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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:
F110-GE-400
AIRCRAFT:
(F-14B) (F-14D)
JOAP ATOMIC EMISSION ROTRODE
Fe
Ag
Al
Cr
Cu
Zn
Ni
Ti
Mo
Abnormal Trend
(PPM Increase
3
2
2
2
4
2
2
2
2
in 10 hrs)
Normal Range
0-8
0-3
0-3
0-6
0-12
0-2
0-5
0-5
0-2
Marginal Range
9-11
4-5
4-5
7-8
13-16
3
6-7
6-7
3
High Range
12-13
6
6
9
17-19
4
8
8
4
Abnormal
14+
7+
7+
10+
20+
5+
9+
9+
5+
Average Concentration Other Elements:
Fe
&
Cr V
Mo
Typical all main engine, accessory gearbox and inlet gearbox bearing races and
balls/rollers
Fe
&
Ni Ag
All main engine, accessory gearbox and inlet gearbox bearing cages
Fe
&
Ni Cr
Gear/gearshafts in accessory gearbox and inlet gearbox; aft lube/scavenge pump
coupling shaft
Al
Accessory gearbox housing, alternator stator housing
Cr
May be used on some bearing journals during rework - required on LP shaft
journals for Nos. 4 and 5 bearing and on HP shaft bore for No. 4 outer ring
Fe
&
Cr Ni
Cu
Frame lab seals, rotating lab seals and inlet gearbox housing
Fe
&
Cr
Carbon seal housings
Fe
Seal races
Ti
Fan frame, sump housings (fwd and mid), fan and HPC shafts, No. 3 rotating air
seal
Ni
&
Cr Fe
Turbine frame and LPT shaft
Fe
&
Cu
Hydraulic pump piston, lube and scavenge pump, A8 actuators
Cu
&
Zn
Boost pump bearings
Fe
&
Cr Mo Ni
Augmentor fuel pump
Fe
&
Cr Ni
Alternator rotor hub
Fe
&
Si
Alternator core laminations
Si
Hydraulic pump torque motor servo valve
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