Generac Power Systems MAC MIH400HC Page 36 Owner'S Manual Download

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Owner’s Manual for Indirect Fired Heater

Installation Diagrams and Service Log

Service Log

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COOLANT MIXTURE: _____________________________ BRAND: __________________________________

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Summary of Contents for MAC MIH400HC

Page 1: ...THIS MANUAL FOR FUTURE REFERENCE MIH400HC Indirect Fired Heat Cart Owner s Manual MODEL NUMBER _________________________ SERIAL NUMBER _________________________ DATE PURCHASED ________________________ 003999 ...

Page 2: ...aust 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: ...peration 13 Before Starting Engine 13 Pre start Checklist 13 Engine Oil Level Check 13 Engine Coolant Check 13 Ducting Guidelines 14 Engine and Heater Startup 14 General Overview 14 Operational Procedure 14 Engine and Heater Shutdown 15 Emergency Stop 15 Thermostat 15 Changing Temperature Units 15 View Adjust Temperature Set Point 16 Thermostat Control 16 Section 4 Maintenance Maintenance 17 Maint...

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Page 5: ... affixed to the unit are not all inclusive If using a procedure work method or operating technique that the manufacturer does not spe cifically recommend verify that it is safe for others and does not render the equipment unsafe Throughout this publication and on tags and decals affixed to the unit DANGER WARNING CAUTION and NOTE blocks are used to alert personnel to special instructions about a p...

Page 6: ... unit in need of repair or scheduled maintenance Doing so could result in serious injury death or equipment failure or damage WARNING CAUTION 000229 Equipment or property damage Do not block air intake or restrict proper air flow Doing so could result in unsafe operation or damage to unit CAUTION 000240a Unit damage Do not stop engine before heating unit is cooled Doing so could result in unit dam...

Page 7: ...ons Failure to do so could result in death serious injury or property or equipment damage 000364 WARNING Control loss Trailer must be securely coupled to the hitch An incorrectly coupled trailer could result in loss of control death or serious injury 000360 WARNING Do not operate this unit while transporting Doing so could result in death or serious injury 000231 000137a WARNING Explosion Batterie...

Page 8: ...even routine service oil filter changes cleaning etc unless all electrical com ponents are shut down Replace all missing and hard to read decals Decals provide important operating instructions and warn of dangers and hazards Wear all task appropriate PPE when completing maintenance or service tasks ...

Page 9: ...lectrical 12V Engine Fuel Diesel Engine Fuel Capacity 52 gal 197 L Engine Oil Capacity 7 qt 6 7 L Engine Coolant Capacity 2 1 qt 2 0 L Engine Fuel Rate at 100 prime 1 25 gph 4 76 Lph Burner Fuel Rate at 100 prime 3 39 gph 12 8 Lph Total Maximum Run Time 18 hrs Temperature Rise 180 F 82 C Fan Class 22 RBA 909 Hitch Type Pintle ring Tire Size 4 in x 8 in 10 2 cm x 20 3 cm Lug Nut Torque 100 ft lbs 1...

Page 10: ...t I Parking brake B Operating temp beacon J Burner blower access door C Low fuel warning beacon K Fork lift pockets D Emergency stop L Exhaust E Fuel fill M Engine access door F Fire extinguisher N Engine block frost plug G Tie down ring s O Control panel access H Tow bar P Ducting shelf 004439 E H K I G F D C B A N M G L J O P ...

Page 11: ... 2 Engine Components A Engine oil fill not shown G Engine oil dipstick B Air cleaner assembly H Fuel water separator assembly C Coolant sub tank not shown I Engine fuel pump D Engine radiator cap J Electrical junction box E Engine fuel filter K Generator F Engine oil filter K J C I E G F D B A H ...

Page 12: ...ct Fired Heater General Information Burner Component Locations Table 3 Burner Components A Blower fan and motor D Burner reset B Fuel return valve E Fuel supply valve C Burner fuel filter F Diesel fired burner 004084 F D A E C B ...

Page 13: ...H Low temperature indicator lamp red B Outlet temperature indicator I Burner stop button red C Thermostat access J Temperature selection switch D Battery disconnect K Main circuit breaker switch E Engine ignition key L Panel lock F Engine controller M Control box ID tag G Burner start button green A B C D E G I H J K L M F ...

Page 14: ...nformation see the engine manual Cart Towing Guidelines IMPORTANT NOTE Do not exceed 15 mph 24 km h The front axle is steered by a tow bar with a pintle ring hitch It is equipped with a mechanical parking brake activated by raising the tow bar to the locked position NOTE See the tow vehicle manual for coupling instruc tions Driving a vehicle with a cart in tow is vastly different than driving the ...

Page 15: ...Figure 2 1 Parking Brake Engaged Frost Plug Heater The unit is equipped with a frost plug heater see Table 1 External Components letter N to improve effi ciency in extreme temperatures The frost plug heater warms the battery blanket and oil pan before starting to improve starting and operation Burner The burner runs on diesel fuel drawn from the fuel tank Unused fuel is returned to the fuel tank T...

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Page 17: ...wear Engine Oil Level Check NOTE If engine was running wait at least 10 minutes before proceeding 1 Remove oil dipstick and wipe it dry with a clean lint free cloth 2 Slowly insert the clean oil dipstick into the oil dip stick tube Verify the oil dipstick is fully seated 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 cor...

