FORWARD PYLON (LEFT SIDE)

Seq.

No.

Item and Procedure

No.

Item and Procedure

14.5

Hydraulic lines in forward transmission area for leaks,

spring, wire, or other material). A thin bead of grease

chafing, cracked or broken clamps, and proper support.

around the sealing area is considered normal.

14.6

Forward transmission and pressure switch area for

14.12

Drive arms and collar for damage and security of

evidence of leaks, damage, security of components, and

hardware.

Pitch links for chafing, damage, and security. Upper and

loose or missing hardware.

14.13

lower bearings for liner unbonding.

14.7

Visible area of forward transmission oil cooler for leaks,

security, clogged or damaged cores, loose or missing

14.14

Pitch link boots and weather protective cover for condition.

hardware.

14.15

Forward rotary-wing head reservoirs (hub, pitch-varying,

14.8

Upper boost servocylinders for leakage and security. Jam

and vertical pin) for proper oil levels. Entire assembly

sensors for extended warning indicators. Exposed piston

for leaks, security of components, and hardware. Blade

rods for cleanliness.

jumper wires for security, cuts, kinks, or fraying. Sight

14.9

Longitudinal cyclic trim link and actuator for security and

glasses for clarity and signs of metallic particles in

condition. Longitudinal cyclic trim actuator and connector

reservoir. Rotor hub for damage.

for security and condition.

14.16

Inspect horizontal hinge pin bolt P/N 114R2201-1 for

14.10

Longitudinal cyclic trim yoke for security and condition.

broken heads and security by applying hand pressure to

Yoke attaching hardware for security and condition.

the head of the bolt to assure the adhesive is not holding

14.11

Swashplate for signs of damage, overheating, and

the bolt head in place.

accumulation of grease. Using a flashlight or other

14.17

Rotary-wing blade shock absorbers for leaks and proper

suitable light source, visually inspect with a mirror or

oil levels. Exposed portion of piston rods for cleanliness.

flexible borescope the area between the underside of

Vent valves for proper positions. Lockwasher tang for

the rotating ring and stationary ring for any slinging or

engagement in piston slot.

clumping of grease/debris (i.e. seal, bearing cage, seal

"FOD REMINDER"

CHECK WORK AREA FOR TOOLS AND PARTS AFTER COMPLETION OF MAINTENANCE AND INSPECTION.

TM 55-1520-240-PMD

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