TM 5-4520-253-13
Subject, Page
H
Subject, Page
M
Harness Plug, Control Box, 3-46
Harness Receptacle and Plug,
PC Board Assembly, 4-26.1
Harness Wires, Control Box, 3-51
Harness, Wiring, Control Box, 3-45
HEAT and FAULT Lights, 3-58
Heat Exchanger, 4-67,4-72
Heater, 3-20
Adjustment, 3-9
Location, 3-6
Mounted Position of, 3-3
Operation, 3-22
Preliminary Servicing, 3-9
Heater Case, 3-16,4-33,4-35
Heater Case Assembly, 3-66
HEATER-OFF-FAN Switch, 3-55
Heater Operating Principles, 1-5
Heating Mode, Operation in, 2-4
High Altitudes, Operation at, 2-10
Humid Conditions, Operation Under, 2-10
I
Igniter Assembly, 3-117
Ignition Transformer and Cable, 3-110
Indicators, Operator, 2-1
Information Plates, 2-6
Inspection
of Equipment Upon Receipt, 3-2
(See Specific Items)
Installation
Heater, 3-7
(See Specific Items)
Insulator, Shield, 4-37
Intermediate Maintenance Instructions, 4-1
Inverted Mounting, 3-4
Items Required, Additional, 3-5
L
Labels, 3-84
Left Side Mounting, 3-3
Lights, HEAT and FAULT, 3-58
Louver Linkage, 3-71
Location of
Heater, 3-6
Major Components, 1-3
Louvers, 3-1
Lubrication Instructions, 3-1
Index 2 Change 2
Maintenance Forms and Records, 1-1
Maintenance Procedures, Unit, 3-36
Motor
Blower, 4-47,4-51
Ventilating Air, 3-102,4-53,4-58
Mounting of Heater
Inverted, 3-4
Left Side, 3-3
Right Side, 3-4
N
Nomenclature Cross-Reference List, 1-2
O
Operating Instructions, 2-1
operating Principles, Heater, 1-5
Operating Procedures, 2-3
Operation
at High Attitudes, 2-10
Heater, 3-22
in Extreme Cold, Below 10°F (–12°C), 2-10
in Fan Mode, 2-5
in Heating Mode, 2-4
of Auxiliary Equipment, 2-5
Under Rainy or Humid Conditions, 2-10
Under Unusual Conditions, 2-10
Under Usual Conditions, 2-2
Operator Controls and Indicators, 2-1
P
Packaging, 3-128
Painted Surfaces, 4-39
PC Board Assembly, 4-12, 4-26.4
Harness Receptacle and Plug, 4-26.1
Wiring Receptacle, 4-21
Wiring Terminals, 4-24
Plates
Data, 3-80
Information, 2-6
Plugs, Room Thermostat, 3-124
Power, Fuel Pump, and Room
Thermostat Plugs, 3-124
Power Receptacle and External Fuel
Pump Receptacle, 3-60
Preliminary Servicing of Heater, 3-9
U.S. GOVERNMENT PRINTING OFFICE 1990/754-029/20038
