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 L
2
T A B L E
O F
C O N T E N T S
Section 1 - Safety Information ................................................................................. 3
Section 2 - Introduction
Arrangement of Manual ...................................................................................... 4
Technical Service Department ........................................................................... 4
Service Preparation ............................................................................................ 4
Tools Required ................................................................................................... 4
Section 3 - General Specifications and Applications Information
Fuel Section ....................................................................................................... 5
Electrical ............................................................................................................. 5
Ventilation .......................................................................................................... 5
Heater Sizing ...................................................................................................... 5
Heater Performance Specifications .................................................................... 6
Wiring Diagrams ................................................................................................. 6
Section 4 - Component Operation
All Systems Working Together ........................................................................... 8
Fuel System ....................................................................................................... 8
Fuel Pump ...................................................................................................... 8
Fuel Filters ..................................................................................................... 9
Nozzle ............................................................................................................ 9
Electrical System ................................................................................................ 10
Motor .............................................................................................................. 10
Flame Control Assembly ................................................................................ 10
Ignition Transformer ....................................................................................... 11
Fuel Solenoid Valve ....................................................................................... 11
Fan Switch ..................................................................................................... 11
Section 5 - Troubleshooting
Safety Requirements ......................................................................................... 12
Using an Ohmmeter ........................................................................................... 12
Setting Up the Ohmmeter .................................................................................. 12
Calibrating the Ohmmeter .................................................................................. 12
Diagnostic Information ....................................................................................... 12
Problem Conditions
Frequent Spark Plug Fouling/Delayed Ignition .............................................. 13
Spark Plug Sparks, but Motor Does Not Start ............................................... 14
Motor Starts, but Heater Will Not Ignite ......................................................... 15
Heater Ignites, and Flame Is Established, However, Flame Control Trips,
and Heater Shuts Off ................................................................................. 18
Heater Does Not Start. Motor and Transformer Do Not Operate ................... 21
Carbon Build-Up Inside Combustion Chamber .............................................. 22
Section 6 - Accessories and Service Information .................................................... 23
