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NO.2 ENGINE AREA (LOWER SECTION)
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TM-55-1520-240-PMD CH-47D Helicopter Manual
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AFT ROTOR AND PYLON AREA (RIGHT SIDE)
Seq.
Seq.
No.
Item and Procedure
No.
Item and Procedure
Main fuel filter bypass indicator for extension. If bypass
8.16
9.2
EAPS air inlet tubes for obstructions, security and
condition.
has occurred, inspect for contaminated fuel system. On
helicopters (Without 74.), refer to TM 55-2840-254-23.
8.17
EAPS module engine fairing seal for damage, security,
On helicopters (With 74.), refer to TM 1-2840-265-23.
and cleanliness.
Lines and hoses throughout the area for leaks, chafing,
9.3
NO. 2 ENGINE AREA (UPPER SECTION)
and security.
9.4
Engine area and accessories for leaks, damage, and
NOTE
security.
With engine air particle separators (EAPS) in-
9.5
Fire detection system sensing elements throughout the
stalled, it is not necessary to inspect the engine
area for chafing, damage, and security.
air inlet nor is it necessary to open the engine
9.6
Forward inboard mount for condition.
cowling during the daily inspection. Use a flash-
9.7
Tailpipe, exhaust diffuser, inner cone, and power turbine
light and inspect through the openings in the
for cracks, hot spots, and burned areas. Tailpipe for
engine cowling. All filter buttons are visible using
security and for presence of fuel, oil, or foreign objects.
a flashlight. It is only necessary to slide EAPS
forward every 25 flight hours or whenever there
9.8
Upper engine cowling for security, closed and latched.
is a suspected compressor stall, surge, signs of
oil coming from inlet, or if other non-scheduled or
NOTE
scheduled maintenance is required.
If EAPS is installed, perform the following inspec-
Engine oil tank for specified level. Do not overfill.
9.1
tions with EAPS module slid forward, away from
engine.
NOTE
9.9
EAPS drive shaft cowling seal for security and condition.
If the engine has been shut down for more than
9.10
Scavenge fan impellers for visible damage, cracks, and
30 minutes and the oil level is low, operate the
obstructions.
engine to verify oil level before servicing.
"FOD REMINDER"
CHECK WORK AREA FOR TOOLS AND PARTS AFTER COMPLETION OF MAINTENANCE AND INSPECTION.
TM 55-1520-240-PMD
17

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