background image

Owner’s Manual for Flameless Air Heater

19

Troubleshooting

Section 5 Troubleshooting

General Troubleshooting Guide

Problem

Cause

Solution

Engine Cranks But Will Not 
Start

No fuel.

Verify there is no fuel leakage and 
replenish.

Low oil level.

Replenish oil to full.

Emergency shutdown switch is ON.

Turn emergency shutdown switch 
OFF.

Air in fuel system.

Bleed air.

Fuel filter is clogged.

Remove water and change ele-
ment.

Fuel is frozen.

Warm fuel pipes with hot water or 
wait until ambient temperature 
rises.

Injection pump fails.

Contact Generac Technical 
Service

Electromagnetic type fuel pump failure.
Engine control system failure.
Restricted air flow.

Check/replace air filter.

LCD Display panel shows engine failure.

Contact Generac Technical 
Service

Strainer is clogged.
Pre-heating device 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 disconnected, 
loose or corroded.
Engine oil viscosity is too high.

Change with oil of correct viscosity.

Starter or electrical system failure.

Contact Generac Technical 
Service.

Engine Starts But Stops 
Shortly Thereafter

Idling is too low.

Adjust by idling control equipment 
on the machine. If adjustment is 
not possible, contact ISUZU 
dealer.

Fuel filter is clogged.

Remove water and change ele-
ment.

Pre-fuel filter is clogged.

Clean or change element.

Air cleaner is clogged.
Engine control system failure.

Contact Generac Technical 
Service.

Injection pump failure.
Strainer is clogged.
Electromagnetic type fuel pump failure.

Engine Running is Unstable

Fuel system failure.
Water or air is in fuel system.

Bleed air or remove water.

Engine control system failure.

Contact Generac Technical 
Service.

Содержание MAC 750F

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

Страница 2: ...W DQG VRPH RI LWV FRQVWLWXHQWV DUH NQRZQ WR WKH VWDWH RI DOLIRUQLD WR FDXVH FDQFHU ELUWK GHIHFWV DQG RWKHU UHSURGXFWLYH KDUP 51 1 DOLIRUQLD 3URSRVLWLRQ 7KLV SURGXFW FRQWDLQV RU HPLWV FKHPLFDOV NQRZQ W...

Страница 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...

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

Страница 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...

Страница 6: ...QRW WRXFK KRW VXUIDFHV HHS PDFKLQH DZD IURP FRPEXVWLEOHV GXULQJ XVH RW VXUIDFHV FRXOG UHVXOW LQ VHYHUH EXUQV RU ILUH 87 21 TXLSPHQW RU SURSHUW GDPDJH R QRW EORFN DLU LQWDNH RU UHVWULFW SURSHU DLU IORZ...

Страница 7: ...G EOLQGQHVV I HOHFWURO WH FRQWDFWV VNLQ RU H HV IOXVK ZLWK ZDWHU DQG VHHN LPPHGLDWH PHGLFDO DWWHQWLRQ 51 1 FFLGHQWDO 6WDUW XS LVFRQQHFW WKH QHJDWLYH EDWWHU FDEOH WKHQ WKH SRVLWLYH EDWWHU FDEOH ZKHQ ZR...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

Страница 31: ...___________________________________________________ __________________________________________________________________________________________ _________________________________________________________...

Страница 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...

Отзывы: