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NO. 2 ENGINE AREA (UPPER 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) (Cont)
Seq.
Seq.
No.
Item and Procedure
No.
Item and Procedure
Electrical cables for security, evidence of chafing, and
9.11
10.5
Centrifugal droop stop springs and attaching hardware for
security. Limiter springs for wear and chafing. Droop stop
condition. Electrical connectors for proper installation.
shrouds for security and damage (if installed).
9.12
EAPS attachment brackets for cracks, damage, security,
and condition.
10.6
Check for slipped bushings and cracked pitch housing
lugs.
9.13
Attachment rails for security, cracks, damage, and
cleanliness.
10.7
Rotary-wing blade shock absorbers for leaks and proper
oil levels. Exposed portion of piston rods for cleanliness.
9.14
EAPS air inlet tubes for obstructions, security, and
Vent valves for proper positions. Lockwasher tang for
condition.
engagement in piston slot.
9.15
Bypass door closed and door seal for damage, security,
10.8
and proper sealing.
Rotary-wing blades for damage, cracks, and unbonding.
Trim tabs for cracks, damage, and unbonding. Tip
9.16
EAPS module engine fairing seal for damage, security,
covers for damage and security. Nose cap for damage
and cleanliness.
and unbonding. Shock absorber attachment brackets,
AFT ROTOR AND PYLON AREA (RIGHT SIDE)
including filament windings filler material, for cracks and
10.1
Inspect right work platform door for delamination, cracks,
voids. Check blade root end up to, but not including, first
and security. Latch pins and latch plates (FWD and AFT)
lag damper bracket winding for cracks. Ensure bottom
for wear, cracks, and elongation.
surface of blade root end is not contacting pitch varying
10.2
Anticollision and NVG lights for condition.
housing lug.
Pitch links for chafing, damage, and security. Upper and
10.9
10.3
Formation light for security, damage, and trapped
lower bearings for liner unbonding. Pitch link boots and
moisture.
weather protective cover for condition.
10.4
Aft rotary-wing head reservoirs (hub, pitch-varying, and
vertical pin) for proper oil levels. Entire assembly for leaks
10.10
Drive arms and collar for damage and security of
and security of components and hardware. Blade jumper
hardware.
wires for security, cuts, kinks, or fraying. Sight glasses for
clarity and signs of metallic particles in reservoir. Rotor
hub for damage.
"FOD REMINDER"
CHECK WORK AREA FOR TOOLS AND PARTS AFTER COMPLETION OF MAINTENANCE AND INSPECTION.
TM 55-1520-240-PMD
18  Change 1

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