed down with an acid neutralizing agent A common pract...

Page 21: ...re connected to the unit at the factory Connect cables to battery posts as follows 1 Connect battery cable from starter contactor to positive POS or battery post 2 Connect black battery cable to negat...

Page 22: ...18 Owner s Manual for Flameless Air Heater Maintenance This page intentionally left blank...

Page 23: ...ice failure Engine Will Not Crank Electric Start Dead battery Replace battery Battery terminal is disconnected loose or corroded Replace corroded part and tighten securely Starter ground terminal is d...

Page 24: ...lant Contact Generac Technical Service Thermostat failure Change thermostat Oil Pressure Does Not Rise Engine oil viscosity is incorrect Change with oil of correct viscosity Engine oil level is not su...

Page 25: ...heat Wait approximately ten seconds after heater power up Engine is not ready Check RPMs Fuel Level or Wait to Start Engine RPMs 500 Fuel level 10 Wait to Start signal Low Fuel Warning Fuel level 20 F...

Page 26: ...Low hydraulic pressure Low hydraulic level Fuel Over temp Fuel temperature 140 F 1 Open heat circuit solenoid 2 Increase scroll fan RPM to max RPM via fan circuit sole noid and drop engine to idle 3...

Page 27: ...Owner s Manual for Flameless Air Heater 23 Installation Diagrams and Service Log Section 6 Installation Diagrams and Service Log Engine Harness 1 of 3...

Page 28: ...24 Owner s Manual for Flameless Air Heater Installation Diagrams and Service Log Engine Harness 2 of 3...

Page 29: ...Owner s Manual for Flameless Air Heater 25 Installation Diagrams and Service Log Engine Harness 3 of 3...

Page 30: ...26 Owner s Manual for Flameless Air Heater Installation Diagrams and Service Log Trailer Wiring Harness...

Page 31: ...___________________________________________________ __________________________________________________________________________________________ _________________________________________________________...

Page 32: ...ducts All rights reserved Specifications are subject to change without notice No reproduction allowed in any form without prior written consent from Generac Mobile Products Generac Mobile Products 215...

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