TM 5-6115-590-12
(2) Visually inspect ejector tube for cracks, bonds and broken welds. Check that wire mesh in the tube is not
torn or clogged. Check for loose rivets.
b.
Replacement. The inflation ejector assembly is replaced by simply disconnecting it.
4-32. Condenser Cooling Fan, Fan Mounting Plate and Shock Mount
a.
Removal (fig. 4-20).
(1) Remove wiring harness connector from fan. Remove four (4) attaching bolts, eight (8) washers and four (4)
nuts. Remove fan and fan mounting plate from power plant.
(2) Remove four (4) attaching bolts, eight (8) washers and four (4) nuts and remove fan from mounting plate.
(3) Remove two (2) attaching bolts, four (4) washers and two (2) nuts from shock mount from power unit.
b.
Inspection. Visually inspect fan assembly for damaged frame, deformed blades, damaged connectors or other
evidence of damage.
c.
Installation.
(1) Install replacement cooling fan in reverse order of removal procedure.
(2) Reconnect wiring harness connector to fan.
4-33. Recirculating Air Fan and Shroud Assembly
a.
Removal (fig. 4-20).
(1) Remove wiring harness connector from recirculating fan. Remove three bolts and washers attaching fan to
shroud assembly and remove fan from power unit.
(2) Remove 52 attaching bolts and washers from shroud assembly, separate from evaporator and remove
from power unit.
b.
Inspection. Visually inspect fan assembly for damaged frame, deformed blades, damaged connectors or other
evidence of damage.
c.
Installation.
(1) Install replacement recirculating fan assembly and shroud in reverse order of removal procedure.
(2) Reconnect wiring harness to fan.
Section IX. Maintenance of Power Plant Electrical Installation
4-34. Instrument Panel Assembly
WARNING
The power plant shall not be operating when maintenance on electrical components is being performed,
and the power plant shall not be connected to another power unit that is operating.
NOTE
When accees for the removal of individual components is desired, extend the upper part of the panel
outward with the lower part of the panel resting on the lower receseed edge of the panel frame without a
strain on the wiring harness. Reference designations for parts given in the following text are marked on
the back of the instrument panel and shows on the diagram.
a. Wiring Harness
(1) Removal (fig. 4-21).
(a) Tag and remove wiring harness electrical leads to components.
(b) Remove hardware, items 1 through 10 and 58 through 62 to remove wire harness and connectors (6, 10,
60).
(2) Cleaning and Inspection.
(a) Clean wiring harness with filtered compressed air and an electrician's brush or wipe with a clean rag lightly
moistened with an approved cleaning solvent.
(b) Visually inspect wiring harness for burned, bent, loose, corroded, and otherwise damaged connector pins
and terminals. Inspect wiring for breaks, burned, chafed, or deteriorated insulation and other obvious damage.
(3) Installation. Install wiring harness in reverse order of removal procedures.
b. DC Ammeter (M2).
(1) Removal.
(a) If wiring harness has not been removed, tag and disconnect electrical leads to DC ammeter (56).
(b) Remove hardware (54,55,68,64), then remove DC ammeter and meter gasket (57).
(2) Cleaning and Inspection.
(a) Clean DC ammeter with filtered compressed air and an electrician's brush or wipe with a clean rag lightly
moistened with an approved cleaning solvent.
(b) Visually inspect DC ammeter for corrosion, cracked case or glass, damaged threads and other evidence of
damage.
(3) Installation. Install DC ammeter in reverse order of removal procedures.
c. 400 Hz Frequency Meter (MS).
(1) Removal.
(a) If wiring harness has not been removed, tag and disconnect electrical leads to 400 Hz frequency meter
(50).
(b) Remove hardware (12,13,48,49), then remove 400 Hz frequency meter and gasket (51).
4-48