Page 18: ...gine cranks and starts NOTE Do not hold the engine starter key in the start position for more than 15 seconds Doing so will overheat the starter motor Wait 30 seconds for the starter motor to cool before making a second attempt to start if the engine fails to start 5 Attach air ducting to aircraft avoiding sharp bends and twists in ducts IMPORTANT NOTE A twisted or bent air duct will cause loss of...

Page 19: ...he thermostats are located behind an access panel above the fuel gauge Use the three thermostats to set the high medium and low settings Record the set tem peratures for future reference Figure 3 2 Thermostat Features Changing Temperature Units The thermostat is factory set to display temperature in Fahrenheit F Press the up and down buttons simulta neously to convert to Celsius C WARNING In case ...

Page 20: ...desired function 3 Press the MENU button to display current value of function 4 Press 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 setpoint value the new value will not be saved See Table 3 1 for all thermostat functions Table 3 1 Function Ranges and ...

Page 21: ... nicks Inspect for electrical wire abrasion Inspect the fan belt for cracking fraying and stretching Verify the belt is properly seated in the pulley grooves Check fluid levels Check electrical connectors battery and ground points Look for loose or missing hardware Inspect all flexible rubber hoses for deterioration Verify hoses are not crushed bent or twisted Verify there are no cracks or corrosi...

Page 22: ...high or very low ambient con ditions or extremely dirty dusty 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 based on hours of operation Follow all applicable safety alerts found in this manual or engine service manual before performing any mainte nan...

Page 23: ...eparator Replace fuel filter Replace air cleaner Replace burner fuel filter Every 750 Hours Remove fan belt and check for wear Inspect pulleys and bearings Rotate and feel for hard turning or unusual sounds Every 1000 Hours1 Test coolant replace if necessary See engine manual Adjust intake exhaust valve clearance 1 Inspect generator bearings See generator manual Every 1500 Hours Inspect test and c...

Page 24: ...arge static electricity by first touching a grounded metal surface before touching the battery Battery Installation and Replacement The battery must be replaced with one of equivalent size voltage and CCA cold crank amp capacity when required Minimum CCA for this unit is 660 Contact a GMP ASD for correct battery size A new battery must be filled with the proper electrolyte and be fully charged bef...

Page 25: ...nance action before storing Fill the fuel tank to FULL Fill coolant to FULL Do not drain Remove all dirt and debris from inside and outside the enclosure Lock the machine to prevent any unauthorized operation Store in a safe location do not position near or on top of any combustible materials observe any local state or national codes or regulations Store in a low moisture low dust area Disconnect ...

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Page 27: ...battery Charge or replace battery See Bat tery Installation and Replacement Excessive crankcase oil viscosity Drain crankcase oil and replace with correct viscosity oil See Draining and Refilling the Oil Loose or corroded connections Clean and tighten connections Replace as necessary Faulty starter switch or starter motor Contact a GMP ASD Engine misfiring or runs irreg ularly Poor fuel quality in...

Page 28: ...ct viscosity oil See Draining and Refilling the Oil Electronic control system problem or basic engine problem Contact a GMP ASD Compressed air leakage from intake exhaust valves Fuel return valve or fuel supply valve OFF Set valve to ON Lack of engine power Restricted air intake Service air cleaner Restricted exhaust Check and correct exhaust restriction Poor fuel quality Drain fuel and replace wi...

Page 29: ...el return line Check and fix fuel return lines Insufficient engine load Increase engine load Leaking fuel injectors Contact a GMP ASD Low pressure fuel system fuel pressure low Restricted fuel filter Replace fuel filter Restricted fuel line Locate restriction repair as required Faulty transfer pump Contact a GMP ASD Faulty high pressure fuel pump Remove fuel pump repair replace pump as required Ab...

Page 30: ...entering combustion chamber failed cylinder head gasket or cracked cylinder head Repair or replace as required or con tact a GMP ASD Electronic control system or basic engine problem Contact a GMP ASD Poor fuel quality or incorrect type of fuel Drain fuel and replace with proper grade and quality of fuel for operating condition Low engine temperature Warm up engine to normal operating temperature ...

Page 31: ...ermostats Test thermostat opening temperature replace thermostats as required Faulty radiator cap Replace radiator cap as required Faulty temperature gauge or sender Check coolant temperature with ther mometer and replace if necessary Incorrect grade of fuel Drain fuel and replace with proper grade and quality of fuel for operating condition Damaged or leaking cylinder head gasket Contact a GMP AS...

Page 32: ...aps not staggered Insufficient piston ring tension Piston rings sticking in ring grooves Piston ring grooves excessively worn Batteries will not charge Loose or corroded connections Clean and tighten connections Sulfated or worn out batteries Replace batteries See Battery Installation and Replacement Stretched belt or defective belt tensioner Adjust belt tension or replace belts Entire electrical ...

Page 33: ...Owner s Manual for Indirect Fired Heater 29 Installation Diagrams and Service Log Section 6 Installation Diagrams and Service Log Control Box Wiring Diagram 1 of 3 ...

Page 34: ...30 Owner s Manual for Indirect Fired Heater Installation Diagrams and Service Log Control Box Wiring Diagram 2 of 3 ...

Page 35: ...Owner s Manual for Indirect Fired Heater 31 Installation Diagrams and Service Log Control Box Wiring Diagram 3 of 3 ...

Page 36: ..._____________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ _________________________________________________________________________...

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Page 40: ...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 Power Drive Berlin WI 54923 GeneracMobileProducts com 800 926 9768 920 361 4442 ...

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