TM 9-4520-258-14
5-7. FRAME ASSEMBLY.
This task consists of:
a.
Disassembly
b.
Inspection
c.
Repair
d.
Assembly
INITIAL SETUP:
Tools:
Tool Kit, General Mechanics (Item 3, App B)
Equipment Condition:
Shop Set Automotive, Vehicle (Item 4, App B)
Exhaust pipe removed (para 4-14)
Riveter Blind (Item 5, App B)
Duct assembly removed (para 4-15)
Welding Shop (Item 6, App B)
Remote control thermostat removed (para 4-16)
Rivnut Tool (Item 7, App B)
Control box cover removed (para 4-18)
Rivnut Tool (Item 9, App B)
Top panel removed (para 4-19)
Rear panel removed (para 4-20)
Personnel:
Door assemblies removed (para 4-21)
Two persons.
Duct covers removed (para 4-22)
Supply and return air screens removed (para 4-
Material/Parts:
23)
Gasket (Item 33, App H)
Fuel pressure gage removed (para 4-25)
Lockwashers (Item 1, App H)
Combustor control relay removed (para 4-26)
Rivet (Item 31, App H)
Air pressure switch removed (para 4-27)
Rivet (Item 18, App H)
Thermostat assembly removed (para 4-28)
Packing, Preformed (Item 34, App H)
Combustor fan assembly removed (para 4-29)
Backup plate (Item 60, App F)
Fuel pump and solenoids removed (para 4-30)
Circulating air fan and motor removed (para 4-31,
General Safety Requirements:
5-4)
WARNING
Transformer removed (para 4-32)
Burner assembly removed (para 4-33)
Contact with hot components can cause burns.
Heat exchanger removed (para 4-34, 5-6)
Allow unit to cool down before attempting
Fuel tank assembly removed (para 4-35)
service/inspection/maintenance activity.
Power cable assembly removed (para 4-36)
Jack assembly removed (para 4-37)
Wheel assembly removed (para 4-38)
Damper assembly removed (para 4-39)
Frame assembly (para 4-40)
Control box assembly removed (para 5-3)
5-36
