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NO. 1 ENGINE AREA (LOWER SECTION)
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TM-55-1520-240-PMD CH-47D Helicopter Manual
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NO.2 ENGINE AREA (LOWER SECTION)
Seq .
Seq.
No.
Item and Procedure
No.
Item and Procedur e
7.4
Lines and hoses throughout the area for leaks, chafing, and
7.11
NVG light for condition.
security, including quick disconnect shelf.
NOTE
7.5
Engine area and accessories for leaks, damage, and security.
If EAPS is installed, perfor m the following inspections with
On helicopters (Without 7 4 ), refer to TM 55-2840-254-23 for
EAPS module slid forward, away from engine.
allowable leakage. On helicopters (With 74 ), refer to TM
7.12
EAPS drive shaft cowling seal for security and condition.
1-2840-265-23.
7.13
7.6
Scavenge duct for obstructions, damage, and condition.
Engine oil tank for specified level. Do not overfill.
7.14
Scavenge fan impellers for visible damage, cracks, and
NOTE
obstructions.
If the engine has been shut down for more than 30 minutes
and the oil level is low, operate the engine to ver ify oil level
7.15
Electrical cables for security, evidence of chafing, and condition.
before servicing.
Electrical connectors for proper installation.
7.7
Fire detection system sensing elements throughout the area for
7.16
EAPS attachment brackets for cracks, damage, security, and
chafing, damage, and security.
condition.
7.8
Main oil filter bypass indicator for extension. If extended
7.17
Attachment rails for security, cracks, damage, and cleanliness.
perform corrective action, on helicopters (Without 74 ), IAW
TM 55-2840-254-23. On helicopters (With 74 ), IAW TM
7.18
EAPS air inlet tubes for obstr uctions, security, and condition.
1-2840-265-23.
7.19
Bypass door closed and door seal for damage, security, and
7.9
Forward outboard and aft engine mount and drag link for
proper sealing.
condition.
7.20
EAPS module engine fairing seal for damage, security, and
7.10
Engine cowling for security, closed and latched.
cleanliness.
"FOD REMINDER"
Check wo rk area for tools and par ts after completion o f maintenance and insp ection.
TM 55-1520-240-PMD
15

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