Inspection/Test; Air Conditioning System Inspection; Freon Compressor Inspection; Receiver Dehydrator Inspection - MD Helicopters MD Explorer Servicing And Maintenance

1. Air Conditioning System Inspection

A. Freon Compressor Inspection
(1). Inspect compressor for security. Repair
or replace as necessary.
(2). Inspect compressor for cracks at engine
mount pad attachments. None permit­
ted.
(3). Inspect compressor drive reduction gear
box site glass for proper oil level
(Ref. Section 12-00-00).
B. Receiver Dehydrator Inspection
(1). Inspect receiver dehydrator for service­
able condition. Repair or replace as
necessary.
(2). Inspect receiver dehydrator for corro­
sion. None permitted.
(3). Inspect fittings for evidence of leakage.
None permitted.
C. Evaporator Assembly Inspection
(1). Inspect evaporator for damage of
evaporator fins and tubes. None
permitted.
(2). Inspect for cracks at mount flange.
None permitted.
(3). Inspect fan shroud for cracks, deforma­
tion and deterioration. None permitted.
(4). Inspect for loose or missing hardware.
Repair or replace as necessary.
D. High Pressure Switch Inspection
(1). Inspect high pressure switch for
corrosion. None permitted.
MD Helicopters, Inc.
Rotorcraft Maintenance Manual
AIR CONDITIONING SYSTEM

INSPECTION/TEST

(2). Inspect high pressure switch for
serviceable condition. Repair or replace
as necessary.
E. Low Pressure Switch Inspection
(1). Inspect low pressure switch for corro­
sion. None permitted.
(2). Inspect low pressure switch for service­
able condition. Repair or replace as
necessary.
F. Evaporator Fan Inspection
(1). Inspect evaporator fan for damage at
mount flanges. None permitted.
(2). Inspect for cracks and corrosion. None
permitted.
(3). Inspect for loose or missing hardware.
Repair or replace as necessary.
(4). Inspect V-band clamp for security.
Repair or replace as necessary.
G. Three Way Valve Duct Assembly
Inspection
(1). Inspect three way valve for serviceable
condition and for freedom of operation.
Repair or replace as necessary.
(2). Inspect for loose or missing hardware.
Repair or replace as necessary.
(3). Inspect for cracks, deformation and
deterioration. None permitted.
H. Three Way Valve Control Cable
Inspection
(1). Inspect control cable for serviceable
condition and freedom of operation.
Repair or replace as necessary.
(2). Inspect for loose or missing hardware.
Repair or replace as necessary.
21-50-00
CSP−900RMM−2
Page 601
Revision 8