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DataBases updated: Mar 6th, 2026
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Maintenance & Overhaul Manuals
NameRevisionLangSubjectDate
en Business and Utility Aircraft Heaters9/30/1981
Maintenance Manuals
NameRevisionLangSubjectDate
A en Heater Combustion Air Blower Assembly1/2/2024
A en Combustion Heater I-Series (I-1500, I-2500, I-3500, I-5000)12/8/2025
Modification Instructions
NameRevisionLangSubjectDate
en Ignition Assemblies for Aircraft Heaters3/1/1982
en Engine Air - Check Valve - Spring Replacement3/31/1982
en Converting 38D84 Valve to F38D84 Using PN 01E64-1 Conversion Kit7/31/1975
en Flow Control Valve Assembly PN C38D849/30/1970
Owner's Manuals
NameRevisionLangSubjectDate
en Modified Meggitt/South Wind Heater 8240-A, 8240-C, 8240-E, 8259-A, 8259-C, 8259-DL, 8259-FL1, 8259-GL1, 8259-GL2, 8259-HL1, 8259-HL2, 8259-L, 8259-HR2, 8259-JR2, 8259-M, 8472-C, 8472-D, 8472-E8/25/2017
Service Bulletins
NameRevisionLangSubjectDate
en P/N 39D18 Spark Plugs6/1/1980
en B-Series Heaters8/31/1994
en B-Series Aircraft Heaters 42D36 Combustion Air Pressure Switch8/31/1995
A en B-Series Aircraft Heaters 42D36 Combustion Air Pressure Switch1/31/1998
en B-Series Aircraft Heaters Combustion Air & Ventilation Air Blower Motors3/14/2001
en Recommended Time Between Overhaul (TBO) Period and Service Intervals for Extended Life (EL) Janitrol Heaters8/12/1999
A en Alert Inspection of Fuel Regulator Shutoff Valve as Used with Kelly Aerospace Combustion Heaters B1500-B45009/6/2002
Service Information Letters
NameRevisionLangSubjectDate
A en Recommended Service/Inspection for 91E93-1 & 91E92-1 Heater Fuel Pump3/6/2003
Service Letters
NameRevisionLangSubjectDate
B en B-Series Heaters8/31/1997
Miscellaneous
NameRevisionLangSubjectDate
en Availability of Manuals & Test Kits for Heaters
en Weight and Balance/Equipment List Revision11/30/2022