Desa B350D Service Manual

Also see for B350D: Owner's manual Owner's manual Owner's manual

Contents

H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L42S E C T I O NPressure GageINTRODUCTIONArrangement Of ManualThis manual contains information and serv-ice procedures that help the service personunderstand and correct problems on theDESA International High Pressure PortableForced Air Heater. The first part of this manualcontains basic information about the opera-tion of different parts of the heater. Reviewthis information. It provides a basic under-standing of how the parts function in theworking system. The last part of this manualis a troubleshooting section. It provides aquick reference concerning conditions whichmay result in customer complaints. Theseprocedures will help the service personquickly diagnose a malfunctioning heater.The illustrations in this manual may not nec-essarily depict the actual heater model. Theyare intended for reference only.Technical Service DepartmentThe Technical Service Department, locatedin Bowling Green, Kentucky, is committed tohelp increase the service knowledge of thosewho service these heaters. This will enableservice people to provide prompt, efficientservice. This service manual covers the majorproblems that can occur with the heaters.However, as with any product, certain prob-lems can arise which this manual does notcover. If such problems arise, please call theTechnical Service Department at 1-800-323-5190. The Technical Service Department isopen from 8:00 am to 4:00 pm Central Time.This number is only for servicing problemsand cannot be used for ordering parts, billingquestions, etc.Service PreparationA clean work area at the start of each job isessential for efficient service work. Cleanextremely dirty heaters before servicing.Cleaning will sometimes uncover the prob-lem area. Gather tools needed for the jobbefore work is started. Having to locate toolscauses delays that lead to lost time andwages.Always use clean fuel when testing heater.Many problems are often caused by thewrong type of fuel or dirty fuel.Use caution and common sense when work-ing on heater. Always remember:• Kerosene is combustible.• Guard against electrical shock.• Heater parts get hot during operation.Touching these parts can cause severeburns.Tools RequiredIn addition to common hand tools, the serv-ice shop should have the following tools andinstruments to properly repair the heater.These tools and instruments will be referredto throughout this manual.Tool/ PartInstrument Range NumberVolt Ohmmeter RX1/AC 250V *Feeler Gage .001 to .1 inch **Pressure Gage 0-200 PSI M4574Flame Control/Photocell Tester HA1170* Available at most electronic stores.** Available at any auto parts store.CAUTION: OBSERVE SAFETY RULESV- MA01000300100301031000300100301031.1101000100x1x10x100x1Kx10KDCVDMCACOM-ACVTEST5101520253012345869107OFFVolt Ohmmeter.025.0015Feeler Gage