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Page Title:
Table A-2. Excessive Copper Wear |
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 NAVAIR 17-15-50.3
TM 38-301-3
T.O. 33-1-37-3
CGTO 33-1-37-3
Hours (since new
Cu (PPM)
Action
bushing)
≤ 100
≤ 200
No maintenance required
≤ 100
> 200
Drain, refill. Sample @ 25 hours
>100 & ≤ 200
≤ 100
No maintenance required
>100 & ≤ 200
> 100
Drain, refill @ 200 hrs since new
bushing
> 200
≤ 75
No maintenance required
> 200
> 75*
Perform dimensional inspection of
bushing
* for two consecutive 60-hour samples
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