PS Magazine - APRIL 1977

PS Magazine - APRIL 1977 - Page 24 of 35

I i

The Huey and Cobra tail rotor siLent

chain is kickin' up a ruckus, birdmen,

sO inspect the chain for cracks more

OFten.

Ch 25 (May 76) to TM 55-1520-

2±0²20 now caLLs for a cLOse looK at the

instalLed chain every 10 fLight hours³

Use a suitabLe light, with at Least a

pOwer magnifying gLass´ This is a

special check that you don't do at the

same

time

the

preventive

(PMS) inspec²

'NOT-SO-SILENt±

CHAiN,

µCourse, the PMS cards calL for the

removal

and inspectiOn of aLl siLent

chains for cracks every Periodi¶· If

your bird has a darK chain, P /N 205-

00±-72±-±, NSN 16±5¸00-172¹4508

(made before JuLy 197 4) it aLso Gets the

big Look every ºnd Intermediate in»

spection¼

Hang in there, mechs, with those

special and PMS checks!

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