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 NAVAIR 17-15-50.3
TM 38-301-3
T.O. 33-1-37-3
CGTO 33-1-37-3
ENGINE:
T58-GE-3/-8/-10
AIRCRAFT:
(H-1)
JOAP ATOMIC EMISSION ROTRODE
Fe
Ag
Al
Cr
Cu
Mg
Abnormal Trend
(PPM Increase
8
2
4
2
4
3
in 10 hrs)
Normal Range
0-26
0-2
0-10
0-3
0-10
0-8
Marginal Range
27-32
N/A
11-12
N/A
11-12
9
High Range
33-39
3
13-14
4
13-14
10-11
Abnormal
40+
4+
15+
5+
15+
12+
Average Concentration Other Elements:
Ni=1
Pb=3
Si=5
Sn=8
Ti=2
Mo=1
Fe
&
Cr
Accessory bearing outer race
No. 3 bearing outer race
No. 5 bearing outer race
Fe
&
Cr
Ni
Nos. 2 and 4 bearing outer race
No. 4 bearing outer race
Nos. 2, 4 and 5 bearing outer race
Fe
Al
&
Cr
Ni
Power turbine forward seal
No. 2 sump forward seal
No. 2 sump seals
Al
Lube pump
Cr
No. 1 sump mating ring
Cu
Accessory bearing cages
Power turbine right angle drive worm gears
Cu
&
Ag
Main engine bearing cages
No. 3 sump static seal
No. 2 sump rear seal
Pb
Speed decreaser gearbox (SDG) forward and aft
high speed and idler gear sleeve bearing
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